1
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Wang JY, Gao CH, Ma C, Wu XY, Ni SF, Tan W, Shi F. Design and Catalytic Asymmetric Synthesis of Furan-Indole Compounds Bearing both Axial and Central Chirality. Angew Chem Int Ed Engl 2024; 63:e202316454. [PMID: 38155472 DOI: 10.1002/anie.202316454] [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: 10/31/2023] [Revised: 12/27/2023] [Accepted: 12/28/2023] [Indexed: 12/30/2023]
Abstract
In the chemistry community, catalytic asymmetric synthesis of furan-based compounds bearing both axial and central chirality has proven to be a significant but challenging issue owing to the importance and difficulty in constructing such frameworks. In this work, we have realized the first catalytic asymmetric synthesis of five-five-membered furan-based compounds bearing both axial and central chirality via organocatalytic asymmetric (2+4) annulation of achiral furan-indoles with 2,3-indolyldimethanols with uncommon regioselectivity. By this strategy, furan-indole compounds bearing both axial and central chirality were synthesized in high yields with excellent regio-, diastereo-, and enantioselectivities. Moreover, theoretical calculations were conducted to provide an in-depth understanding of the reaction pathway, activation mode, and the origin of the selectivity.
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Affiliation(s)
- Jing-Yi Wang
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, 221116, China
| | - Cong-Hui Gao
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, 221116, China
| | - Cheng Ma
- Department of Chemistry, Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou, 515063, China
| | - Xin-Yue Wu
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, 221116, China
| | - Shao-Fei Ni
- Department of Chemistry, Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou, 515063, China
| | - Wei Tan
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, 221116, China
| | - Feng Shi
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, 221116, China
- School of Petrochemical Engineering, Changzhou University, Changzhou, 213164, China
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, 453007, China
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2
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Rathi K, Shukla M, Hassam M, Shrivastava R, Rawat V, Prakash Verma V. Recent advances in the synthesis and antimalarial activity of 1,2,4-trioxanes. Bioorg Chem 2024; 143:107043. [PMID: 38134523 DOI: 10.1016/j.bioorg.2023.107043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 11/29/2023] [Accepted: 12/15/2023] [Indexed: 12/24/2023]
Abstract
The increasing resistance of various malarial parasite strains to drugs has made the production of a new, rapid-acting, and efficient antimalarial drug more necessary, as the demand for such drugs is growing rapidly. As a major global health concern, various methods have been implemented to address the problem of drug resistance, including the hybrid drug concept, combination therapy, the development of analogues of existing medicines, and the use of drug resistance reversal agents. Artemisinin and its derivatives are currently used against multidrug- resistant P. falciparum species. However, due to its natural origin, its use has been limited by its scarcity in natural resources. As a result, finding a substitute becomes more crucial, and the peroxide group in artemisinin, responsible for the drugs biological action in the form of 1,2,4-trioxane, may hold the key to resolving this issue. The literature suggests that 1,2,4-trioxanes have the potential to become an alternative to current malaria drugs, as highlighted in this review. This is why 1,2,4-trioxanes and their derivatives have been synthesized on a large scale worldwide, as they have shown promising antimalarial activity in vivo and in vitro against Plasmodium species. Consequently, the search for a more convenient, environment friendly, sustainable, efficient, and effective synthetic pathway for the synthesis of 1,2,4-trioxanes continues. The aim of this work is to provide a comprehensive analysis of the synthesis and mechanism of action of 1,2,4-trioxanes. This systematic review highlights the most recent summaries of derivatives of 1,2,4-trioxane compounds and dimers with potential antimalarial activity from January 1988 to 2023.
