1
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Su L, Gao S, Liu J. Enantioconvergent synthesis of axially chiral amides enabled by Pd-catalyzed dynamic kinetic asymmetric aminocarbonylation. Nat Commun 2024; 15:7248. [PMID: 39179590 PMCID: PMC11344157 DOI: 10.1038/s41467-024-51717-8] [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: 04/16/2024] [Accepted: 08/16/2024] [Indexed: 08/26/2024] Open
Abstract
Atropisomeric biaryls bearing carbonyl groups have attracted increasing attention due to their prevalence in diverse bioactive molecules and crucial role as efficient organo-catalysts or ligands in asymmetric transformations. However, their preparation often involves tedious multiple steps, and the direct synthesis via asymmetric carbonylation has scarcely been investigated. Herein, we report an efficient palladium-catalyzed enantioconvergent aminocarbonylation of racemic heterobiaryl triflates with amines via dynamic kinetic asymmetric transformation (DyKAT). This protocol features a broad substrate scope and excellent compatibility for rapid construction of axially chiral amides in good to high yields with excellent enantioselectivities. Detailed mechanistic investigations discover that the base can impede the intramolecular hydrogen bond-assisted axis rotation of the products, thus allowing for the success to achieve high enantioselectivity. Moreover, the achieved axially chiral heterobiaryl amides can be directly utilized as N,N,N-pincer ligands in copper-catalyzed enantioselective formation of C(sp3)-N and C(sp3)-P bonds.
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Affiliation(s)
- Lei Su
- Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University, Shanghai, China
| | - Shen Gao
- Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University, Shanghai, China
| | - Jiawang Liu
- Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Chemistry and Chemical Engineering, Zhangjiang Institute for Advanced Study, Shanghai Jiao Tong University, Shanghai, China.
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2
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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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3
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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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4
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Wen W, Yang C, Wu Z, Xiao D, Guo Q. Bifunctional Squaramide-Catalyzed Oxidative Kinetic Resolution: Simultaneous Access to Axially Chiral Thioether and Sulfoxide. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2402429. [PMID: 38751149 PMCID: PMC11267355 DOI: 10.1002/advs.202402429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 04/18/2024] [Indexed: 07/25/2024]
Abstract
Axially chiral thioethers and sulfoxides emerge as two pivotal classes of ligands and organocatalysts, which have remarkable features in the stereoinduction of various asymmetric transformations. However, the lack of easy methods to access such molecules with diverse structures has hampered their broader utilization. Herein, an oxidative kinetic resolution for sulfides using a chiral bifunctional squaramide as the catalyst with cumene hydroperoxide as the terminal oxidant is established. This asymmetric approach provides a variety of axially chiral thioethers as well as sulfoxides bearing both axial and central chirality, with excellent diastereo- and enantioselectivities. This catalytic system also successfully extends to the kinetic resolution of benzothiophene-based sulfides. Preliminary mechanism investigation indicates that the multiple hydrogen bonding interactions between the bifunctional squaramide catalyst and substrates play a crucial role in determining the enantioselectivity and reactivity.
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Affiliation(s)
- Wei Wen
- Key Laboratory of Applied Chemistry of Chongqing MunicipalityChongqing Key Laboratory of Soft‐Matter Material ManufacturingSchool of Chemistry and Chemical EngineeringSouthwest UniversityChongqing400715China
| | - Chang‐Lin Yang
- School of Chemistry and Chemical EngineeringSouthwest UniversityChongqing400715China
| | - Zhu‐Lian Wu
- School of Chemistry and Chemical EngineeringSouthwest UniversityChongqing400715China
| | - Dong‐Rong Xiao
- School of Chemistry and Chemical EngineeringSouthwest UniversityChongqing400715China
| | - Qi‐Xiang Guo
- Key Laboratory of Applied Chemistry of Chongqing MunicipalityChongqing Key Laboratory of Soft‐Matter Material ManufacturingSchool of Chemistry and Chemical EngineeringSouthwest UniversityChongqing400715China
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5
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Sun J, Yan Y, Chen X, Huang Z, Huang Y. Palladium-catalyzed regio- and stereo-selective phosphination of cyclic biarylsulfonium salts to access atropoisomeric phosphines. Chem Sci 2024; 15:6943-6948. [PMID: 38725501 PMCID: PMC11077574 DOI: 10.1039/d4sc00446a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Accepted: 04/08/2024] [Indexed: 05/12/2024] Open
Abstract
A palladium-catalyzed regio- and stereo-selective phosphination of cyclic biarylsulfonium salts (racemic) with HPAr3Ar4 for straightforward synthesis of atropoisomeric phosphines (P,S-ligands) bearing a stereogenic axis or both a stereogenic axis and a P-stereogenic center is reported. The high reactivity and regio- and stereo-selectivity originate from the torsional strain release and palladium catalysis, and the construction of a P-stereogenic center is enabled by an efficient dynamic kinetic resolution. The high performance of the nascent P,S-ligands has been demonstrated in palladium-catalyzed asymmetric allylic substitutions, indicating the great potential of the present methodology.
