1
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Cen S, Li SS, Zhao Y, Zhao MX, Zhang Z. Catalytic Asymmetric Synthesis of Unnatural Axially Chiral Biaryl δ-Amino Acid Derivatives via a Chiral Phenanthroline-Potassium Catalyst-Enabled Dynamic Kinetic Resolution. Angew Chem Int Ed Engl 2024; 63:e202407920. [PMID: 38877853 DOI: 10.1002/anie.202407920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Indexed: 07/31/2024]
Abstract
Axially chiral biaryl δ-amino acids possess significantly different conformational properties and chiral environment from centrally chiral amino acids, therefore, have drawn considerable attention in the fields of synthetic and medicinal chemistry. Herein, a novel chiral phenanthroline-potassium catalyst has been developed by constructing a well-organized axially chiral ligand composed of one 1,10-phenanthroline unit and two axially chiral 1,1'-bi-2-naphthol (BINOL) units. In the presence of this catalyst, good to excellent yields and enantioselectivities (up to 99 % yield, 98 : 2 er) have been achieved in the ring-opening alcoholytic dynamic kinetic resolution of a variety of biaryl lactams, thereby providing an efficient protocol for catalytic asymmetric synthesis of unnatural axially chiral biaryl δ-amino acid derivatives.
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Affiliation(s)
- Shouyi Cen
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, Shanghai, 200237, China
| | - Shan-Shan Li
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, Shanghai, 200237, China
| | - Yin Zhao
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, Shanghai, 200237, China
| | - Mei-Xin Zhao
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, Shanghai, 200237, China
| | - Zhipeng Zhang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, Shanghai, 200237, China
- Shanghai Frontiers Science Center of Biomimetic Catalysis, Shanghai Normal University, Shanghai, 200234, China
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2
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Wei Z, Zhao Y, Wang T, Li J, Yuan W, Wei L, Yang X. Bridged Biaryl Atropisomers by Organocatalyzed Kinetic Asymmetric Alcoholysis. Org Lett 2024; 26:7110-7115. [PMID: 39150722 DOI: 10.1021/acs.orglett.4c02345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/17/2024]
Abstract
We disclose herein an asymmetric synthesis of axially chiral oxazepine-containing bridged biaryls via CPA-catalyzed kinetic asymmetric alcoholysis. Control experiments showed that this CPA-catalyzed alcoholysis was reversible, and lowering the reaction temperature could almost suppress the reversible reaction, thus providing a series of axially chiral oxazepine-containing bridged biaryl compounds in good to excellent enantioselectivities. The gram-scale reactions and facile derivatizations of the enantioenriched products demonstrate the practical utility of this reaction.
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Affiliation(s)
- Zhikang Wei
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine (Ministry of Education of China), Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Yi Zhao
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine (Ministry of Education of China), Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Tianyi Wang
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine (Ministry of Education of China), Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Jiaomeng Li
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine (Ministry of Education of China), Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Wei Yuan
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine (Ministry of Education of China), Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Liwen Wei
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine (Ministry of Education of China), Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Xing Yang
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine (Ministry of Education of China), Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
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3
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Feng J, Xi LL, Lu CJ, Liu RR. Transition-metal-catalyzed enantioselective C-N cross-coupling. Chem Soc Rev 2024. [PMID: 39171573 DOI: 10.1039/d4cs00102h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/23/2024]
Abstract
Chiral amine scaffolds are among the most important building blocks in natural products, drug molecules, and functional materials, which have prompted chemists to focus more on their synthesis. Among the accomplishments in chiral amine synthesis, transition-metal-catalyzed enantioselective C-N cross-coupling is considered one of the most efficient protocols. This approach combines traditional C(sp2)-N cross-coupling methods (such as the Buchwald-Hartwig reaction Ullmann-type reaction, and Chan-Evans-Lam reaction), aryliodonium salt chemistry and radical chemistry, providing an attractive pathway to a wide range of structurally diverse chiral amines with high enantioselectivity. This review summarizes the established protocols and offers a comprehensive outlook on the promising enantioselective C-N cross-coupling reaction.
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Affiliation(s)
- Jia Feng
- College of Chemistry and Chemical Engineering, Qingdao University, Ningxia Road 308#, Qingdao 266071, China.
| | - Long-Long Xi
- College of Chemistry and Chemical Engineering, Qingdao University, Ningxia Road 308#, Qingdao 266071, China.
| | - Chuan-Jun Lu
- College of Chemistry and Chemical Engineering, Qingdao University, Ningxia Road 308#, Qingdao 266071, China.
| | - Ren-Rong Liu
- College of Chemistry and Chemical Engineering, Qingdao University, Ningxia Road 308#, Qingdao 266071, China.
- Key Laboratory of Shandong Provincial Universities for Functional Molecules and Materials, Qingdao University, Qingdao 266071, China
- College of Pharmaceutical Sciences, Guizhou University, Guiyang, 550025, China
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4
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Sun T, Guo L, Li Q, Cao ZC. Nickel-Catalyzed Chemoselective Carbomagnesiation for Atroposelective Ring-Opening Difunctionalization. Angew Chem Int Ed Engl 2024; 63:e202401756. [PMID: 38651647 DOI: 10.1002/anie.202401756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 04/15/2024] [Accepted: 04/23/2024] [Indexed: 04/25/2024]
Abstract
There is a pressing need for methods that can connect enantioenriched organic compounds with readily accessible building blocks via asymmetric functionalization of unreactive chemical bonds in organic synthesis and medicinal chemistry. Herein, the asymmetric chemoselective cleavage of two unactivated C(Ar)-O bonds in the same molecule is disclosed for the first time through an unusual nickel-catalyzed carbomagnesiation. This reaction facilitates the evolution of a novel atroposelective ring-opening difunctionalization. Utilizing readily available dibenzo bicyclic substrates, diverse valuable axially chiral biaryls are furnished with high efficiencies. Synthetic elaborations showcase the application potential of this method. The features of this method include good atom-economy, multiple roles of the nucleophile, and a simple catalytic system that enables the precise magnesiation of an α-C(Ar)-O bond and arylation of a β-C(Ar)-O bond.
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Affiliation(s)
- Tingting Sun
- Anhui Province Engineering Laboratory for Green Pesticide Development and Application, Anhui Agricultural University, No. 130, Changjiangxilu, Hefei, Anhui, China, 230036
| | - Linchao Guo
- Anhui Province Engineering Laboratory for Green Pesticide Development and Application, Anhui Agricultural University, No. 130, Changjiangxilu, Hefei, Anhui, China, 230036
| | - Qi Li
- Anhui Province Engineering Laboratory for Green Pesticide Development and Application, Anhui Agricultural University, No. 130, Changjiangxilu, Hefei, Anhui, China, 230036
| | - Zhi-Chao Cao
- Anhui Province Engineering Laboratory for Green Pesticide Development and Application, Anhui Agricultural University, No. 130, Changjiangxilu, Hefei, Anhui, China, 230036
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5
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Schmidt TA, Hutskalova V, Sparr C. Atroposelective catalysis. Nat Rev Chem 2024; 8:497-517. [PMID: 38890539 DOI: 10.1038/s41570-024-00618-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/13/2024] [Indexed: 06/20/2024]
Abstract
Atropisomeric compounds-stereoisomers that arise from the restricted rotation about a single bond-have attracted widespread attention in recent years due to their immense potential for applications in a variety of fields, including medicinal chemistry, catalysis and molecular nanoscience. This increased interest led to the invention of new molecular motors, the incorporation of atropisomers into drug discovery programmes and a wide range of novel atroposelective reactions, including those that simultaneously control multiple stereogenic axes. A diverse set of synthetic methodologies, which can be grouped into desymmetrizations, (dynamic) kinetic resolutions, cross-coupling reactions and de novo ring formations, is available for the catalyst-controlled stereoselective synthesis of various atropisomer classes. In this Review, we generalize the concepts for the catalyst-controlled stereoselective synthesis of atropisomers within these categories with an emphasis on recent advancements and underdeveloped atropisomeric scaffolds beyond stereogenic C(sp2)-C(sp2) axes. We also discuss more complex systems with multiple stereogenic axes or higher-order stereogenicity.
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Affiliation(s)
- Tanno A Schmidt
- Department of Chemistry, University of Basel, Basel, Switzerland
| | | | - Christof Sparr
- Department of Chemistry, University of Basel, Basel, Switzerland.
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6
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De Abreu M, Rogge T, Lanzi M, Saiegh TJ, Houk KN, Wencel-Delord J. Cyclic Diaryl λ 3-Bromanes as a Precursor for Regiodivergent Alkynylation Reactions. Angew Chem Int Ed Engl 2024; 63:e202319960. [PMID: 38375976 DOI: 10.1002/anie.202319960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 02/10/2024] [Accepted: 02/12/2024] [Indexed: 02/21/2024]
Abstract
Regiodivergent reactions are a fascinating tool to rapidly access molecular diversity while using identical coupling partners. We have developed a new approach for regiodivergent synthesis using the dual character of hypervalent bromines. In addition to the recently reported reactivity of hypervalent bromines as aryne precursors, the first transition metal-catalyzed reaction is reported. Accordingly, the development of these two complementary transformations allows for the alteration of regioselectivity to furnish both ortho- and meta-substituted alkynylation products. Mechanistic and computational studies show how these selectivities are controlled.