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Affiliation(s)
- Komal Rathi
- Department of Chemistry, Banasthali University, Banasthali Newai 304022, Rajasthan, India
| | - Monika Shukla
- Department of Chemistry, Banasthali University, Banasthali Newai 304022, Rajasthan, India
| | | | - Rahul Shrivastava
- Department of Chemistry, Manipal University Jaipur, Jaipur (Rajasthan), VPO- Dehmi-Kalan, Off Jaipur-Ajmer Express Way, Jaipur, Rajasthan 30300, India
| | - Varun Rawat
- School of Chemistry, Tel Aviv University, Tel Aviv 6997801, Israel.
| | - Ved Prakash Verma
- Department of Chemistry, Banasthali University, Banasthali Newai 304022, Rajasthan, India.
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3
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Lin X, Woldegiorgis AG. An acid for an acid. Nat Chem 2023; 15:1655-1656. [PMID: 38036647 DOI: 10.1038/s41557-023-01370-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Affiliation(s)
- Xufeng Lin
- Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, Hangzhou, China.
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4
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Zheng WF, Chen J, Qi X, Huang Z. Modular and diverse synthesis of amino acids via asymmetric decarboxylative protonation of aminomalonic acids. Nat Chem 2023; 15:1672-1682. [PMID: 37973941 DOI: 10.1038/s41557-023-01362-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 10/06/2023] [Indexed: 11/19/2023]
Abstract
Stereoselective protonation is a challenge in asymmetric catalysis. The small size and high rate of transfer of protons mean that face-selective delivery to planar intermediates is hard to control, but it can unlock previously obscure asymmetric transformations. Particularly, when coupled with a preceding decarboxylation, enantioselective protonation can convert the abundant acid feedstocks into structurally diverse chiral molecules. Here an anchoring group strategy is demonstrated as a potential alternative and supplement to the conventional structural modification of catalysts by creating additional catalyst-substrate interactions. We show that a tailored benzamide group in aminomalonic acids can help build a coordinated network of non-covalent interactions, including hydrogen bonds, π-π interactions and dispersion forces, with a chiral acid catalyst. This allows enantioselective decarboxylative protonation to give α-amino acids. The malonate-based synthesis introduces side chains via a facile substitution of aminomalonic esters and thus can access structurally and functionally diverse amino acids.
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Affiliation(s)
- Wei-Feng Zheng
- State Key Laboratory of Synthetic Chemistry, Department of Chemistry, The University of Hong Kong, Hong Kong, China
| | - Jingdan Chen
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, China
| | - Xiaotian Qi
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, China.
| | - Zhongxing Huang
- State Key Laboratory of Synthetic Chemistry, Department of Chemistry, The University of Hong Kong, Hong Kong, China.
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5
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Rui K, Gu H, Woldegiorgis AG, Lin X. Organocatalytic Tandem Synthesis of Chiral Hexacyclic Bisindoles from Propargylic 3-Methyleneindoles with 2-Indolylmethanols. Org Lett 2023; 25:6654-6658. [PMID: 37671836 DOI: 10.1021/acs.orglett.3c02476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/07/2023]
Abstract
A novel chiral phosphoric acid-catalyzed tandem regioselective 1,6-addition/double intramolecular nucleophilic addition annulation of the propargylic 3-methyleneindoles in situ generated from α-indolyl propargylic alcohols with 2-indolylmethanols has been developed. The methodology afforded the new chiral trifluoromethyl pentalenobisindoles bearing an all-carbon quaternary stereogenic center in generally good yields with excellent enantioselectivities.