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Affiliation(s)
- Jinghui Sun
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University Hangzhou 311121 P. R. China
| | - Yifei Yan
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University Hangzhou 311121 P. R. China
| | - Xuanxuan Chen
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University Hangzhou 311121 P. R. China
| | - Zhiwei Huang
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University Hangzhou 311121 P. R. China
| | - Yinhua Huang
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University Hangzhou 311121 P. R. China
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6
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Deng R, Dong P, Ge J, Zhang W, Xue X, Duan L, Shi L, Gu Z. Regio- and Atroposelective Ring-Opening of 1H-Benzo[4,5]oxazolopyridinones. Angew Chem Int Ed Engl 2024; 63:e202402231. [PMID: 38407456 DOI: 10.1002/anie.202402231] [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: 01/31/2024] [Revised: 02/21/2024] [Accepted: 02/21/2024] [Indexed: 02/27/2024]
Abstract
The development of new methods for regio- and stereoselective activation of C-O bonds in ethers holds significant promise for synthetic chemistry, offering advantages in terms of environmental sustainability and economic efficiency. Moreover, the C-N atropisomers represent a fascinating and crucial chiral system, extensively found in natural products, pharmaceutical leads, and the frameworks of advanced materials. In this work, we have introduced a nickel-catalyzed regio- and enantioselective carbon-oxygen arylation reaction for atroposelective synthesis of N-arylisoquinoline-1,3(2H,4H)-diones. The high regioselectivity of C-O cleavage benefits from the high stability of the in situ formed (amido)ethenolate via oxidative addition. Additionally, the self-activation of the aryl C-O bond facilitates the reaction under mild conditions, leading to outstanding enantioselectivities. The diverse post-functionalizations of the axially chiral isoquinoline-1,3(2H,4H)-diones further highlighted the utility of this protocol in preparing valuable C-N atropisomers, including the chiral phosphine ligands.
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Affiliation(s)
- Ruixian Deng
- College of Chemistry and Institute of Green Catalysis, Zhengzhou University, Zhengzhou, Henan, 450001, China
| | - Puyang Dong
- College of Chemistry and Institute of Green Catalysis, Zhengzhou University, Zhengzhou, Henan, 450001, China
| | - Jimeng Ge
- College of Chemistry and Institute of Green Catalysis, Zhengzhou University, Zhengzhou, Henan, 450001, China
| | - Wenjing Zhang
- College of Chemistry and Institute of Green Catalysis, Zhengzhou University, Zhengzhou, Henan, 450001, China
| | - Xiaoping Xue
- College of Sciences and College of Forestry, Henan Agricultural University, Zhengzhou, Henan, 450001, China
| | - Longhui Duan
- Department of Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Linlin Shi
- College of Chemistry and Institute of Green Catalysis, Zhengzhou University, Zhengzhou, Henan, 450001, China
| | - Zhenhua Gu
- Department of Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, China
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7
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Yang Y, Wu C, Xing J, Dou X. Developing Biarylhemiboronic Esters for Biaryl Atropisomer Synthesis via Dynamic Kinetic Atroposelective Suzuki-Miyaura Cross-Coupling. J Am Chem Soc 2024; 146:6283-6293. [PMID: 38381856 DOI: 10.1021/jacs.3c14450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
We herein introduce biarylhemiboronic esters as a new type of bridged biaryl reagent for asymmetric synthesis of axially chiral biaryl structures, and the palladium-catalyzed asymmetric Suzuki-Miyaura cross-coupling of biarylhemiboronic esters is developed. This dynamic kinetic atroposelective coupling reaction exhibits high enantioselectivity, good functional group tolerance, and a broad substrate scope. The synthetic application of the current method was demonstrated by transformations of the product and a programmed synthesis of chiral polyarene. Preliminary mechanistic studies suggested that the reaction proceeded via an enantio-determining dynamic kinetic atroposelective transmetalation step.