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Affiliation(s)
- Maxime De Abreu
- Laboratoire d'Innovation Moléculaire et Applications (UMR CNRS 7042), Université de Strasbourg/Université de Haute Alsace, ECPM 25 rue Becquerel, 67087, Strasbourg, France
| | - Torben Rogge
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California, 90095-1569, USA
| | - Matteo Lanzi
- Laboratoire d'Innovation Moléculaire et Applications (UMR CNRS 7042), Université de Strasbourg/Université de Haute Alsace, ECPM 25 rue Becquerel, 67087, Strasbourg, France
| | - Tomas J Saiegh
- Laboratoire d'Innovation Moléculaire et Applications (UMR CNRS 7042), Université de Strasbourg/Université de Haute Alsace, ECPM 25 rue Becquerel, 67087, Strasbourg, France
| | - Kendall N Houk
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California, 90095-1569, USA
| | - Joanna Wencel-Delord
- Laboratoire d'Innovation Moléculaire et Applications (UMR CNRS 7042), Université de Strasbourg/Université de Haute Alsace, ECPM 25 rue Becquerel, 67087, Strasbourg, France
- Institute of Organic Chemistry, JMU Würzburg, Am Hubland, Würzburg, Germany
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7
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Wei L, Li J, Zhao Y, Zhou Q, Wei Z, Chen Y, Zhang X, Yang X. Chiral Phosphoric Acid Catalyzed Asymmetric Hydrolysis of Biaryl Oxazepines for the Synthesis of Axially Chiral Biaryl Amino Phenol Derivatives. Angew Chem Int Ed Engl 2023; 62:e202306864. [PMID: 37338333 DOI: 10.1002/anie.202306864] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 06/20/2023] [Accepted: 06/20/2023] [Indexed: 06/21/2023]
Abstract
The development of catalytic asymmetric reaction with water as the reactant is challenging due to the reactivity- and stereoselectivity-control issues resulted from the low nucleophilicity and the small size of water. We disclose herein a chiral phosphoric acid (CPA) catalyzed atroposelective ring-opening reaction of biaryl oxazepines with water. A series of biaryl oxazepines undergo the CPA catalyzed asymmetric hydrolysis in a highly enantioselective manner. The key for the success of this reaction is the use of a new SPINOL-derived CPA catalyst and the high reactivity of biaryl oxazepine substrates towards water under acidic conditions. Density functional theory calculations suggest that the reaction proceeds via a dynamic kinetic resolution pathway and the CPA catalyzed addition of water to the imine group is both enantio- and rate-determining.
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Affiliation(s)
- Liwen Wei
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine (Ministry of Educational of China), Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, 410081, P. R. China
| | - Jiaomeng Li
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine (Ministry of Educational of China), Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, 410081, P. R. China
| | - Yi Zhao
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine (Ministry of Educational of China), Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, 410081, P. R. China
| | - Qinglong Zhou
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine (Ministry of Educational of China), Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, 410081, P. R. China
| | - Zhikang Wei
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine (Ministry of Educational of China), Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, 410081, P. R. China
| | - Yuhang Chen
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine (Ministry of Educational of China), Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, 410081, P. R. China
| | - Xinglong Zhang
- Institute of High Performance Computing, Agency for Science, Technology and Research (A*STAR), Singapore, 138632, Singapore
| | - Xing Yang
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine (Ministry of Educational of China), Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, 410081, P. R. China
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8
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Roos CB, Chiang CH, Murray LAM, Yang D, Schulert L, Narayan ARH. Stereodynamic Strategies to Induce and Enrich Chirality of Atropisomers at a Late Stage. Chem Rev 2023; 123:10641-10727. [PMID: 37639323 DOI: 10.1021/acs.chemrev.3c00327] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Enantiomers, where chirality arises from restricted rotation around a single bond, are atropisomers. Due to the unique nature of the origins of their chirality, synthetic strategies to access these compounds in an enantioselective manner differ from those used to prepare enantioenriched compounds containing point chirality arising from an unsymmetrically substituted carbon center. In particular stereodynamic transformations, such as dynamic kinetic resolutions, thermodynamic dynamic resolutions, and deracemizations, which rely on the ability to racemize or interconvert enantiomers, are a promising set of transformations to prepare optically pure compounds in the late stage of a synthetic sequence. Translation of these synthetic approaches from compounds with point chirality to atropisomers requires an expanded toolbox for epimerization/racemization and provides an opportunity to develop a new conceptual framework for the enantioselective synthesis of these compounds.
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9
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Singhal R, Choudhary SP, Malik B, Pilania M. Cyclic diaryliodonium salts: applications and overview. Org Biomol Chem 2023; 21:4358-4378. [PMID: 37161758 DOI: 10.1039/d3ob00134b] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Owing to the recent renewed interest and groundbreaking advances in hypervalent chemistry, cyclic diaryliodonium salts have had a myriad of unique applications in the past decade. Their numerous properties, such as an efficient dual arylation mechanism, straightforward one-pot synthesis compatibility, wide substrate scope, and functionalization tolerance, have made them appropriate starting materials for many bioactive compounds. Fluorenes, thiophenes, carbazoles, phenanthrenes, and many other useful cyclic bioactive molecules that are essential for pharmaceutical synthesis can be readily accessed from cyclic diaryliodonium salts. Particular focus has been given to the high optical activity and good enantiomeric excess of the products that facilitate the easy formation of many difficult-to-obtain optical isomers, such as atropisomers. This review aims to compile and summarize all the recent advances in synthesizing methodologies to prepare the important compounds where cyclic diaryliodonium salt is an integral part of the methodologies and would hopefully provide a good foundation for further research on this topic.
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Affiliation(s)
- Rakshanda Singhal
- Department of Chemistry, Manipal University Jaipur, Jaipur, VPO-Dehmi-Kalan, Off Jaipur-Ajmer Express Way, Jaipur, Rajasthan, 303007, India.
| | - Satya Prakash Choudhary
- Department of Chemistry, Manipal University Jaipur, Jaipur, VPO-Dehmi-Kalan, Off Jaipur-Ajmer Express Way, Jaipur, Rajasthan, 303007, India.
| | - Babita Malik
- Department of Chemistry, Manipal University Jaipur, Jaipur, VPO-Dehmi-Kalan, Off Jaipur-Ajmer Express Way, Jaipur, Rajasthan, 303007, India.
| | - Meenakshi Pilania
- Department of Chemistry, Manipal University Jaipur, Jaipur, VPO-Dehmi-Kalan, Off Jaipur-Ajmer Express Way, Jaipur, Rajasthan, 303007, India.
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10
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Peng X, Rahim A, Peng W, Jiang F, Gu Z, Wen S. Recent Progress in Cyclic Aryliodonium Chemistry: Syntheses and Applications. Chem Rev 2023; 123:1364-1416. [PMID: 36649301 PMCID: PMC9951228 DOI: 10.1021/acs.chemrev.2c00591] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Indexed: 01/18/2023]
Abstract
Hypervalent aryliodoumiums are intensively investigated as arylating agents. They are excellent surrogates to aryl halides, and moreover they exhibit better reactivity, which allows the corresponding arylation reactions to be performed under mild conditions. In the past decades, acyclic aryliodoniums are widely explored as arylation agents. However, the unmet need for acyclic aryliodoniums is the improvement of their notoriously low reaction economy because the coproduced aryl iodides during the arylation are often wasted. Cyclic aryliodoniums have their intrinsic advantage in terms of reaction economy, and they have started to receive considerable attention due to their valuable synthetic applications to initiate cascade reactions, which can enable the construction of complex structures, including polycycles with potential pharmaceutical and functional properties. Here, we are summarizing the recent advances made in the research field of cyclic aryliodoniums, including the nascent design of aryliodonium species and their synthetic applications. First, the general preparation of typical diphenyl iodoniums is described, followed by the construction of heterocyclic iodoniums and monoaryl iodoniums. Then, the initiated arylations coupled with subsequent domino reactions are summarized to construct polycycles. Meanwhile, the advances in cyclic aryliodoniums for building biaryls including axial atropisomers are discussed in a systematic manner. Finally, a very recent advance of cyclic aryliodoniums employed as halogen-bonding organocatalysts is described.
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Affiliation(s)
- Xiaopeng Peng
- College
of Pharmacy, Key Laboratory of Prevention and Treatment of Cardiovascular
and Cerebrovascular Diseases, Ministry of Education, Jiangxi Province
Key Laboratory of Biomaterials and Biofabrication for Tissue Engineering, Gannan Medical University, Ganzhou341000, P.R. China
- State
Key Laboratory of Oncology in South China, Collaborative Innovation
Center for Cancer Medicine, Sun Yat-sen
University Cancer Center, 651 Dongfeng East Road, Guangzhou510060, P. R. China
| | - Abdur Rahim
- Department
of Chemistry, University of Science and
Technology of China, 96 Jinzhai Road, Hefei230026, P. R. China
| | - Weijie Peng
- College
of Pharmacy, Key Laboratory of Prevention and Treatment of Cardiovascular
and Cerebrovascular Diseases, Ministry of Education, Jiangxi Province
Key Laboratory of Biomaterials and Biofabrication for Tissue Engineering, Gannan Medical University, Ganzhou341000, P.R. China
| | - Feng Jiang
- College
of Pharmacy, Key Laboratory of Prevention and Treatment of Cardiovascular
and Cerebrovascular Diseases, Ministry of Education, Jiangxi Province
Key Laboratory of Biomaterials and Biofabrication for Tissue Engineering, Gannan Medical University, Ganzhou341000, P.R. China
| | - Zhenhua Gu
- Department
of Chemistry, University of Science and
Technology of China, 96 Jinzhai Road, Hefei230026, P. R. China
| | - Shijun Wen
- State
Key Laboratory of Oncology in South China, Collaborative Innovation
Center for Cancer Medicine, Sun Yat-sen
University Cancer Center, 651 Dongfeng East Road, Guangzhou510060, P. R. China
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11
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Yang X, Wei L, Wu Y, Zhou L, Zhang X, Chi YR. Atroposelective Access to 1,3-Oxazepine-Containing Bridged Biaryls via Carbene-Catalyzed Desymmetrization of Imines. Angew Chem Int Ed Engl 2023; 62:e202211977. [PMID: 36087019 DOI: 10.1002/anie.202211977] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Indexed: 02/02/2023]
Abstract
We disclose herein an atroposelective synthesis of novel bridged biaryls containing medium-sized rings via N-heterocyclic carbene organocatalysis. The reaction starts with addition of the carbene catalyst to the aminophenol-derived aldimine substrate. Subsequent oxidation and intramolecular desymmetrization lead to the formation of 1,3-oxazepine-containing bridged biaryls in good yields and excellent enantioselectivities. These novel bridged biaryl products can be readily transformed into chiral phosphite ligands. Preliminary density function theory calculations suggest that the origin of enantioselectivity arises from the more favorable frontier molecular orbital interactions in the transition state leading to the major product.