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Affiliation(s)
- Kanghua Rui
- Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Haorui Gu
- Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | | | - Xufeng Lin
- Department of Chemistry, Zhejiang University, Hangzhou 310058, China
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6
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Zhang JY, Chen JY, Gao CH, Yu L, Ni SF, Tan W, Shi F. Asymmetric (4+n) Cycloadditions of Indolyldimethanols for the Synthesis of Enantioenriched Indole-Fused Rings. Angew Chem Int Ed Engl 2023; 62:e202305450. [PMID: 37345905 DOI: 10.1002/anie.202305450] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 06/22/2023] [Accepted: 06/22/2023] [Indexed: 06/23/2023]
Abstract
Catalytic asymmetric construction of chiral indole-fused rings has become an important issue in the chemical community because of the significance of such scaffolds. In this work, we have accomplished the first catalytic asymmetric (4+2) and (4+3) cycloadditions of 2,3-indolyldimethanols by using indoles and 2-naphthols as suitable reaction partners under the catalysis of chiral phosphoric acids, constructing enantioenriched indole-fused six-membered and seven-membered rings in high yields with excellent enantioselectivities. In addition, this approach is used to realize the first enantioselective construction of challenging tetrahydroindolocarbazole scaffolds, which are found to show promising anticancer activity. More importantly, theoretical calculations of the reaction pathways and activation mode offer an in-depth understanding of this class of indolylmethanols. This work not only settles the challenges in realizing catalytic asymmetric cycloadditions of indolyldimethanols but also provides a powerful strategy for the construction of enantioenriched indole-fused rings.
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Affiliation(s)
- Jia-Yi Zhang
- School of Chemistry and Materials Science, Jiangsu Normal University, 221116, Xuzhou, China
| | - Jia-Yi Chen
- Department of Chemistry, Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, 515063, Shantou, China
| | - Cong-Hui Gao
- School of Chemistry and Materials Science, Jiangsu Normal University, 221116, Xuzhou, China
| | - Lei Yu
- School of Chemistry and Materials Science, Jiangsu Normal University, 221116, Xuzhou, China
| | - Shao-Fei Ni
- Department of Chemistry, Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, 515063, Shantou, China
| | - Wei Tan
- School of Chemistry and Materials Science, Jiangsu Normal University, 221116, Xuzhou, China
| | - Feng Shi
- School of Chemistry and Materials Science, Jiangsu Normal University, 221116, Xuzhou, China
- School of Petrochemical Engineering, Changzhou University, 213164, Changzhou, China
- School of Chemistry and Chemical Engineering, Henan Normal University, 453007, Xinxiang, China
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7
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Jiaping J, Woldegiorgis AG, Lin X. Chiral spirocyclic phosphoric acid-catalyzed enantioselective synthesis of heterotriarylmethanes bearing an amino acid moiety. RSC Adv 2023; 13:18964-18973. [PMID: 37362600 PMCID: PMC10285616 DOI: 10.1039/d3ra03480a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 06/17/2023] [Indexed: 06/28/2023] Open
Abstract
We present herein an enantioselective protocol for the chiral phosphoric acid-catalyzed addition of 3-arylisoxazol-5-amines to highly reactive 3-methide-3H-pyrroles to provide a diverse range of heterotriarylmethanes bearing an amino acid moiety in good yields (up to 97%) and high enantioselectivities (up to 93% ee) under mild conditions. The chiral spirocyclic phosphoric acid is crucial in converting the initial 1H-pyrrol-3-yl carbinols into reactive 3-methide-3H-pyrroles and obtaining the good enantiocontrol, thereby facilitating the desired enantioselective transformation.
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Affiliation(s)
- Jin Jiaping
- Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University Hangzhou 310058 China
| | | | - Xufeng Lin
- Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University Hangzhou 310058 China
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8
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Woldegiorgis AG, Gu H, Lin X. Atroposelective Synthesis of Axially Chiral Styrenes Connecting an Axially Chiral Naphthyl-indole Moiety Using Chiral Phosphoric Acid Catalysis. Org Lett 2023; 25:2068-2072. [PMID: 36940485 DOI: 10.1021/acs.orglett.3c00425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2023]
Abstract
The organocatalytic asymmetric reactions of C2-unsubstituted racemic naphthyl-indoles with orthoalkynylnaphthols were employed to synthesize axially chiral styrenes connected to an axially chiral naphthyl-indole unit. Utilizing chiral phosphoric acid as the catalyst, these axially chiral styrenes were prepared in good yields (up to 96%) and excellent stereoselectivity (up to >99.9% ee, >20:1 dr, and >99:1 E/Z) in mild conditions. Moreover, further synthetic transformations were achieved with high yields and excellent stereocontrol.
