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Lonardi G, Parolin R, Licini G, Orlandi M. Catalytic Asymmetric Conjugate Reduction. Angew Chem Int Ed Engl 2023; 62:e202216649. [PMID: 36757599 DOI: 10.1002/anie.202216649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 01/16/2023] [Accepted: 02/09/2023] [Indexed: 02/10/2023]
Abstract
Enantioselective reduction reactions are privileged transformations for the construction of trisubstituted stereogenic centers. While these include established synthetic strategies, such as asymmetric hydrogenation, methods based on the enantioselective addition of hydridic reagents to electrophilic prochiral substrates have also gained importance. In this context, the asymmetric conjugate reduction (ACR) of α,β-unsaturated compounds has become a convenient approach for the synthesis of chiral compounds with trisubstituted stereocenters in α-, β-, or γ-position to electron-withdrawing functional groups. Because such activating groups are diverse and amenable of further derivatizations, ACRs provide a general and powerful synthetic entry towards a variety of valuable chiral building blocks. This Review provides a comprehensive collection of catalytic ACR methods involving transition-metal, organic, and enzymatic catalysis since its first versions dating back to the late 1970s.
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Affiliation(s)
- Giovanni Lonardi
- Department of Chemical Sciences, University of Padova, Via Marzolo, 1, 35131, Padova, Italy
| | - Riccardo Parolin
- Department of Chemical Sciences, University of Padova, Via Marzolo, 1, 35131, Padova, Italy
| | - Giulia Licini
- Department of Chemical Sciences, University of Padova, Via Marzolo, 1, 35131, Padova, Italy
| | - Manuel Orlandi
- Department of Chemical Sciences, University of Padova, Via Marzolo, 1, 35131, Padova, Italy
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Gao X, Shi X, Yang D, Jin H, Zhou X, Meng T, Li X, Jia Z, Zhang X, Wu Z, Wang C, Zeng T, Liu L, Ai C, Zhu H. Highly efficient axially biscarboline ethers as catalysts used in 1,2- and 1,4-transfer hydrogenations of ketimines and β-enamino esters. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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3
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Tang P, Wen L, Ma HJ, Yang Y, Jiang Y. Synthesis of acyloxy-2 H-azirine and sulfonyloxy-2 H-azirine derivatives via a one-pot reaction of β-enamino esters, PIDA and carboxylic acid or sulfonic acid. Org Biomol Chem 2022; 20:3061-3066. [PMID: 35344576 DOI: 10.1039/d2ob00364c] [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
PIDA mediated oxidative acyloxylation/azirination and sulfonyloxylation/azirination of β-enamino esters were investigated. A series of functionalized acyloxy-2H-azirine and sulfonyloxy-2H-azirine derivatives was synthesized in moderate to good yields. This represents the first oxidative sulfonyloxylation/azirination of β-enamino esters with PIDA and sulfonic acid for access to sulfonyloxy-2H-azirine. Hypervalent iodine reagents enable cascade C-O/C-N bond formation. Furthermore, a possible reaction pathway was proposed based on the experimental results.
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Affiliation(s)
- Pan Tang
- School of Chemistry and Environmental Engineering, Sichuan University of Science & Engineering, Zigong 643000, China.
| | - Long Wen
- School of Chemistry and Environmental Engineering, Sichuan University of Science & Engineering, Zigong 643000, China.
| | - Hao-Jie Ma
- School of Chemistry and Environmental Engineering, Sichuan University of Science & Engineering, Zigong 643000, China.
| | - Yi Yang
- School of Chemistry and Environmental Engineering, Sichuan University of Science & Engineering, Zigong 643000, China.
| | - Yan Jiang
- School of Chemistry and Environmental Engineering, Sichuan University of Science & Engineering, Zigong 643000, China.
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4
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Maciá M, Porcar R, Martí-Centelles V, García-Verdugo E, Burguete MI, Luis SV. Rational Design of Simple Organocatalysts for the HSiCl 3 Enantioselective Reduction of (E)- N-(1-Phenylethylidene)aniline. Molecules 2021; 26:6963. [PMID: 34834055 PMCID: PMC8625272 DOI: 10.3390/molecules26226963] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/16/2021] [Accepted: 11/16/2021] [Indexed: 11/17/2022] Open
Abstract
Prolinamides are well-known organocatalysts for the HSiCl3 reduction of imines; however, custom design of catalysts is based on trial-and-error experiments. In this work, we have used a combination of computational calculations and experimental work, including kinetic analyses, to properly understand this process and to design optimized catalysts for the benchmark (E)-N-(1-phenylethylidene)aniline. The best results have been obtained with the amide derived from 4-methoxyaniline and the N-pivaloyl protected proline, for which the catalyzed process is almost 600 times faster than the uncatalyzed one. Mechanistic studies reveal that the formation of the component supramolecular complex catalyst-HSiCl3-substrate, involving hydrogen bonding breaking and costly conformational changes in the prolinamide, is an important step in the overall process.
