1
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Mishra DR. Developments in the stereoselective synthesis of benzopyran, benzopyrone and flavonoid based natural product analogues using C-glycosides as an intrinsic chiral synthon. Carbohydr Res 2024; 541:109164. [PMID: 38815342 DOI: 10.1016/j.carres.2024.109164] [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: 12/22/2023] [Revised: 05/17/2024] [Accepted: 05/24/2024] [Indexed: 06/01/2024]
Abstract
Stereoselective synthesis is essential for propelling mainstream academia toward a relentless pursuit of novel and cutting-edge strategies for constructing molecules with unparalleled precision. Naturally derived benzopyrans, benzopyrones, and flavonoids are an essentially prominent group of oxa-heterocycles, highly significant targets in medicinal chemistry owing to their extensive abundance in biologically active natural products and pharmaceuticals. The molecular complexity and stereoselectivity induced by heterocycles embedded with C-glycosides have attracted considerable interest and emerged as a fascinating area of research for synthetic organic chemists. This present article emphasizes the existing growths in the strategies involving the diastereoselective synthesis of C-glycosylated benzopyrans, benzopyrones, and flavonoids using naturally acquired glycones as chiral synthons.
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Affiliation(s)
- Deepak Ranjan Mishra
- Department of Chemistry, Kamala Nehru Women's College, Bhubaneswar, Odisha, India.
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2
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Davis J, Gharaee M, Karunaratne CV, Cortes Vazquez J, Haynes M, Luo W, Nesterov VN, Cundari T, Wang H. Asymmetric Synthesis of Chromans Through Bifunctional Enamine-Metal Lewis Acid Catalysis. Chemistry 2022; 28:e202200224. [PMID: 35298095 DOI: 10.1002/chem.202200224] [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: 01/23/2022] [Indexed: 11/09/2022]
Abstract
Cooperative enamine-metal Lewis acid catalysis has emerged as a powerful tool to construct carbon-carbon and carbon-heteroatom bond forming reactions. A concise synthetic method for asymmetric synthesis of chromans from cyclohexanones and salicylaldehydes has been developed to afford tricyclic chromans containing three consecutive stereogenic centers in good yields (up to 87 %) and stereoselectivity (up to 99 % ee and 11 : 1 : 1 dr). This difficult organic transformation was achieved through bifunctional enamine-metal Lewis acid catalysis. It is believed that the strong activation of the salicylaldehydes through chelating to the metal Lewis acid and the bifunctional nature of the catalyst accounts for the high yields and enantioselectivity of the reaction. The absolute configurations of the chroman products were established through X-ray crystallography. DFT calculations were conducted to understand the mechanism and stereoselectivity of this reaction.
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Affiliation(s)
- Jacqkis Davis
- Department of Chemistry, University of North Texas, Denton, TX 76203, USA
| | - Mojgan Gharaee
- Department of Chemistry, University of North Texas, Denton, TX 76203, USA
| | | | | | - Mikayla Haynes
- Department of Chemistry, University of North Texas, Denton, TX 76203, USA
| | - Weiwei Luo
- School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha, 410114, China
| | | | - Thomas Cundari
- Department of Chemistry, University of North Texas, Denton, TX 76203, USA
| | - Hong Wang
- Department of Chemistry, University of North Texas, Denton, TX 76203, USA
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3
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Van Do TN, Le TH, Nguyen HX, Vo TNT, Dang PH, Nguyen NT, Nguyen MTT. δ-Tocopherol derivatives from the leaves of Muntingia calabura L. Nat Prod Res 2021; 36:5524-5529. [PMID: 34933616 DOI: 10.1080/14786419.2021.2018589] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
From an ethyl acetate-soluble fraction of the leaves of Muntingia calabura, one new trimeric δ-tocopherol derivative named as tocomuntin A (1), together with three known δ-tocopherol derivatives (2-4) were isolated. Their structures were elucidated based on the interpretation of NMR and MS spectroscopic data. In this work, δ-tocopherol (3) was found to have α-glucosidase inhibitory activity for the first time (IC50, 47.3 μM).