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Affiliation(s)
| | - Haorui Gu
- Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Xufeng Lin
- Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
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9
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Yang X, Liu G, Xiang X, Xie D, Han J, Han Z, Dong XQ. Ni-Catalyzed Asymmetric Hydrogenation of α-Substituted α,β-Unsaturated Phosphine Oxides/Phosphonates/Phosphoric Acids. Org Lett 2023; 25:738-743. [PMID: 36716390 DOI: 10.1021/acs.orglett.2c04105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Efficient Ni/(S,S)-Ph-BPE-catalyzed asymmetric hydrogenation of α-substituted α,β-unsaturated phosphine oxides/phosphonates/phosphoric acids has been successfully developed, and a wide range of chiral α-substituted phosphines hydrogenation products were obtained in generally high yields with excellent enantioselective control (92%-99% yields, 84%->99% ee). This method features a cheap transition metal nickel catalytic system, high functional group tolerance, wide substrate scope generality, and excellent enantioselectivity. A plausible catalytic cycle was proposed for this asymmetric hydrogenation according to the results of deuterium-labeling experiments.
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Affiliation(s)
- Xuanliang Yang
- College of Chemistry and Molecular Sciences, Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, Wuhan University, Wuhan, Hubei 430072, P.R. China
| | - Gang Liu
- College of Chemistry and Molecular Sciences, Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, Wuhan University, Wuhan, Hubei 430072, P.R. China
| | - Xun Xiang
- College of Chemistry and Molecular Sciences, Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, Wuhan University, Wuhan, Hubei 430072, P.R. China
| | - Dezheng Xie
- College of Chemistry and Molecular Sciences, Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, Wuhan University, Wuhan, Hubei 430072, P.R. China
| | - Jinyu Han
- College of Chemistry and Molecular Sciences, Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, Wuhan University, Wuhan, Hubei 430072, P.R. China
| | - Zhengyu Han
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, P.R. China
| | - Xiu-Qin Dong
- College of Chemistry and Molecular Sciences, Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, Wuhan University, Wuhan, Hubei 430072, P.R. China
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10
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Chiral phosphoric acid-catalyzed enantioselective phosphinylation of 3,4-dihydroisoquinolines with diarylphosphine oxides. Commun Chem 2023; 6:26. [PMID: 36759563 PMCID: PMC9911717 DOI: 10.1038/s42004-023-00826-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 01/31/2023] [Indexed: 02/11/2023] Open
Abstract
Chiral phosphorous-containing compounds are playing a more and more significant role in several different research fields. Here, we show a chiral phosphoric acid-catalyzed enantioselective phosphinylation of 3,4-dihydroisoquinolines with diarylphosphine oxides for the efficient and practical construction of a family of chiral α-amino diarylphosphine oxides with a diverse range of functional groups. The phosphine products are suitable for transforming to several kinds of chiral (thio)ureas, which might be employed as chiral ligands or catalysts with potential applications in asymmetric catalysis. Control and NMR tracking experiments show that the reaction proceeds via the tert-butyl 1-(tert-butoxy)-3,4-dihydroiso-quinoline-2(1H)-carboxylate intermediate, followed by C-P bond formation. Furthermore, computational studies elucidated that the hydrogen bonding strength between the phosphonate and isoquinolinium determines the stereoselectivity of the phosphinylation reaction.