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Affiliation(s)
- Xing Yang
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine (Ministry of Educational of China), Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, and Key Laboratory of Phytochemistry R&D of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, 410081, P. R. China
| | - Liwen Wei
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine (Ministry of Educational of China), Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, and Key Laboratory of Phytochemistry R&D of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, 410081, P. R. China
| | - Yuelin Wu
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine (Ministry of Educational of China), Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, and Key Laboratory of Phytochemistry R&D of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, 410081, P. R. China
| | - Liejin Zhou
- Department of Chemistry, Zhejiang Normal University, Jinhua, 321004, P. R. China
| | - Xinglong Zhang
- Institute of High Performance Computing, Agency for Science, Technology and Research (A*STAR), Singapore, 138632, Singapore
| | - Yonggui Robin Chi
- Division of Chemistry & Mathematical Science, School of Physical & Mathematical Sciences, Nanyang Technological University, Singapore, 637371, Singapore.,Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University Huaxi District, Guiyang, 550025, P. R. China
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12
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Yan Y, Li M, Shi Q, Huang M, Li W, Cao L, Zhang X. Atropoenantioselective Arylation of 5‐Amino‐Isothiazoles with Methyl
p
‐Quinone Carboxylate. ASIAN J ORG CHEM 2023. [DOI: 10.1002/ajoc.202200578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Yingkun Yan
- Department of Chemistry Xihua University Chengdu 610039 P. R. China
- Asymmetric Synthesis and Chiraltechnology Key Laboratory of Sichuan Province Chengdu Institute of Organic Chemistry Chinese Academy of Sciences Chengdu 610041 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Min Li
- Department of Chemistry Xihua University Chengdu 610039 P. R. China
- Asymmetric Synthesis and Chiraltechnology Key Laboratory of Sichuan Province Chengdu Institute of Organic Chemistry Chinese Academy of Sciences Chengdu 610041 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Quan Shi
- Department of Chemistry Xihua University Chengdu 610039 P. R. China
| | - Min Huang
- Department of Chemistry Xihua University Chengdu 610039 P. R. China
- Asymmetric Synthesis and Chiraltechnology Key Laboratory of Sichuan Province Chengdu Institute of Organic Chemistry Chinese Academy of Sciences Chengdu 610041 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Wenzhe Li
- Department of Chemistry Xihua University Chengdu 610039 P. R. China
- Asymmetric Synthesis and Chiraltechnology Key Laboratory of Sichuan Province Chengdu Institute of Organic Chemistry Chinese Academy of Sciences Chengdu 610041 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Lianyi Cao
- Department of Chemistry Xihua University Chengdu 610039 P. R. China
- Asymmetric Synthesis and Chiraltechnology Key Laboratory of Sichuan Province Chengdu Institute of Organic Chemistry Chinese Academy of Sciences Chengdu 610041 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Xiaomei Zhang
- Department of Chemistry Xihua University Chengdu 610039 P. R. China
- Asymmetric Synthesis and Chiraltechnology Key Laboratory of Sichuan Province Chengdu Institute of Organic Chemistry Chinese Academy of Sciences Chengdu 610041 P. R. China
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13
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Lanzi M, Rogge T, Truong TS, Houk KN, Wencel-Delord J. Cyclic Diaryl λ 3-Chloranes: Reagents and Their C-C and C-O Couplings with Phenols via Aryne Intermediates. J Am Chem Soc 2022; 145:345-358. [PMID: 36535642 PMCID: PMC9837845 DOI: 10.1021/jacs.2c10090] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Hypervalent chloranes are a class of rare and poorly explored reagents. Their unique electronic properties confer reactivity that is complementary to that of the common iodanes and emerging bromanes. Highly chemo- and regioselective, metal-free, and mild C-C and C-O couplings are reported here. Experimental and computational mechanistic studies elucidate the unprecedented reactivities and selectivities of these systems and the intermediacy of aryne intermediates. The synthetic potential of these transformations is further demonstrated via the post-functionalization of C-C and C-O coupling products obtained from reactions of chloranes with phenols under different conditions.
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Affiliation(s)
- Matteo Lanzi
- Laboratoire
d’Innovation Moléculaire et Applications (UMR CNRS 7042),
Université de Strasbourg/Université de Haute Alsace,
ECPM, 67087Strasbourg, France
| | - Torben Rogge
- Department
of Chemistry and Biochemistry, University
of California, Los Angeles, California90095, United States
| | - Tan Sang Truong
- Laboratoire
d’Innovation Moléculaire et Applications (UMR CNRS 7042),
Université de Strasbourg/Université de Haute Alsace,
ECPM, 67087Strasbourg, France
| | - K. N. Houk
- Department
of Chemistry and Biochemistry, University
of California, Los Angeles, California90095, United States,
| | - Joanna Wencel-Delord
- Laboratoire
d’Innovation Moléculaire et Applications (UMR CNRS 7042),
Université de Strasbourg/Université de Haute Alsace,
ECPM, 67087Strasbourg, France,
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14
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Sun BB, Liu K, Gao Q, Fang W, Lu S, Wang CR, Yao CZ, Cao HQ, Yu J. Enantioselective Ugi and Ugi-azide reactions catalyzed by anionic stereogenic-at-cobalt(III) complexes. Nat Commun 2022; 13:7065. [PMID: 36400776 PMCID: PMC9674650 DOI: 10.1038/s41467-022-34887-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 11/10/2022] [Indexed: 11/19/2022] Open
Abstract
Ugi reactions and related variations are proven to be atom and step-economic strategies for construction of highly valuable peptide-like skeletons and nitrogenous heterocycles. The development of structurally diverse range of novel catalytic systems and the discovery of new approaches to accommodate a broader scope of terminating reagents for asymmetric Ugi four-component reaction is still in high demand. Here, we report a strategy that enables enantioselective Ugi four-component and Ugi-azide reactions employing anionic stereogenic-at-cobalt(III) complexes as catalysts. The key nitrilium intermediates, generated through the nucleophilic addition of isocyanides to the chiral ion-pair which consists of stereogenic-at-cobalt(III) complexes counteranion and a protonated iminium, are trapped by either carboxylic acids or in situ-generated hydrazoic acid, delivering α-acylamino amides and α-aminotetrazoles in good to excellent enantioselectivities (up to 99:1 e.r.).