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Affiliation(s)
- María Maciá
- Department of Inorganic and Organic Chemistry, Jaume I University, Av. Vicent Sos Baynat s/n, 12071 Castellón, Spain; (M.M.); (R.P.); (V.M.-C.); (M.I.B.)
| | - Raúl Porcar
- Department of Inorganic and Organic Chemistry, Jaume I University, Av. Vicent Sos Baynat s/n, 12071 Castellón, Spain; (M.M.); (R.P.); (V.M.-C.); (M.I.B.)
- Department of Organic and Bio-Organic Chemistry, Faculty of Science, UNED—Universidad Nacional de Educación a Distancia, Avenida de Esparta s/n, 28232 Las Rozas-Madrid, Spain
| | - Vicente Martí-Centelles
- Department of Inorganic and Organic Chemistry, Jaume I University, Av. Vicent Sos Baynat s/n, 12071 Castellón, Spain; (M.M.); (R.P.); (V.M.-C.); (M.I.B.)
- Instituto Interuniversitario de Investigación de Reconocimiento Molecular y Desarrollo Tecnológico (IDM), Universitat Politècnica de València, Universitat de València, 46022 Valencia, Spain
| | - Eduardo García-Verdugo
- Department of Inorganic and Organic Chemistry, Jaume I University, Av. Vicent Sos Baynat s/n, 12071 Castellón, Spain; (M.M.); (R.P.); (V.M.-C.); (M.I.B.)
| | - Maria Isabel Burguete
- Department of Inorganic and Organic Chemistry, Jaume I University, Av. Vicent Sos Baynat s/n, 12071 Castellón, Spain; (M.M.); (R.P.); (V.M.-C.); (M.I.B.)
| | - Santiago V. Luis
- Department of Inorganic and Organic Chemistry, Jaume I University, Av. Vicent Sos Baynat s/n, 12071 Castellón, Spain; (M.M.); (R.P.); (V.M.-C.); (M.I.B.)
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Chen W, Tan C, Wang H, Ye X. The Development of Organocatalytic Asymmetric Reduction of Carbonyls and Imines Using Silicon Hydrides. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100394] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Wenchao Chen
- College of Pharmaceutical Science & Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals Zhejiang University of Technology 18 Chaowang Road Hangzhou 310014 P. R. China
| | - Choon‐Hong Tan
- Division of Chemistry and Biological Chemistry School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link 637371 Singapore
| | - Hong Wang
- College of Pharmaceutical Science & Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals Zhejiang University of Technology 18 Chaowang Road Hangzhou 310014 P. R. China
| | - Xinyi Ye
- College of Pharmaceutical Science & Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals Zhejiang University of Technology 18 Chaowang Road Hangzhou 310014 P. R. China
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Ran X, Long Y, Yang S, Peng C, Zhang Y, Qian S, Jiang Z, Zhang X, Yang L, Wang Z, Yu X. A novel route to unsymmetrical disubstituted ureas and thioureas by HMPA catalyzed reductive alkylation with trichlorosilane. Org Chem Front 2020. [DOI: 10.1039/c9qo01321k] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A HMPA catalyzed reductive alkylation of ureas and thioureas with trichlorosilane under mild reaction conditions has been developed.
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Affiliation(s)
- Xiaoyun Ran
- Department of Chemistry
- Xihua University
- Chengdu
- China
| | - Yan Long
- Department of Chemistry
- Xihua University
- Chengdu
- China
| | - Sheng Yang
- Department of Chemistry
- Xihua University
- Chengdu
- China
| | | | | | - Shan Qian
- Department of Pharmaceutics Engineering
- Xihua University
- Chengdu
- China
| | - Zhenju Jiang
- Department of Chemistry
- Xihua University
- Chengdu
- China
| | | | - Lingling Yang
- Department of Pharmaceutics Engineering
- Xihua University
- Chengdu
- China
| | - Zhouyu Wang
- Department of Chemistry
- Xihua University
- Chengdu
- China
| | - Xiaoqi Yu
- Department of Chemistry
- Xihua University
- Chengdu
- China
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Yang H, Weng G, Fang D, Peng C, Zhang Y, Zhang X, Wang Z. Enantioselective conjugate hydrosilylation of α,β-unsaturated ketones. RSC Adv 2019; 9:11627-11633. [PMID: 35516981 PMCID: PMC9063358 DOI: 10.1039/c9ra01180c] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Accepted: 03/25/2019] [Indexed: 11/30/2022] Open
Abstract
Enantioselective conjugate hydrosilylation of β,β-disubstituted α,β-unsaturated ketones was realized. In the presence of a chiral picolinamide-sulfonate Lewis base catalyst, the reactions provided various chiral ketones bearing a chiral center at the β-position in up to quantitative yields with moderate enantioselectivities.