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11
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Chen ZH, Li TZ, Wang NY, Ma XF, Ni SF, Zhang YC, Shi F. Organocatalytic Enantioselective Synthesis of Axially Chiral N,N'-Bisindoles. Angew Chem Int Ed Engl 2023; 62:e202300419. [PMID: 36749711 DOI: 10.1002/anie.202300419] [Citation(s) in RCA: 29] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 02/05/2023] [Accepted: 02/06/2023] [Indexed: 02/08/2023]
Abstract
This study establishes the first organocatalytic enantioselective synthesis of axially chiral N,N'-bisindoles via chiral phosphoric acid-catalyzed formal (3+2) cycloadditions of indole-based enaminones as novel platform molecules with 2,3-diketoesters, where de novo indole-ring formation is involved. Using this new strategy, various axially chiral N,N'-bisindoles were synthesized in good yields and with excellent enantioselectivities (up to 87 % yield and 96 % ee). More importantly, this class of axially chiral N,N'-bisindoles exhibited some degree of cytotoxicity toward cancer cells and was derived into axially chiral phosphine ligands with high catalytic activity. This study provides a new strategy for enantioselective synthesis of axially chiral N,N'-bisindoles using asymmetric organocatalysis and is the first to realize the applications of such scaffolds in medicinal chemistry and asymmetric catalysis.
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Affiliation(s)
- Zhi-Han Chen
- Research Center of Chiral Functional Heterocycles, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, 221116, China
| | - Tian-Zhen Li
- Research Center of Chiral Functional Heterocycles, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, 221116, China.,School of Petrochemical Engineering, Changzhou University, Changzhou, 213164, China
| | - Ning-Yi Wang
- Research Center of Chiral Functional Heterocycles, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, 221116, China
| | - Xiao-Fang Ma
- Research Center of Chiral Functional Heterocycles, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, 221116, China
| | - Shao-Fei Ni
- Department of Chemistry, Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou, 515063, China
| | - Yu-Chen Zhang
- Research Center of Chiral Functional Heterocycles, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, 221116, China
| | - Feng Shi
- Research Center of Chiral Functional Heterocycles, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, 221116, China.,School of Petrochemical Engineering, Changzhou University, Changzhou, 213164, China
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12
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Wang HQ, Wu SF, Yang JR, Zhang YC, Shi F. Design and Organocatalytic Asymmetric Synthesis of Indolyl-Pyrroloindoles Bearing Both Axial and Central Chirality. J Org Chem 2022. [DOI: 10.1021/acs.joc.2c02303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Affiliation(s)
- Hai-Qing Wang
- Research Center of Chiral Functional Heterocycles, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, 221116, China
| | - Shu-Fang Wu
- Research Center of Chiral Functional Heterocycles, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, 221116, China
| | - Jun-Ru Yang
- Research Center of Chiral Functional Heterocycles, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, 221116, China
| | - Yu-Chen Zhang
- Research Center of Chiral Functional Heterocycles, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, 221116, China
| | - Feng Shi
- Research Center of Chiral Functional Heterocycles, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, 221116, China
- School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
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13
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Winters KR, Montchamp JL. Design, synthesis, and evaluation of chiral thiophosphorus acids as organocatalysts. Beilstein J Org Chem 2022; 18:1471-1478. [PMID: 36320342 PMCID: PMC9592963 DOI: 10.3762/bjoc.18.154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 09/30/2022] [Indexed: 11/23/2022] Open
Abstract
A series of P-stereogenic chiral phosphorus acids (CPAs) were synthesized to determine the requirements for efficient asymmetric organocatalysis. In order to eliminate the need for C2-symmetry in common CPAs, various scaffolds containing C1-symmetrical thiophosphorus acids were chosen. These new compounds were synthesized and evaluated in the asymmetric transfer hydrogenation of 2-phenylquinoline. Although the efficacy of the thiophosphorus acids was disappointing for this reaction, the work should be useful for developing structural design elements.