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Affiliation(s)
- Bing-Bing Sun
- grid.411389.60000 0004 1760 4804Department of Applied Chemistry, Anhui Agricultural University, Hefei, 230036 China
| | - Kun Liu
- grid.411389.60000 0004 1760 4804Department of Applied Chemistry, Anhui Agricultural University, Hefei, 230036 China
| | - Quan Gao
- grid.411389.60000 0004 1760 4804School of Plant Protection, Anhui Province Engineering Laboratory for Green Pesticide Development and Application, and Anhui Province Key Laboratory of Crop Integrated Pest Management, Anhui Agricultural University, Hefei, 230036 China
| | - Wei Fang
- grid.411389.60000 0004 1760 4804Department of Applied Chemistry, Anhui Agricultural University, Hefei, 230036 China
| | - Shuang Lu
- grid.411389.60000 0004 1760 4804Department of Applied Chemistry, Anhui Agricultural University, Hefei, 230036 China
| | - Chun-Ru Wang
- grid.411389.60000 0004 1760 4804Department of Applied Chemistry, Anhui Agricultural University, Hefei, 230036 China
| | - Chuan-Zhi Yao
- grid.411389.60000 0004 1760 4804Department of Applied Chemistry, Anhui Agricultural University, Hefei, 230036 China
| | - Hai-Qun Cao
- grid.411389.60000 0004 1760 4804School of Plant Protection, Anhui Province Engineering Laboratory for Green Pesticide Development and Application, and Anhui Province Key Laboratory of Crop Integrated Pest Management, Anhui Agricultural University, Hefei, 230036 China
| | - Jie Yu
- grid.411389.60000 0004 1760 4804Department of Applied Chemistry, Anhui Agricultural University, Hefei, 230036 China ,grid.411389.60000 0004 1760 4804School of Plant Protection, Anhui Province Engineering Laboratory for Green Pesticide Development and Application, and Anhui Province Key Laboratory of Crop Integrated Pest Management, Anhui Agricultural University, Hefei, 230036 China
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15
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Han J, Xiao B, Sun TY, Wang M, Jin L, Yu W, Wang Y, Fang DM, Zhou Y, Wu XF, Wu YD, Liao J. Enantioselective Double Carbonylation Enabled by High-Valent Palladium Catalysis. J Am Chem Soc 2022; 144:21800-21807. [DOI: 10.1021/jacs.2c10559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Jian Han
- College of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Bo Xiao
- Institute of Chemical Biology, Shenzhen Bay Laboratory, Shenzhen 518132, China
- State Key Laboratory of Chemical Oncogenomics, Key Laboratory of Computational Chemistry and Drug Design, Key Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China
| | - Tian-Yu Sun
- Institute of Chemical Biology, Shenzhen Bay Laboratory, Shenzhen 518132, China
- State Key Laboratory of Chemical Oncogenomics, Key Laboratory of Computational Chemistry and Drug Design, Key Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China
| | - Min Wang
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Long Jin
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Wangzhi Yu
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Yuqin Wang
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Dong-Mei Fang
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Yan Zhou
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
| | - Xiao-Feng Wu
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023,, China
| | - Yun-Dong Wu
- Institute of Chemical Biology, Shenzhen Bay Laboratory, Shenzhen 518132, China
- State Key Laboratory of Chemical Oncogenomics, Key Laboratory of Computational Chemistry and Drug Design, Key Laboratory of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China
| | - Jian Liao
- College of Chemical Engineering, Sichuan University, Chengdu 610065, China
- Natural Products Research Center, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
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16
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Luo Z, Wang W, Tang T, Zhang S, Huang F, Hu D, Tao L, Qian L, Liao J. Torsional Strain‐Independent Catalytic Enantioselective Synthesis of Biaryl Atropisomers. Angew Chem Int Ed Engl 2022; 61:e202211303. [DOI: 10.1002/anie.202211303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Zhang‐Hong Luo
- College of Pharmaceutical Sciences and Hangzhou Institute of Innovative Medicine Zhejiang University Hangzhou 310058 China
| | - Wen‐Tao Wang
- College of Pharmaceutical Sciences and Hangzhou Institute of Innovative Medicine Zhejiang University Hangzhou 310058 China
| | - Tian‐Yi Tang
- College of Pharmaceutical Sciences and Hangzhou Institute of Innovative Medicine Zhejiang University Hangzhou 310058 China
| | - Sen Zhang
- College of Pharmaceutical Sciences and Hangzhou Institute of Innovative Medicine Zhejiang University Hangzhou 310058 China
| | - Fen Huang
- College of Pharmaceutical Sciences and Hangzhou Institute of Innovative Medicine Zhejiang University Hangzhou 310058 China
| | - Dan Hu
- College of Pharmaceutical Sciences and Hangzhou Institute of Innovative Medicine Zhejiang University Hangzhou 310058 China
| | - Ling‐Fei Tao
- College of Pharmaceutical Sciences and Hangzhou Institute of Innovative Medicine Zhejiang University Hangzhou 310058 China
| | - Linghui Qian
- College of Pharmaceutical Sciences and Hangzhou Institute of Innovative Medicine Zhejiang University Hangzhou 310058 China
| | - Jia‐Yu Liao
- College of Pharmaceutical Sciences and Hangzhou Institute of Innovative Medicine Zhejiang University Hangzhou 310058 China
- Innovation Institute for Artificial Intelligence in Medicine of Zhejiang University Hangzhou 310018 China
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17
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Synthesis and structural characterization of nitro-functionalized cyclic hypervalent iodine compounds. Polyhedron 2022. [DOI: 10.1016/j.poly.2022.115988] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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18
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Luo ZH, Wang WT, Tang TY, Zhang S, Huang F, Hu D, Tao LF, Qian L, Liao JY. Torsional Strain‐Independent Catalytic Enantioselective Synthesis of Biaryl Atropisomers. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202211303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Zhang-Hong Luo
- Zhejiang University College of Pharmaceutical Sciences, and Hangzhou Institute of Innovative Medicine CHINA
| | - Wen-Tao Wang
- Zhejiang University College of Pharmaceutical Sciences, and Hangzhou Institute of Innovative Medicine CHINA
| | - Tian-Yi Tang
- Zhejiang University College of Pharmaceutical Sciences, and Hangzhou Institute of Innovative Medicine CHINA
| | - Sen Zhang
- Zhejiang University College of Pharmaceutical Sciences, and Hangzhou Institute of Innovative Medicine CHINA
| | - Fen Huang
- Zhejiang University College of Pharmaceutical Sciences, and Hangzhou Institute of Innovative Medicine CHINA
| | - Dan Hu
- Zhejiang University College of Pharmaceutical Sciences, and Hangzhou Institute of Innovative Medicine CHINA
| | - Ling-Fei Tao
- Zhejiang University College of Pharmaceutical Sciences, and Hangzhou Institute of Innovative Medicine CHINA
| | - Linghui Qian
- Zhejiang University College of Pharmaceutical Sciences, and Hangzhou Institute of Innovative Medicine CHINA
| | - Jia-Yu Liao
- Zhejiang University College of Pharmaceutical Sciences 866 Yuhangtang Road 310058 Hangzhou CHINA
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19
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Zhang X, Zhao K, Gu Z. Transition Metal-Catalyzed Biaryl Atropisomer Synthesis via a Torsional Strain Promoted Ring-Opening Reaction. Acc Chem Res 2022; 55:1620-1633. [PMID: 35647705 DOI: 10.1021/acs.accounts.2c00175] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
ConspectusArising from the restricted rotation of a single bond caused by steric or electronic effects, atropisomerism is one of the few fundamental categories for molecules to manifest their three-dimensional characters into which axially chiral biaryl compounds fall. Despite the widespread occurrence of axially chiral skeletons in natural products, bioactive molecules, and chiral ligands/organocatalysts, catalytic asymmetric methods for the synthesis of these structures still lag behind demand. Major challenges for the preparation of these chiral biaryls include accessing highly sterically hindered variants while controlling the stereoselectivity. A couple of useful strategies have emerged for the direct asymmetric synthesis of these molecules in the last two decades.Recently, we have engaged in catalytic asymmetric synthesis of biaryl atropisomers via transition metal catalysis, including asymmetric ring-openings of dibenzo cyclic compounds. During these studies, we serendipitously discovered that the two substituents adjacent to the axis cause these dibenzo cyclic molecules to be distorted to minimize steric repulsion. The distorted compounds display higher reactivity in the ring-opening reactions than the non-distorted molecules. In other words, torsional strain can promote a ring-opening reaction. On the basis of this concept, we have successfully realized the catalytic asymmetric ring-opening reaction of cyclic diaryliodoniums, dibenzo silanes, and 9H-fluoren-9-ols, which delivered several differently substituted ortho tetra-substituted biaryl atropisomers in high enantioselectivity. The torsional strain not only activates the substrates toward ring-opening under mild conditions but also changes the chemoselectivity of bond-breaking events. In the palladium-catalyzed carboxylation of S-aryl dibenzothiophenium, the torsional strain inversed the bond selectivity from exocyclic C-S bond cleavage to the ring-opening reaction.In this Account, we summarize our studies on copper-, rhodium-, or palladium-catalyzed asymmetric ring-opening reactions of dibenzo cyclic compounds as a useful collection of methods for the straightforward preparation of ortho tetra-substituted biaryl atropisomers with high enantiopurity on the basis of the above-mentioned torsional strain-promoted ring-opening coupling strategy. In the last part, the torsional strain energies are also discussed with the aid of density functional theory (DFT) calculations.
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Affiliation(s)
- Xue Zhang
- Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China
| | - Kun Zhao
- Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China
| | - Zhenhua Gu
- Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China
- College of Materials and Chemical Engineering, Minjiang University, Fuzhou 350108, China
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20
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Zhang Z, Zhang J, Gao Q, Zhou Y, Yang M, Cao H, Sun T, Luo G, Cao ZC. Enantioselective alkylative cross-coupling of unactivated aromatic C-O electrophiles. Nat Commun 2022; 13:2953. [PMID: 35618745 PMCID: PMC9135759 DOI: 10.1038/s41467-022-30693-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 05/11/2022] [Indexed: 11/23/2022] Open
Abstract
Nonpolar alkyl moieties, especially methyl group, are frequently used to modify bioactive molecules during lead optimization in medicinal chemistry. Thus transition-metal catalyzed alkylative cross-coupling reactions by using readily available and environmentally benign C–O electrophiles have been established as powerful tools to install alkyl groups, however, the C(sp3)–C(sp2) cross-coupling via asymmetric activation of aromatic C–O bond for the synthesis of alkylated chiral compounds remains elusive. Here, we unlock a C(sp3)–C(sp2) cross-coupling via enantioselective activation of aromatic C–O bond for the efficient synthesis of versatile axially chiral 2-alkyl-2’-hydroxyl-biaryl compounds. By employing a unique chiral N-heterocyclic carbene ligand, this transformation is accomplished via nickel catalysis with good enantiocontrol. Mechanistic studies indicate that bis-ligated nickel complexes might be formed as catalytically active species in the enantioselective alkylative cross-coupling. Moreover, further derivation experiments suggest this developed methodology holds great promise for complex molecule synthesis and asymmetric catalysis. Transition-metal catalyzed alkylative cross-couplings are established, powerful tools for the installation of alkyl groups. Here, the authors unlock a C(sp3)–C(sp2) cross-coupling via the asymmetric activation of the aromatic C–O bond by bis-ligated nickel complexes for the synthesis of alkylated, axially chiral biaryl compounds.
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Affiliation(s)
- Zishuo Zhang
- Anhui Province Engineering Laboratory for Green Pesticide Development and Application, College of Plant Protection, Anhui Agricultural University, Hefei, Anhui, 230036, China
| | - Jintong Zhang
- Anhui Province Engineering Laboratory for Green Pesticide Development and Application, College of Plant Protection, Anhui Agricultural University, Hefei, Anhui, 230036, China
| | - Quan Gao
- Anhui Province Engineering Laboratory for Green Pesticide Development and Application, College of Plant Protection, Anhui Agricultural University, Hefei, Anhui, 230036, China
| | - Yu Zhou
- Institute of Physical Science and Information Technology, Anhui University, Hefei, 230601, China
| | - Mingyu Yang
- School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an, Shaanxi, 710119, China
| | - Haiqun Cao
- Anhui Province Engineering Laboratory for Green Pesticide Development and Application, College of Plant Protection, Anhui Agricultural University, Hefei, Anhui, 230036, China
| | - Tingting Sun
- Anhui Province Engineering Laboratory for Green Pesticide Development and Application, College of Plant Protection, Anhui Agricultural University, Hefei, Anhui, 230036, China
| | - Gen Luo
- Institute of Physical Science and Information Technology, Anhui University, Hefei, 230601, China.
| | - Zhi-Chao Cao
- Anhui Province Engineering Laboratory for Green Pesticide Development and Application, College of Plant Protection, Anhui Agricultural University, Hefei, Anhui, 230036, China.