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Affiliation(s)
- Huan Yang
- Department of Chemistry, Xihua University Chengdu 610039 China +86-028-8772-3006 +86-028-8772-9463
| | - Guanglin Weng
- Department of Chemistry, Xihua University Chengdu 610039 China +86-028-8772-3006 +86-028-8772-9463
| | - Dongmei Fang
- Chengdu Institute of Biology, Chinese Academy of Sciences Chengdu 610041 China
| | - Changjiang Peng
- Department of Chemistry, Xihua University Chengdu 610039 China +86-028-8772-3006 +86-028-8772-9463
| | - Yuanyuan Zhang
- Department of Chemistry, Xihua University Chengdu 610039 China +86-028-8772-3006 +86-028-8772-9463
| | - Xiaomei Zhang
- Department of Chemistry, Xihua University Chengdu 610039 China +86-028-8772-3006 +86-028-8772-9463
| | - Zhouyu Wang
- Department of Chemistry, Xihua University Chengdu 610039 China +86-028-8772-3006 +86-028-8772-9463
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Li M, Xia HF, Yang LY, Hong T, Xie LJ, Li S, Wu J. Synthesis of N-aryl β-amino acid derivatives via Cu(ii)-catalyzed asymmetric 1,4-reduction in air. RSC Adv 2019; 9:9187-9192. [PMID: 35517703 PMCID: PMC9062089 DOI: 10.1039/c9ra01203f] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2019] [Accepted: 03/11/2019] [Indexed: 11/21/2022] Open
Abstract
In the presence of the inexpensive and stable stoichiometric reductant polymethylhydrosiloxane (PMHS) as well as certain amounts of appropriate alcohol and base additives, the non-precious metal copper-catalyzed asymmetric 1,4-hydrosilylation of β-aryl or β-alkyl-substituted N-aryl β-enamino esters was well realized to afford a diverse range of N-aryl β-amino acid esters in high yields and excellent enantioselectivities (26 examples, 90-98% ee). This approach tolerated the handling of both catalyst and reactants in air without special precautions. The chiral products obtained have been successfully converted to the corresponding enantiomerically enriched β-lactam and unprotected β-amino acid ester, which highlighted the synthetic utility of the developed catalytic procedure.
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Affiliation(s)
- Min Li
- College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University Hangzhou 310036 P. R. China
- Faculty of Materials Science and Chemical Engineering, Ningbo University Ningbo 315211 P. R. China
| | - Hong-Feng Xia
- College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University Hangzhou 310036 P. R. China
| | - Li-Yao Yang
- College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University Hangzhou 310036 P. R. China
| | - Tao Hong
- College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University Hangzhou 310036 P. R. China
| | - Lin-Jie Xie
- College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University Hangzhou 310036 P. R. China
| | - Shijun Li
- College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University Hangzhou 310036 P. R. China
| | - Jing Wu
- College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University Hangzhou 310036 P. R. China
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Dai X, Liu M, Huang M, Zhang J, Xu X, Yuan W, Zhang X. Synthesis of Chiral α‐Mercapto‐β‐acylamido Esters via One‐Pot Asymmetric Hydrosilylation−transacylation of α‐Acylthio‐β‐Enamino Esters. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900041] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Xingjie Dai
- Asymmetric Synthesis and Chiraltechnology Key Laboratory of Sichuan Province Chengdu Institute of Organic ChemistryChinese Academy of Sciences Chengdu China
- University of Chinese Academy of Sciences Beijing China
| | - Min Liu
- Asymmetric Synthesis and Chiraltechnology Key Laboratory of Sichuan Province Chengdu Institute of Organic ChemistryChinese Academy of Sciences Chengdu China
- University of Chinese Academy of Sciences Beijing China
| | - Min Huang
- Asymmetric Synthesis and Chiraltechnology Key Laboratory of Sichuan Province Chengdu Institute of Organic ChemistryChinese Academy of Sciences Chengdu China
- University of Chinese Academy of Sciences Beijing China
| | - Jiayan Zhang
- Asymmetric Synthesis and Chiraltechnology Key Laboratory of Sichuan Province Chengdu Institute of Organic ChemistryChinese Academy of Sciences Chengdu China
- University of Chinese Academy of Sciences Beijing China
| | - Xiaoying Xu
- Asymmetric Synthesis and Chiraltechnology Key Laboratory of Sichuan Province Chengdu Institute of Organic ChemistryChinese Academy of Sciences Chengdu China
| | - Weicheng Yuan
- Asymmetric Synthesis and Chiraltechnology Key Laboratory of Sichuan Province Chengdu Institute of Organic ChemistryChinese Academy of Sciences Chengdu China
| | - Xiaomei Zhang
- Asymmetric Synthesis and Chiraltechnology Key Laboratory of Sichuan Province Chengdu Institute of Organic ChemistryChinese Academy of Sciences Chengdu China
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