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Affiliation(s)
- Karen R Winters
- Department of Chemistry and Biochemistry, Texas Christian University, Fort Worth, Texas 76129, United States
| | - Jean-Luc Montchamp
- Department of Chemistry and Biochemistry, Texas Christian University, Fort Worth, Texas 76129, United States
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14
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Synthesis of optical active tetramethyl-1,1′-spirobiindane-based iodoarenes and evaluation of their use as axially chiral organocatalysts. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.154157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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15
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Woldegiorgis AG, Muhammad S, Lin X. Asymmetric Cycloaddition/Annulation Reactions by Chiral Phosphoric Acid Catalysis: Recent Advances. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200624] [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)
| | | | - Xufeng Lin
- Zhejiang University Department of Chemistry 38 Zheda Road 310027 Hangzhou CHINA
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16
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Woldegiorgis AG, Han Z, Lin X. Asymmetric [3 + 3] Annulation to Construct Trifluoromethylated Pyrazolo[3,4- b]pyridin-6-ones via Chiral Phosphoric Acid and MgSO 4 Synergistic Catalysis. Org Lett 2022; 24:4058-4063. [PMID: 35613707 DOI: 10.1021/acs.orglett.2c01513] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We developed a novel asymmetric Friedel-Crafts alkylation/transamidation tandem reaction for the enantio- and diastereoselective synthesis of pyrazolo[3,4-b]pyridin-6-ones bearing a -CF3 unit via synergistic chiral phosphoric acid and MgSO4 catalysis. This [3 + 3] annulation protocol allows the formation of trifluoromethylated pyrazolo[3,4-b]pyridin-6-ones with two adjacent tertiary stereocenters in moderate to high yields (up to 90%), enantioselectivities (up to 97% ee), and diastereoselectivities (up to >20:1 dr).
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Affiliation(s)
| | - Zhao Han
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Xufeng Lin
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
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17
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Xie J, Guo Z, Liu W, Zhang D, He Y, Yang X. Kinetic Resolution of 1,
2‐Diamines
via Organocatalyzed Asymmetric Electrophilic Aminations of Anilines. CHINESE J CHEM 2022. [DOI: 10.1002/cjoc.202200125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Jinglei Xie
- School of Physical Science and Technology, ShanghaiTech University Shanghai 201210 China
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Shihua University Fushun 113001 China
| | - Zheng Guo
- School of Physical Science and Technology, ShanghaiTech University Shanghai 201210 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Wei Liu
- School of Physical Science and Technology, ShanghaiTech University Shanghai 201210 China
| | - Dekun Zhang
- School of Physical Science and Technology, ShanghaiTech University Shanghai 201210 China
| | - Yu‐Peng He
- Key Laboratory of Petrochemical Catalytic Science and Technology, Liaoning Shihua University Fushun 113001 China
- State Key Laboratory of Fine Chemicals, Ningbo Institute of Dalian University of Technology, Ningbo 315016 China
| | - Xiaoyu Yang
- School of Physical Science and Technology, ShanghaiTech University Shanghai 201210 China
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18
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Huang XY, Zheng Q, Zou LM, Gu Q, Tu T, You SL. Hyper-Crosslinked Porous Chiral Phosphoric Acids: Robust Solid Organocatalysts for Asymmetric Dearomatization Reactions. ACS Catal 2022. [DOI: 10.1021/acscatal.2c00397] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Xian-Yun Huang
- School of Pharmacy, East China University of Science and Technology, 130 Mei-Long Road, Shanghai 200237, China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Qingshu Zheng
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai 200438, China
| | - Lei-Ming Zou
- School of Pharmacy, East China University of Science and Technology, 130 Mei-Long Road, Shanghai 200237, China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Qing Gu
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
| | - Tao Tu
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai 200438, China
| | - Shu-Li You
- School of Pharmacy, East China University of Science and Technology, 130 Mei-Long Road, Shanghai 200237, China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, China
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19
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Woldegiorgis AG, Gu H, Lin X. Enantioselective synthesis of indole-based unnatural β-Alkynyl α-amino acid derivatives via chiral phosphoric acid catalysis. Chirality 2022; 34:678-693. [PMID: 35128727 DOI: 10.1002/chir.23422] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 01/16/2022] [Accepted: 01/18/2022] [Indexed: 12/17/2022]
Abstract
The synthesis of unnatural α-amino acid derivatives has attracted considerable interest in recent years, as they are ubiquitous in protein synthesis and peptide-based drug discovery. Herein, we reported the chiral phosphoric acid catalyzed asymmetric reaction of indoles with β,γ-alkynyl-α-imino esters for the enantioselective synthesis of unnatural indole-based α-amino acid derivatives. This asymmetric organocatalysis protocol enables efficient synthesis of unnatural α-amino acid derivatives with a tetrasubstituted stereogenic center and an alkyne moiety with up to 99% yield and 98% ee, resulting in operationally simple conditions, short reaction time, and broad substrate scope.