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21
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Zhang Q, Xue X, Hong B, Gu Z. Torsional strain inversed chemoselectivity in a Pd-catalyzed atroposelective carbonylation reaction of dibenzothiophenium. Chem Sci 2022; 13:3761-3765. [PMID: 35432889 PMCID: PMC8966737 DOI: 10.1039/d2sc00341d] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 02/28/2022] [Indexed: 12/18/2022] Open
Abstract
A palladium-catalyzed enantioselective ring-opening/carbonylation of cyclic diarylsulfonium salts is reported. In comparison to thioethers, the sulfonium salts displayed high reactivity and enabled the reaction to be performed under mild conditions (room temperature). The steric repulsion of the two non-hydrogen substituents adjacent to the axis led cyclic diarylsulfonium salts to be distorted, which enabled the ring-opening reaction to proceed with significant preference for breaking the exocyclic C-S bond.
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Affiliation(s)
- Qiuchi Zhang
- Department of Chemistry, University of Science and Technology of China 96 Jinzhai Road Hefei Anhui 230026 P. R. China
| | - Xiaoping Xue
- Department of Chemistry, University of Science and Technology of China 96 Jinzhai Road Hefei Anhui 230026 P. R. China
| | - Biqiong Hong
- College of Materials and Chemical Engineering, Minjiang University Fuzhou Fujian 350108 P. R. China
| | - Zhenhua Gu
- Department of Chemistry, University of Science and Technology of China 96 Jinzhai Road Hefei Anhui 230026 P. R. China .,College of Materials and Chemical Engineering, Minjiang University Fuzhou Fujian 350108 P. R. China
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22
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Organocatalytic dynamic kinetic resolution of N-arylindole lactams: atroposelective construction of axially chiral amino acids bearing a C-N chiral axis. Sci China Chem 2022. [DOI: 10.1007/s11426-021-1209-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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23
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Wang W, Wang Y. Copper-Catalyzed Chemo-, Regio-, and Stereoselective Multicomponent 1,2,3-Trifunctionalization of Internal Alkynes. Org Lett 2022; 24:1871-1875. [PMID: 35238207 DOI: 10.1021/acs.orglett.2c00499] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Herein, we report the first diaryliodonium salts promoted multicomponent 1,2,3-trifunctionalization of alkynes, where both the acetylenic bond and the adjacent nonactivated propargylic C(sp3)-H bond were functionalized synergistically to generate α-arylated enones with high chemo-, regio-, and stereoselectivity. A broad spectrum of diaryliodonium salts and internal alkynes could be utilized in this protocol, and a diverse collection of highly substituted and stereochemically defined linear and cyclic complex structures could be elaborated from the enone products.
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Affiliation(s)
- Weilin Wang
- School of Chemistry, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, Xi'an Jiaotong University (XJTU), Xi'an, 710049, China
| | - Youliang Wang
- School of Chemistry, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Xi'an Key Laboratory of Sustainable Energy Materials Chemistry, Xi'an Jiaotong University (XJTU), Xi'an, 710049, China
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24
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Zhu D, Sun Y, Peng H, Li H, Yan Y, Kuang H. Enantioselective Synthesis of Axially Chiral Oxazole Biaryls via Cu‐Catalyzed Oxidation of Cyclic Diaryliodoniums. European J Org Chem 2022. [DOI: 10.1002/ejoc.202101449] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Daqian Zhu
- Guangdong Pharmaceutical University School of Pharmacy 280 Waihuan East Road 510006 Guangzhou CHINA
| | - Yameng Sun
- Sun Yat-sen University Cancer Center collaborative innovation center for cancer medicine CHINA
| | - Hui Peng
- Sun Yat-sen University Cancer Center collaborative innovation center for cancer medicine CHINA
| | - Hangni Li
- Guangdong Pharmaceutical University school of pharmacy CHINA
| | - Yang Yan
- Guangdong Pharmaceutical University school of pharmacy CHINA
| | - Haolin Kuang
- Guangdong Pharmaceutical University school of pharmacy CHINA
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25
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Cheng F, Duan DS, Jiang LM, Li BS, Wang JX, Zhou YJ, Jiao HY, Wu T, Zhu DY, Wang SH. Copper-Catalyzed Asymmetric Ring-Opening Reaction of Cyclic Diaryliodonium Salts with Imides. Org Lett 2022; 24:1394-1399. [PMID: 35132855 DOI: 10.1021/acs.orglett.2c00247] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
An efficient copper-catalyzed asymmetric ring-opening reaction of diaryliodonium salts with imides has been developed, affording a wide range of axially chiral 2-imidobiaryl compounds with excellent enantioselectivities and better convertibility. The potential utility of the current method has been supported by the synthesis of two known chiral ligands with better efficiency, which would be of great significance to the development of other catalytic asymmetric reactions.
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Affiliation(s)
- Fu Cheng
- School of Pharmacy & State Key Laboratory of Applied Organic Chemistry & Collaborative Innovation Center for Northwestern Chinese Medicine, Lanzhou University, Room 609, Xinglin Building, 222 Tianshui South Road, Chengguan District, Lanzhou 730000, China
| | - Dong-Sen Duan
- School of Pharmacy & State Key Laboratory of Applied Organic Chemistry & Collaborative Innovation Center for Northwestern Chinese Medicine, Lanzhou University, Room 609, Xinglin Building, 222 Tianshui South Road, Chengguan District, Lanzhou 730000, China
| | - Li-Ming Jiang
- School of Pharmacy & State Key Laboratory of Applied Organic Chemistry & Collaborative Innovation Center for Northwestern Chinese Medicine, Lanzhou University, Room 609, Xinglin Building, 222 Tianshui South Road, Chengguan District, Lanzhou 730000, China
| | - Bao-Sheng Li
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing 400044, China
| | - Jia-Xuan Wang
- School of Pharmacy & State Key Laboratory of Applied Organic Chemistry & Collaborative Innovation Center for Northwestern Chinese Medicine, Lanzhou University, Room 609, Xinglin Building, 222 Tianshui South Road, Chengguan District, Lanzhou 730000, China
| | - Yu-Jia Zhou
- School of Pharmacy & State Key Laboratory of Applied Organic Chemistry & Collaborative Innovation Center for Northwestern Chinese Medicine, Lanzhou University, Room 609, Xinglin Building, 222 Tianshui South Road, Chengguan District, Lanzhou 730000, China
| | - He-Yu Jiao
- School of Pharmacy & State Key Laboratory of Applied Organic Chemistry & Collaborative Innovation Center for Northwestern Chinese Medicine, Lanzhou University, Room 609, Xinglin Building, 222 Tianshui South Road, Chengguan District, Lanzhou 730000, China
| | - Tao Wu
- School of Pharmacy & State Key Laboratory of Applied Organic Chemistry & Collaborative Innovation Center for Northwestern Chinese Medicine, Lanzhou University, Room 609, Xinglin Building, 222 Tianshui South Road, Chengguan District, Lanzhou 730000, China
| | - Dao-Yong Zhu
- School of Pharmacy & State Key Laboratory of Applied Organic Chemistry & Collaborative Innovation Center for Northwestern Chinese Medicine, Lanzhou University, Room 609, Xinglin Building, 222 Tianshui South Road, Chengguan District, Lanzhou 730000, China
| | - Shao-Hua Wang
- School of Pharmacy & State Key Laboratory of Applied Organic Chemistry & Collaborative Innovation Center for Northwestern Chinese Medicine, Lanzhou University, Room 609, Xinglin Building, 222 Tianshui South Road, Chengguan District, Lanzhou 730000, China
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26
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Li R, Hou YX, Xu JH, Gao Y, Hu XQ. Divergent synthesis of fused N-heterocycles via rhodium-catalysed [4+2] cyclization of pyrazolidinones with iodonium ylides. Org Chem Front 2022. [DOI: 10.1039/d2qo00144f] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A catalytic system-controlled divergent strategy is developed for the precise synthesis of cinnolines and pyrazolo[1,2-a]cinnolines via rhodium-catalysed [4+2] cyclization of readily available pyrazolidinones and iodonium ylides. A range of cinnolines...
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27
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Wang G, Huang J, Zhang J, Fu Z. Catalytically atroposelective ring-opening of configurationally labile compounds to access axially chiral biaryls. Org Chem Front 2022. [DOI: 10.1039/d2qo00946c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this minireview, we evaluate and summarize the construction of axially chiral biaryls, and briefly state our personal perspectives on the future advancement of this direction.
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Affiliation(s)
- Guanjie Wang
- International Joint Research Center for Molecular Science, College of Chemistry and Environmental Engineering & College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
| | - Jie Huang
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering & Institute of Advanced Materials, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, China
| | - Junmin Zhang
- International Joint Research Center for Molecular Science, College of Chemistry and Environmental Engineering & College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
| | - Zhenqian Fu
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering & Institute of Advanced Materials, Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, China
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28
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Li C, Zuo WF, Zhou J, Zhou WJ, Wang M, Li X, Zhan G, Huang W. Catalytic asymmetric synthesis of 3,4'-indole-pyrazole derivatives featuring axially chiral bis-pentatomic heteroaryls. Org Chem Front 2022. [DOI: 10.1039/d2qo00021k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The atroposelective synthesis of bis-pentatomic heteroaryl systems is challenging due to the low rotation barrier and configurational instability of the 5,5-ring system. 3,4'-Indole-pyrazole is a bis-pentatomic heteroaryl scaffold existing in...