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Affiliation(s)
- Yiming Yang
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Changhui Wu
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Junhao Xing
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing 211198, P. R. China
| | - Xiaowei Dou
- Department of Chemistry, School of Science, China Pharmaceutical University, Nanjing 211198, P. R. China
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8
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Dong Z, Ma X, Yu Y, Gu X, Zhao D. The Effect of Intramolecular Hydrogen Bonds on the Rotational Barriers of the Biaryl C-C Axis. Chemistry 2023; 29:e202302292. [PMID: 37548253 DOI: 10.1002/chem.202302292] [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: 07/18/2023] [Revised: 08/04/2023] [Accepted: 08/06/2023] [Indexed: 08/08/2023]
Abstract
Axially chiral compounds are attracting more attention recently. Although hydrogen bonds are reported as a vital weak force that influences the properties of compounds, the effect of intramolecular hydrogen bonds on the atropisomerization of the Caryl -Caryl single bonds has not yet been well quantitatively investigated. Here, a series of axially chiral biaryl compounds were synthesized to study the effect of hydrogen bonds on the rotational barriers of the biaryl C-C axis. Experimental studies demonstrated that the rotational barrier of hydrogen bonding biaryl 9 was significantly lower (46.7 kJ mol-1 ) than biaryl 10 without hydrogen bonds. Furthermore, theoretical studies revealed that the intramolecular hydrogen bond stabilized the transition state (TS) of tri-ortho-substituted biaryl 9, relieving the steric repulsion in the TS. We believe that this study will provide chemists with a deeper understanding of the atropisomerization process of axially chiral biaryl compounds.
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Affiliation(s)
- Zheng Dong
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Xiaoqiang Ma
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Yueyang Yu
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Xubin Gu
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Depeng Zhao
- Guangdong Provincial Key Laboratory of Chiral Molecule and Drug Discovery, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
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9
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Pang L, Wang C, Ma C, Liu J, Shi M, Yao C, Yu J, Li Q. Palladium-Catalyzed Modular Assembly of P-Stereogenic and Axially Chiral Phosphinooxazoles (PHOX) Ligands by C-P Bond Cleavage/Intermolecular C(sp 2)-H Bond Functionalization. Org Lett 2023; 25:7705-7710. [PMID: 37831783 DOI: 10.1021/acs.orglett.3c02998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2023]
Abstract
Chiral P,N-ligands are of great interest and importance in the fields of metal-catalyzed enantioselective transformations and have found numerous applications spanning drug and polymer synthesis. Here, modular assembly of diverse P-stereogenic and axially chiral phosphinooxazoles ligands is achieved through palladium-catalyzed asymmetric cleavage of C-P bond/intermolecular C-H bond functionalization in high atroposelectivities and diastereoselectivities of up to >99% ee and >25:1 dr. This protocol features broad substrate scope and provides an avenue for facile construction of new P-stereogenic and axially chiral phosphinooxazoles ligands directly from the phosphonium salts and benzoxazoles/benzothiazoles. Evaluation of the synthesized P-stereogenic and axially chiral phosphinooxazoles ligands in two model catalytic asymmetric reactions illustrates the potential of our strategy to access valuable chiral molecules.
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Affiliation(s)
- Liangzhi Pang
- Department of Applied Chemistry and School of Plant Protection, Anhui Agricultural University, Hefei 230036, China
| | - Chun Wang
- Department of Applied Chemistry, Anhui Agricultural University, Hefei 230036, China
| | - Congyue Ma
- Department of Applied Chemistry, Anhui Agricultural University, Hefei 230036, China
| | - Jiaojiao Liu
- Department of Applied Chemistry and School of Plant Protection, Anhui Agricultural University, Hefei 230036, China
| | - Mengke Shi
- Department of Applied Chemistry, Anhui Agricultural University, Hefei 230036, China
| | - Chuanzhi Yao
- Department of Applied Chemistry, Anhui Agricultural University, Hefei 230036, China
| | - Jie Yu
- Department of Applied Chemistry, 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
| | - Qiankun Li
- Department of Applied Chemistry, 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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10
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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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11
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Chen L, Shi C, Li W, Li B, Zhu J, Lin A, Yao H. Palladium-Catalyzed Asymmetric C–C Bond Activation/Carbonylation of Cyclobutanones. Org Lett 2022; 24:9157-9162. [DOI: 10.1021/acs.orglett.2c04017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Long Chen
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 210009, People’s Republic of China
| | - Cong Shi
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 210009, People’s Republic of China
| | - Wei Li
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 210009, People’s Republic of China
| | - Bo Li
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 210009, People’s Republic of China
| | - Jie Zhu
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 210009, People’s Republic of China
| | - Aijun Lin
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 210009, People’s Republic of China
| | - Hequan Yao
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 210009, People’s Republic of China
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12
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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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13
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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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14
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Zhu J, Ye Y, Huang Y. Palladacycle-Catalyzed Olefinic C–P Cross-Coupling of Alkenylsulfonium Salts with Diarylphosphines to Access Alkenylphosphines. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00330] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jie Zhu
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou 311121, People’s Republic of China
| | - Yun Ye
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou 311121, People’s Republic of China
| | - Yinhua Huang
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou 311121, People’s Republic of China
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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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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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