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Affiliation(s)
| | - Haorui Gu
- Department of Chemistry, Zhejiang University, Hangzhou, China
| | - Xufeng Lin
- Department of Chemistry, Zhejiang University, Hangzhou, China
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20
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Zhang H, Shi F. Advances in Catalytic Asymmetric Reactions Using 2-Indolylmethanols as Platform Molecules. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202203018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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21
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del Corte X, Martínez de Marigorta E, Palacios F, Vicario J, Maestro A. An overview of the applications of chiral phosphoric acid organocatalysts in enantioselective additions to CO and CN bonds. Org Chem Front 2022. [DOI: 10.1039/d2qo01209j] [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
Since 2004, chiral phosphoric acids (CPAs) have emerged as highyl efficient organocatalysts, providing excellent results in a wide reaction scope. In this review, the applications of CPA for enantioselective additions to CO and CN bonds are covered.
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Affiliation(s)
- Xabier del Corte
- Department of Organic Chemistry I, Faculty of Pharmacy, University of the Basque Country, UPV/EHU, Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain
| | - Edorta Martínez de Marigorta
- Department of Organic Chemistry I, Faculty of Pharmacy, University of the Basque Country, UPV/EHU, Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain
| | - Francisco Palacios
- Department of Organic Chemistry I, Faculty of Pharmacy, University of the Basque Country, UPV/EHU, Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain
| | - Javier Vicario
- Department of Organic Chemistry I, Faculty of Pharmacy, University of the Basque Country, UPV/EHU, Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain
| | - Aitor Maestro
- Department of Organic Chemistry I, Faculty of Pharmacy, University of the Basque Country, UPV/EHU, Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain
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22
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Cen S, Zhang Z. Synthesis of Biphenanthrol-Based Confined Chiral Phosphoric Acid. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202203019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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23
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Han Z, Jin J, Woldegiorgis AG, Lin X. Organocatalytic diastereo- and enantioselective conjugate addition of pyrazol-3-ones to 3-trifluoroethylidene oxindoles with a newly developed squaramide catalyst. RSC Adv 2022; 12:27012-27021. [PMID: 36320851 PMCID: PMC9490773 DOI: 10.1039/d2ra05088a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Accepted: 09/12/2022] [Indexed: 11/21/2022] Open
Abstract
An efficient organocatalytic conjugated addition reaction of pyrazol-3-ones with 3-trifluoroethylidene oxindoles has been developed for the synthesis of enantioenriched triflouromethylated indolin-2-ones bearing adjacent tertiary chiral centers in good yields and good to excellent diastereo- and enantioselectivities. The use of a newly developed chiral spirobiindane-derived squaramide catalyst is essential in achieving high diastereo- and enantioselectivities. Organocatalytic diastereo- and enantioselective conjugate addition of pyrazol-3-ones to 3-trifluoroethylidene oxindoles with a newly developed squaramide catalyst has been developed.![]()
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Affiliation(s)
- Zhao Han
- Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China
| | - Jiaping Jin
- Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China
| | | | - Xufeng Lin
- Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China
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24
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Liu X, Xiao Y, Zhang Z, You Z, Li J, Ma D, Li B. Recent Progress in
Metal‐Organic
Frameworks@Cellulose Hybrids and Their Applications. CHINESE J CHEM 2021. [DOI: 10.1002/cjoc.202100534] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Xiongli Liu