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29
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Liang H, Zhu G, Pu X, Qiu L. Copper-Catalyzed Enantioselective C-H Arylation between 2-Arylindoles and Hypervalent Iodine Reagents. Org Lett 2021; 23:9246-9250. [PMID: 34806895 DOI: 10.1021/acs.orglett.1c03596] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The copper-catalyzed enantioselective C-H arylation between 2-arylindoles and hypervalent iodine reagents has been successfully developed, which provides a convenient and economical route to the highly atroposelective synthesis of axially chiral indole derivatives with a 2-aryl structure (up to 99% ee). Density functional theory calculations and wave function analysis show that the key "sandwich" intermediate leads to high enantioselectivity of the reaction.
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Affiliation(s)
- Hao Liang
- School of Chemistry, Guangdong Provincial Key Laboratory of Chiral Molecules and Drug Discovery, Sun Yat-Sen University, Guangzhou 510006, China
| | - Guoxun Zhu
- Electronic/IT-related Chemicals Lab, Guangdong Institute of Analysis, Guangzhou 510070, China
| | - Xiaoyun Pu
- School of Chemistry, Guangdong Provincial Key Laboratory of Chiral Molecules and Drug Discovery, Sun Yat-Sen University, Guangzhou 510006, China
| | - Liqin Qiu
- School of Chemistry, Guangdong Provincial Key Laboratory of Chiral Molecules and Drug Discovery, Sun Yat-Sen University, Guangzhou 510006, China
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30
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Construction of C−C Axial Chirality via Asymmetric Carbene Insertion into Arene C−H Bonds. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202110430] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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31
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Li Z, Chen Y, Wang C, Xu G, Shao Y, Zhang X, Tang S, Sun J. Construction of C-C Axial Chirality via Asymmetric Carbene Insertion into Arene C-H Bonds. Angew Chem Int Ed Engl 2021; 60:25714-25718. [PMID: 34597448 DOI: 10.1002/anie.202110430] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 09/29/2021] [Indexed: 01/16/2023]
Abstract
By using diazonaphthoquinones and anilines as key reagents and through a point-to-axis chiral transfer strategy, the atroposelective synthesis via asymmetric C(sp2 )-H bond insertion reaction of arenes has been realized under rhodium catalysis, providing the resulting biaryl atropisomers in moderate to excellent yields with good enantiomeric ratios (up to 99:1). Further elaboration indicates this type of axially biaryl scaffold may have promising potentials in developing novel chiral ligands.
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Affiliation(s)
- Ziyong Li
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, 1 Gehu Road, 213164, Changzhou, China
| | - Ying Chen
- Shenzhen Bay Laboratory, State Key Laboratory of Chemical Oncogeomics, Peking University Shenzhen Graduate School, Shenzhen, 518055, China
| | - Chuang Wang
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, 1 Gehu Road, 213164, Changzhou, China
| | - Guangyang Xu
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, 1 Gehu Road, 213164, Changzhou, China
| | - Ying Shao
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, 1 Gehu Road, 213164, Changzhou, China
| | - Xinhao Zhang
- Shenzhen Bay Laboratory, State Key Laboratory of Chemical Oncogeomics, Peking University Shenzhen Graduate School, Shenzhen, 518055, China
| | - Shengbiao Tang
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, 1 Gehu Road, 213164, Changzhou, China
| | - Jiangtao Sun
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, 1 Gehu Road, 213164, Changzhou, China
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32
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Zhang J, Sun T, Zhang Z, Cao H, Bai Z, Cao ZC. Nickel-Catalyzed Enantioselective Arylative Activation of Aromatic C-O Bond. J Am Chem Soc 2021; 143:18380-18387. [PMID: 34705442 DOI: 10.1021/jacs.1c09797] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The pioneering nickel-catalyzed cross-coupling of C-O electrophiles was unlocked by Wenkert in the 1970s; however, the transition-metal-catalyzed asymmetric activation of aromatic C-O bonds has never been reported. Herein the first enantioselective activation of an aromatic C-O bond is demonstrated via the catalytic arylative ring-opening cross-coupling of diarylfurans. This transformation is facilitated via nickel catalysis in the presence of chiral N-heterocyclic carbene ligands, and chiral 2-aryl-2'-hydroxy-1,1'-binaphthyl (ArOBIN) skeletons are delivered axially in high yields with high ee. Moreover, this versatile skeleton can be transformed into various synthetic useful intermediates, chiral catalysts, and ligands by using the CH- and OH-based modifiable sites. This chemistry features mild conditions and good atom economy.
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Affiliation(s)
- Jintong Zhang
- Anhui Agricultural University, Hefei, Anhui 230036, China
| | - Tingting Sun
- Anhui Agricultural University, Hefei, Anhui 230036, China
| | - Zishuo Zhang
- Anhui Agricultural University, Hefei, Anhui 230036, China
| | - Haiqun Cao
- Anhui Agricultural University, Hefei, Anhui 230036, China
| | - Zhushuang Bai
- Shandong First Medical University, Jinan, Shandong 250117, China
| | - Zhi-Chao Cao
- Anhui Agricultural University, Hefei, Anhui 230036, China
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33
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Yoshida Y, Mino T, Sakamoto M. Chiral Hypervalent Bromine(III) (Bromonium Salt): Hydrogen- and Halogen-Bonding Bifunctional Asymmetric Catalysis by Diaryl-λ 3-bromanes. ACS Catal 2021. [DOI: 10.1021/acscatal.1c04070] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Yasushi Yoshida
- Molecular Chirality Research Center, Graduate School of Engineering, Chiba University, 1-33, Yayoi-cho, Inage-ku, Chiba-shi, Chiba 263-8522, Japan
| | - Takashi Mino
- Molecular Chirality Research Center, Graduate School of Engineering, Chiba University, 1-33, Yayoi-cho, Inage-ku, Chiba-shi, Chiba 263-8522, Japan
| | - Masami Sakamoto
- Molecular Chirality Research Center, Graduate School of Engineering, Chiba University, 1-33, Yayoi-cho, Inage-ku, Chiba-shi, Chiba 263-8522, Japan
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34
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Jiang H, Geng R, Wei J, Gong L. Atroposelective sp
3
C—H Coupling for Kinetic Resolution of Thioanilide Atropisomers. CHINESE J CHEM 2021. [DOI: 10.1002/cjoc.202100466] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Hua‐Jie Jiang
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Chemistry University of Science and Technology of China Hefei Anhui 230026 China
| | - Rui‐Long Geng
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Chemistry University of Science and Technology of China Hefei Anhui 230026 China
| | - Jia‐Hui Wei
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Chemistry University of Science and Technology of China Hefei Anhui 230026 China
| | - Liu‐Zhu Gong
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Chemistry University of Science and Technology of China Hefei Anhui 230026 China
- Center for Excellence in Molecular Synthesis of CAS Hefei Anhui 230026 China
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35
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Emelyanov MA, Stoletova NV, Smol'yakov AF, Il'in MM, Maleev VI, Larionov VA. Synthesis and a Catalytic Study of Diastereomeric Cationic Chiral-at-Cobalt Complexes Based on ( R, R)-1,2-Diphenylethylenediamine. Inorg Chem 2021; 60:13960-13967. [PMID: 34449202 DOI: 10.1021/acs.inorgchem.1c00855] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Here we report the first synthesis of two diastereomeric cationic octahedral Co(III) complexes based on commercially available (R,R)-1,2-diphenylethylenediamine and salicylaldehyde. Both diastereoisomers with opposite chiralities at the metal center (Λ and Δ configurations) were prepared. The new Co(III) complexes possessed both acidic hydrogen-bond donating (HBD) NH moieties and nucleophilic counteranions and operate as bifunctional chiral catalysts for the challenging kinetic resolution of terminal and disubstituted epoxides by the reaction with CO2 under mild conditions. The highest selectivity factor (s) of 2.8 for the trans-chalcone epoxide was achieved at low catalyst loading (2 mol %) in chlorobenzene, which is the best achieved result currently for this type of substrate.