- School of Materials Science and Engineering, National Institute for Advanced Materials, TKL of Metal and Molecule‐Based Material Chemistry Nankai University Tianjin 300350 China
| | - Yun Xiao
- General English Department, College of Foreign Languages Nankai University Tianjin 300071 China
| | - Zhiyuan Zhang
- School of Materials Science and Engineering, National Institute for Advanced Materials, TKL of Metal and Molecule‐Based Material Chemistry Nankai University Tianjin 300350 China
| | - Zifeng You
- School of Materials Science and Engineering, National Institute for Advanced Materials, TKL of Metal and Molecule‐Based Material Chemistry Nankai University Tianjin 300350 China
| | - Jinli Li
- School of Materials Science and Engineering, National Institute for Advanced Materials, TKL of Metal and Molecule‐Based Material Chemistry Nankai University Tianjin 300350 China
| | - Dingxuan Ma
- College of Chemistry and Molecular Engineering, Laboratory of Eco‐chemical Engineering, Ministry of Education Qingdao University of Science and Technology Qingdao 266042 China
| | - Baiyan Li
- School of Materials Science and Engineering, National Institute for Advanced Materials, TKL of Metal and Molecule‐Based Material Chemistry Nankai University Tianjin 300350 China
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25
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Woldegiorgis AG, Han Z, Lin X. Chiral Phosphoric Acid‐Catalyzed Enantioselective Synthesis of Pyrazole‐Based Unnatural α‐Amino Acid Derivatives. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202101011] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Alemayehu Gashaw Woldegiorgis
- Center of Chemistry for Frontier Technologies, Department of Chemistry Zhejiang University Hangzhou 310027 People's Republic of China
| | - Zhao Han
- Center of Chemistry for Frontier Technologies, Department of Chemistry Zhejiang University Hangzhou 310027 People's Republic of China
| | - Xufeng Lin
- Center of Chemistry for Frontier Technologies, Department of Chemistry Zhejiang University Hangzhou 310027 People's Republic of China
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26
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Woldegiorgis AG, Han Z, Lin X. Organocatalytic Asymmetric Dearomatization Reaction for the Synthesis of Axial Chiral Allene-Derived Naphthalenones Bearing Quaternary Stereocenters. Org Lett 2021; 23:6606-6611. [PMID: 34387497 DOI: 10.1021/acs.orglett.1c01849] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The highly regio-, diastereo-, and enantioselective dearomatization reaction of 1-substituted 2-naphthols and β,γ-alkynyl-α-imino esters with complete atom economy is disclosed via chiral phosphoric acid catalysis. This protocol provides facile and efficient access to asymmetric construction of a broad range of axially chiral allene-derived naphthalenones bearing quaternary stereocenters in good yields with high diastereoselectivities and enantioselectivities.
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Affiliation(s)
| | - Zhao Han
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Xufeng Lin
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
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27
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Wang J, Sun M, Yu X, Zhang Y, Tan W, Shi F. Atroposelective Construction of Axially Chiral
Alkene‐Indole
Scaffolds
via
Catalytic Enantioselective Addition Reaction of
3‐Alkynyl
‐2‐indolylmethanols
†. CHINESE J CHEM 2021. [DOI: 10.1002/cjoc.202100214] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Jing‐Yi Wang
- School of Chemistry and Materials Science Jiangsu Normal University Xuzhou Jiangsu 221116 China
| | - Meng Sun
- School of Chemistry and Materials Science Jiangsu Normal University Xuzhou Jiangsu 221116 China
| | - Xian‐Yang Yu
- School of Chemistry and Materials Science Jiangsu Normal University Xuzhou Jiangsu 221116 China
| | - Yu‐Chen Zhang
- School of Chemistry and Materials Science Jiangsu Normal University Xuzhou Jiangsu 221116 China
| | - Wei Tan
- School of Chemistry and Materials Science Jiangsu Normal University Xuzhou Jiangsu 221116 China
| | - Feng Shi
- School of Chemistry and Materials Science Jiangsu Normal University Xuzhou Jiangsu 221116 China
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