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Affiliation(s)
- Mikhail A Emelyanov
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilov Str. 28, 119991 Moscow, Russian Federation
| | - Nadezhda V Stoletova
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilov Str. 28, 119991 Moscow, Russian Federation
| | - Alexander F Smol'yakov
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilov Str. 28, 119991 Moscow, Russian Federation
| | - Mikhail M Il'in
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilov Str. 28, 119991 Moscow, Russian Federation
| | - Victor I Maleev
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilov Str. 28, 119991 Moscow, Russian Federation
| | - Vladimir A Larionov
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Vavilov Str. 28, 119991 Moscow, Russian Federation.,Peoples' Friendship University of Russia (RUDN University), Miklukho-Maklaya Str. 6, 117198 Moscow, Russian Federation
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36
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Wang Z, Xie P, Xu Y, Hong X, Shi S. Low‐Temperature Nickel‐Catalyzed C−N Cross‐Coupling via Kinetic Resolution Enabled by a Bulky and Flexible Chiral
N
‐Heterocyclic Carbene Ligand. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202103803] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Zi‐Chao Wang
- State Key Laboratory of Organometallic Chemistry Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
- School of Pharmaceutical Engineering and Key Laboratory of Structure-Based Drug Design & Discovery (Ministry of Education) Shenyang Pharmaceutical University Shenyang 110016 China
| | - Pei‐Pei Xie
- Department of Chemistry Zhejiang University 38 Zheda Road Hangzhou 310027 China
| | - Youjun Xu
- School of Pharmaceutical Engineering and Key Laboratory of Structure-Based Drug Design & Discovery (Ministry of Education) Shenyang Pharmaceutical University Shenyang 110016 China
| | - Xin Hong
- Department of Chemistry Zhejiang University 38 Zheda Road Hangzhou 310027 China
| | - Shi‐Liang Shi
- State Key Laboratory of Organometallic Chemistry Center for Excellence in Molecular Synthesis Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
- School of Pharmacy Fudan University Shanghai 201203 China
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37
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Wang ZC, Xie PP, Xu Y, Hong X, Shi SL. Low-Temperature Nickel-Catalyzed C-N Cross-Coupling via Kinetic Resolution Enabled by a Bulky and Flexible Chiral N-Heterocyclic Carbene Ligand. Angew Chem Int Ed Engl 2021; 60:16077-16084. [PMID: 33901337 DOI: 10.1002/anie.202103803] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Indexed: 12/14/2022]
Abstract
The transition-metal-catalyzed C-N cross-coupling has revolutionized the construction of amines. Despite the innovations of multiple generations of ligands to modulate the reactivity of the metal center, ligands for the low-temperature enantioselective amination of aryl halides remain a coveted target of catalyst engineering. Designs that promote one elementary reaction often create bottlenecks at other steps. We here report an unprecedented low-temperature (as low as -50 °C), enantioselective Ni-catalyzed C-N cross-coupling of aryl chlorides with sterically hindered secondary amines via a kinetic resolution process (s factor up to >300). A bulky yet flexible chiral N-heterocyclic carbene (NHC) ligand is leveraged to drive both oxidative addition and reductive elimination with low barriers and control the enantioselectivity. Computational studies indicate that the rotations of multiple σ-bonds on the C2 -symmetric chiral ligand adapt to the changing needs of catalytic processes. We expect this design would be widely applicable to diverse transition states to achieve other challenging metal-catalyzed asymmetric cross-coupling reactions.
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Affiliation(s)
- Zi-Chao Wang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China.,School of Pharmaceutical Engineering and Key Laboratory of Structure-Based Drug Design & Discovery (Ministry of Education), Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Pei-Pei Xie
- Department of Chemistry, Zhejiang University, 38 Zheda Road, Hangzhou, 310027, China
| | - Youjun Xu
- School of Pharmaceutical Engineering and Key Laboratory of Structure-Based Drug Design & Discovery (Ministry of Education), Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Xin Hong
- Department of Chemistry, Zhejiang University, 38 Zheda Road, Hangzhou, 310027, China
| | - Shi-Liang Shi
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, China.,School of Pharmacy, Fudan University, Shanghai, 201203, China
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38
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Lanzi M, Dherbassy Q, Wencel-Delord J. Cyclic Diaryl λ 3 -Bromanes as Original Aryne Precursors. Angew Chem Int Ed Engl 2021; 60:14852-14857. [PMID: 33901330 DOI: 10.1002/anie.202103625] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Indexed: 12/18/2022]
Abstract
Despite the widespread application of hypervalent iodines, the corresponding λ3 -bromanes are less explored. Herein we report a general, safe, and high-yielding strategy to access cyclic diaryl λ3 -bromanes. These unique compounds feature reactivity that is appealing and complementary to that of λ3 -iodanes, generating arynes under mild reaction conditions and in the presence of a weak base. Accordingly, formal meta-selective transition-metal-free C-O and C-N couplings may be achieved. Mechanistic studies unambiguously support the aryne generation mechanism.
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Affiliation(s)
- Matteo Lanzi
- Laboratoire d'Innovation Moléculaire et Applications (UMR CNRS 7042), Université de Strasbourg/Université de Haute Alsace, ECPM, 25 rue Becquerel, 67087, Strasbourg, France
| | - Quentin Dherbassy
- Laboratoire d'Innovation Moléculaire et Applications (UMR CNRS 7042), Université de Strasbourg/Université de Haute Alsace, ECPM, 25 rue Becquerel, 67087, Strasbourg, France
| | - Joanna Wencel-Delord
- Laboratoire d'Innovation Moléculaire et Applications (UMR CNRS 7042), Université de Strasbourg/Université de Haute Alsace, ECPM, 25 rue Becquerel, 67087, Strasbourg, France
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39
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Lanzi M, Dherbassy Q, Wencel‐Delord J. Cyclic Diaryl λ
3
‐Bromanes as Original Aryne Precursors. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202103625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Matteo Lanzi
- Laboratoire d'Innovation Moléculaire et Applications (UMR CNRS 7042) Université de Strasbourg/Université de Haute Alsace ECPM 25 rue Becquerel 67087 Strasbourg France
| | - Quentin Dherbassy
- Laboratoire d'Innovation Moléculaire et Applications (UMR CNRS 7042) Université de Strasbourg/Université de Haute Alsace ECPM 25 rue Becquerel 67087 Strasbourg France
| | - Joanna Wencel‐Delord
- Laboratoire d'Innovation Moléculaire et Applications (UMR CNRS 7042) Université de Strasbourg/Université de Haute Alsace ECPM 25 rue Becquerel 67087 Strasbourg France
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40
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Zhang C, Gao Y, Wang H, Zhou B, Ye S. Enantioselective Synthesis of Axially Chiral Benzothiophene/Benzofuran‐Fused Biaryls by N‐Heterocyclic Carbene Catalyzed Arene Formation. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202103415] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Chun‐Lin Zhang
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Molecular Recognition and Function CAS Research/Education Center for Excellence in Molecular Sciences Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
| | - Yuan‐Yuan Gao
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Molecular Recognition and Function CAS Research/Education Center for Excellence in Molecular Sciences Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Hai‐Ying Wang
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Molecular Recognition and Function CAS Research/Education Center for Excellence in Molecular Sciences Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Bang‐An Zhou
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Molecular Recognition and Function CAS Research/Education Center for Excellence in Molecular Sciences Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Song Ye
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Molecular Recognition and Function CAS Research/Education Center for Excellence in Molecular Sciences Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
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41
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Antonkin NS, Vlasenko YA, Yoshimura A, Smirnov VI, Borodina TN, Zhdankin VV, Yusubov MS, Shafir A, Postnikov PS. Preparation and Synthetic Applicability of Imidazole-Containing Cyclic Iodonium Salts. J Org Chem 2021; 86:7163-7178. [PMID: 33944564 DOI: 10.1021/acs.joc.1c00483] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
A novel approach to the preparation of imidazole-substituted cyclic iodonium salts has been developed via the oxidative cyclization of 1-phenyl-5-iodoimidazole using a cheap and available Oxone/H2SO4 oxidative system. The structure of the new polycyclic heteroarenes has been confirmed by single-crystal X-ray diffractometry, revealing the characteristic structure features for cyclic iodonium salts. The newly produced imidazole-flanked cyclic iodonium compounds were found to readily engage in a heterocyclization reaction with elemental sulfur, affording benzo[5,1-b]imidazothiazoles in good yields.
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Affiliation(s)
- Nikita S Antonkin
- Research School of Chemistry and Applied Biomedical Sciences, Tomsk Polytechnic University, Tomsk 634050, Russian Federation
| | - Yulia A Vlasenko
- Research School of Chemistry and Applied Biomedical Sciences, Tomsk Polytechnic University, Tomsk 634050, Russian Federation
| | - Akira Yoshimura
- Research School of Chemistry and Applied Biomedical Sciences, Tomsk Polytechnic University, Tomsk 634050, Russian Federation
| | - Vladimir I Smirnov
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, Favorsky Str., 1, Irkutsk 664033, Russian Federation
| | - Tatyana N Borodina
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, Favorsky Str., 1, Irkutsk 664033, Russian Federation
| | - Viktor V Zhdankin
- Research School of Chemistry and Applied Biomedical Sciences, Tomsk Polytechnic University, Tomsk 634050, Russian Federation.,Department of Chemistry and Biochemistry, University of Minnesota Duluth, Duluth, Minnesota 55812, United States
| | - Mekhman S Yusubov
- Research School of Chemistry and Applied Biomedical Sciences, Tomsk Polytechnic University, Tomsk 634050, Russian Federation
| | - Alexandr Shafir
- Department of Biological Chemistry, IQAC-CSIC, c/Jordi Girona 18-26, Barcelona 08034, Spain
| | - Pavel S Postnikov
- Research School of Chemistry and Applied Biomedical Sciences, Tomsk Polytechnic University, Tomsk 634050, Russian Federation.,Department of Solid-State Engineering, University of Chemistry and Technology, Prague 16628, Czech Republic
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42
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Zhang CL, Gao YY, Wang HY, Zhou BA, Ye S. Enantioselective Synthesis of Axially Chiral Benzothiophene/Benzofuran-Fused Biaryls by N-Heterocyclic Carbene Catalyzed Arene Formation. Angew Chem Int Ed Engl 2021; 60:13918-13922. [PMID: 33851519 DOI: 10.1002/anie.202103415] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Indexed: 01/13/2023]
Abstract
Axially chiral biaryl scaffolds are prevalent in natural products, chiral ligands, and organocatalysts. However, N-heterocyclic carbene (NHC) catalyzed de novo construction of an aromatic ring with concomitant axial chirality induction for the synthesis of biaryl atropisomers is far less developed, and the efficient synthesis of axially chiral tetra-ortho-substituted biaryls remains an unsolved problem under NHC catalysis. Reported here is an NHC-catalyzed de novo synthesis of axially chiral benzothiophene/benzofuran-fused biaryls from enals and 2-benzyl-benzothiophene/benzofuran-3-carbaldehydes through a [2+4] annulation, decarboxylation, and oxidative aromatization cascade with central-to-axial chirality conversion. The developed method provides efficient and general access to novel axially chiral benzothiophene/benzofuran-fused biaryls in high enantioselectivities and works well for the synthesis of tetra-ortho-substituted biaryls.
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Affiliation(s)
- Chun-Lin Zhang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Yuan-Yuan Gao
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Hai-Ying Wang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Bang-An Zhou
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Song Ye
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
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43
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Ren Q, Cao T, He C, Yang M, Liu H, Wang L. Highly Atroposelective Rhodium(II)-Catalyzed N–H Bond Insertion: Access to Axially Chiral N-Arylindolocarbazoles. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01232] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Qiao Ren
- Institute of Medicinal Plant Development, Chinese Academy of Medical Science &Peking Union Medical College, Beijing 100193, People’s Republic of China
- College of Pharmaceutical Science, Southwest University, Chongqing 400715, People’s Republic of China
| | - Tingting Cao
- Institute of Medicinal Plant Development, Chinese Academy of Medical Science &Peking Union Medical College, Beijing 100193, People’s Republic of China
| | - Chunnian He
- Institute of Medicinal Plant Development, Chinese Academy of Medical Science &Peking Union Medical College, Beijing 100193, People’s Republic of China
| | - Meihua Yang
- Institute of Medicinal Plant Development, Chinese Academy of Medical Science &Peking Union Medical College, Beijing 100193, People’s Republic of China
| | - Haitao Liu
- Institute of Medicinal Plant Development, Chinese Academy of Medical Science &Peking Union Medical College, Beijing 100193, People’s Republic of China
| | - Lei Wang
- Institute of Medicinal Plant Development, Chinese Academy of Medical Science &Peking Union Medical College, Beijing 100193, People’s Republic of China
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44
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Cheng HC, Zhou L, Zhou X, Ma JL, Guo P, Zhang Y, Ji HB. Ligand-free copper-catalyzed direct amidation of diaryliodonium salts using nitriles as amidation reagents. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153048] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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45
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Bi X, Feng J, Xue X, Gu Z. Construction of Axial Chirality and Silicon-Stereogenic Center via Rh-Catalyzed Asymmetric Ring-Opening of Silafluorenes. Org Lett 2021; 23:3201-3206. [PMID: 33787278 DOI: 10.1021/acs.orglett.1c00935] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A rhodium-catalyzed enantioselective ring-opening/acylation of silafluorenes is reported. The newly developed bulky phosphoramidite ligand, in combination with methanol as the additive, enabled the reaction to create one axial chirality and one silicon-stereogenic center in a highly selective manner by only cleavage of one Si-C bond.
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Affiliation(s)
- Xiufen Bi
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, Center for Excellence in Molecular Synthesis, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P.R. China
| | - Jia Feng
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, Center for Excellence in Molecular Synthesis, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P.R. China
| | - Xiaoping Xue
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, Center for Excellence in Molecular Synthesis, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P.R. China
| | - Zhenhua Gu
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, Center for Excellence in Molecular Synthesis, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P.R. China.,Ocean College, Minjiang University, Fuzhou, Fujian 350108, P.R. China
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46
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Cheng JK, Xiang SH, Li S, Ye L, Tan B. Recent Advances in Catalytic Asymmetric Construction of Atropisomers. Chem Rev 2021; 121:4805-4902. [PMID: 33775097 DOI: 10.1021/acs.chemrev.0c01306] [Citation(s) in RCA: 388] [Impact Index Per Article: 129.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Atropisomerism is a stereochemical behavior portrayed by three-dimensional molecules that bear rotationally restricted σ bond. Akin to the well-represented point-chiral molecules, atropisomerically chiral compounds are finding increasing utilities in many disciplines where molecular asymmetry is influential. This provides steady demand on atroposelective synthesis, where numerous synthetic pursuits have been rewarded with conceptually novel and streamlined methods while expanding the structural diversity of atropisomers. This review summarizes key achievements in stereoselective preparation of biaryl, heterobiaryl, and nonbiaryl atropisomers documented between 2015 and 2020. Emphasis is placed on the synthetic strategies for each structural class, while examples are cited to illustrate the potential applications of the accessed atropochiral targets.
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Affiliation(s)
- Jun Kee Cheng
- Department of Chemistry and Shenzhen Grubbs Institute, Southern University of Science and Technology, Shenzhen 518055, China
| | - Shao-Hua Xiang
- Department of Chemistry and Shenzhen Grubbs Institute, Southern University of Science and Technology, Shenzhen 518055, China.,Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology, Shenzhen 518055, China
| | - Shaoyu Li
- Department of Chemistry and Shenzhen Grubbs Institute, Southern University of Science and Technology, Shenzhen 518055, China.,Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology, Shenzhen 518055, China
| | - Liu Ye
- Department of Chemistry and Shenzhen Grubbs Institute, Southern University of Science and Technology, Shenzhen 518055, China.,Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology, Shenzhen 518055, China
| | - Bin Tan
- Department of Chemistry and Shenzhen Grubbs Institute, Southern University of Science and Technology, Shenzhen 518055, China
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47
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Duan L, Wang Z, Zhao K, Gu Z. Enantioselective preparation of atropisomeric biaryl trifluoromethylsulfanes via ring-opening of cyclic diaryliodoniums. Chem Commun (Camb) 2021; 57:3881-3884. [PMID: 33871504 DOI: 10.1039/d1cc00171j] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Two convenient and practical methods for the synthesis of axially chiral biaryls bearing the trifluoromethylthio group are reported. A Cu-catalyzed enantioselective ring-opening reaction of cyclic diaryliodoniums with CsSCF3 enables the direct synthesis of trifluoromethylthiolated biaryl atropisomers in high yields and enantioselectivity. For unsymmetric cyclic diaryliodoniums bearing an adjacent group to the C-I bond, a two-step procedure is required to achieve good regio- and enantioselectivity.
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Affiliation(s)
- Longhui Duan
- Department of Chemistry, Center for Excellence in Molecular Synthesis (Chinese Academy of Science), and Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China.
| | - Zhonggui Wang
- Department of Chemistry, Center for Excellence in Molecular Synthesis (Chinese Academy of Science), and Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China.
| | - Kun Zhao
- Department of Chemistry, Center for Excellence in Molecular Synthesis (Chinese Academy of Science), and Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China.
| | - Zhenhua Gu
- Department of Chemistry, Center for Excellence in Molecular Synthesis (Chinese Academy of Science), and Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China.
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48
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Ke J, Zu B, Guo Y, Li Y, He C. Hexafluoroisopropanol-Enabled Copper-Catalyzed Asymmetric Halogenation of Cyclic Diaryliodoniums for the Synthesis of Axially Chiral 2,2'-Dihalobiaryls. Org Lett 2021; 23:329-333. [PMID: 33372799 DOI: 10.1021/acs.orglett.0c03833] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
An efficient asymmetric halogenation of cyclic diaryliodonium salts is demonstrated, which gives access to a wide range of axially chiral 2,2'-dihalobiaryls in good to excellent yields and with excellent enantioselectivities. The use of CuX with chiral bisoxazoline ligand and tetrabutylammonium halides in the unique solvent of hexafluoroisopropanol (HFIP) led to the best results in the process. The axially chiral 2,2'-dihalobiaryls can be transformed into a number of enantiopure chiral ligands that could be potentially useful in asymmetric catalysis.
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Affiliation(s)
- Jie Ke
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Bing Zu
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Yonghong Guo
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Yingzi Li
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Chuan He
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
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49
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Zhao Q, Peng C, Wang YT, Zhan G, Han B. Recent progress on the construction of axial chirality through transition-metal-catalyzed benzannulation. Org Chem Front 2021. [DOI: 10.1039/d1qo00307k] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Useful chiral biaryls have been constructed through rhodium and gold complex-catalyzed asymmetric benzannulation strategies.
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Affiliation(s)
- Qian Zhao
- State Key Laboratory of Southwestern Chinese Medicine Resources
- Hospital of Chengdu University of Traditional Chinese Medicine
- School of Basic Medical Sciences
- Chengdu University of Traditional Chinese Medicine
- Chengdu 611137
| | - Cheng Peng
- State Key Laboratory of Southwestern Chinese Medicine Resources
- Hospital of Chengdu University of Traditional Chinese Medicine
- School of Basic Medical Sciences
- Chengdu University of Traditional Chinese Medicine
- Chengdu 611137
| | - Yu-Ting Wang
- State Key Laboratory of Southwestern Chinese Medicine Resources
- Hospital of Chengdu University of Traditional Chinese Medicine
- School of Basic Medical Sciences
- Chengdu University of Traditional Chinese Medicine
- Chengdu 611137
| | - Gu Zhan
- State Key Laboratory of Southwestern Chinese Medicine Resources
- Hospital of Chengdu University of Traditional Chinese Medicine
- School of Basic Medical Sciences
- Chengdu University of Traditional Chinese Medicine
- Chengdu 611137
| | - Bo Han
- State Key Laboratory of Southwestern Chinese Medicine Resources
- Hospital of Chengdu University of Traditional Chinese Medicine
- School of Basic Medical Sciences
- Chengdu University of Traditional Chinese Medicine
- Chengdu 611137
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50
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Zhu K, Song Z, Wang Y, Zhang F. Synthesis of 2,2′-Dihalobiaryls via Cu-Catalyzed Halogenation of Cyclic Diaryliodonium Salts. Org Lett 2020; 22:9356-9359. [DOI: 10.1021/acs.orglett.0c03614] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Kai Zhu
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Zongqiang Song
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Yi Wang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Fengzhi Zhang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, P. R. China
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