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Affiliation(s)
- Truong Nhat Van Do
- Faculty of Chemistry, University of Science, Ho Chi Minh City, Vietnam.,Vietnam National University, Ho Chi Minh City, Vietnam
| | - Tho Huu Le
- Faculty of Chemistry, University of Science, Ho Chi Minh City, Vietnam.,Vietnam National University, Ho Chi Minh City, Vietnam
| | - Hai Xuan Nguyen
- Faculty of Chemistry, University of Science, Ho Chi Minh City, Vietnam.,Vietnam National University, Ho Chi Minh City, Vietnam
| | - Trang Ngoc Tran Vo
- Faculty of Chemistry, University of Science, Ho Chi Minh City, Vietnam.,Vietnam National University, Ho Chi Minh City, Vietnam
| | - Phu Hoang Dang
- Faculty of Chemistry, University of Science, Ho Chi Minh City, Vietnam.,Vietnam National University, Ho Chi Minh City, Vietnam
| | - Nhan Trung Nguyen
- Faculty of Chemistry, University of Science, Ho Chi Minh City, Vietnam.,Vietnam National University, Ho Chi Minh City, Vietnam.,Cancer Research Laboratory, University of Science, Ho Chi Minh City, Vietnam
| | - Mai Thanh Thi Nguyen
- Faculty of Chemistry, University of Science, Ho Chi Minh City, Vietnam.,Vietnam National University, Ho Chi Minh City, Vietnam.,Cancer Research Laboratory, University of Science, Ho Chi Minh City, Vietnam
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4
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Sinha SK, Roy TK, Modak A, Maiti D. Enabling the Facile Synthesis of Arenes by Transition Metal Catalyzed Decarbonylation Methodology. CHEM REC 2021; 21:3990-3999. [PMID: 34713555 DOI: 10.1002/tcr.202100244] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 10/12/2021] [Accepted: 10/12/2021] [Indexed: 11/11/2022]
Abstract
Transition metal-catalyzed decarbonylation is an essential paradigm of synthetic organic chemistry. Decarbonylation offers a unique pathway to decoding the skeletal structure of arenes and enabling easy synthesis of structurally complicated molecules. Due to the omnipresence of carbonyl groups in a wide array of synthetically important complex molecules, the variety and scope of these transformations are enormous. As a result, the development of transition metal catalysts in such a simple decarbonylation reaction ranks among one of the most important topics in synthetic organic chemistry. Transition metals that have been employed range from 3d metals like V to second-row transition metals like Pd. The growing potential of this methodology has driven the pioneers of synthetic organic chemistry into delving into the details of this transition metal-catalyzed decarbonylation pathways. This review aims to take the readers through the employment of transition metals in various decarbonylation processes developed by our group, sticking not only to the scope and diversification of synthetically complex molecules, but also enabling the readers to understand the mechanistic insights, through computational and kinetic studies put forward in such reaction protocol, hoping to pave the way for future organic chemists to delve and hopefully solve the unique problems associated with this protocol.
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Affiliation(s)
- Soumya Kumar Sinha
- Department of Chemistry, Indian Institute of Technology Bombay Powai, Mumbai, 400076, India
| | - Triptesh Kumar Roy
- Department of Chemistry, Indian Institute of Technology Bombay Powai, Mumbai, 400076, India
| | - Atanu Modak
- Department of Chemistry, Indian Institute of Technology Bombay Powai, Mumbai, 400076, India
| | - Debabrata Maiti
- Department of Chemistry, Indian Institute of Technology Bombay Powai, Mumbai, 400076, India
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5
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Pan W, Li C, Zhu H, Li F, Li T, Zhao W. A mild and practical method for deprotection of aryl methyl/benzyl/allyl ethers with HPPh 2 and tBuOK. Org Biomol Chem 2021; 19:7633-7640. [PMID: 34524311 DOI: 10.1039/d1ob01286j] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A general method for the demethylation, debenzylation, and deallylation of aryl ethers using HPPh2 and tBuOK is reported. The reaction features mild and metal-free reaction conditions, broad substrate scope, good functional group compatibility, and high chemical selectivity towards aryl ethers over aliphatic structures. Notably, this approach is competent to selectively deprotect the allyl or benzyl group, making it a general and practical method in organic synthesis.
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Affiliation(s)
- Wenjing Pan
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China.
| | - Chenchen Li
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China.
| | - Haoyin Zhu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China.
| | - Fangfang Li
- The Department of Dermatology, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China.
| | - Tao Li
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China.
| | - Wanxiang Zhao
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China.
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6
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Huang YS, Song SG, Ren L, Li YG, Wu X. Enantioselective γ-Alkylation of α,β-Unsaturated Aldehydes Using New Cinchona-Based Primary Amine Catalyst. European J Org Chem 2019. [DOI: 10.1002/ejoc.201901219] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Yong-Shuang Huang
- Anhui Province Key Laboratory of Advanced Catalytic Materials and Reaction Engineering; School of Chemistry and Chemical Engineering; Hefei University of Technology; 193 Tunxi Road 230009 Hefei China
| | - Shuang-Gui Song
- Anhui Province Key Laboratory of Advanced Catalytic Materials and Reaction Engineering; School of Chemistry and Chemical Engineering; Hefei University of Technology; 193 Tunxi Road 230009 Hefei China
| | - Lei Ren
- Anhui Therapy Pharmaceutial Co., Ltd; Innovation Industrial Park, High-tech Zone Hefei China
| | - You-Gui Li
- Anhui Province Key Laboratory of Advanced Catalytic Materials and Reaction Engineering; School of Chemistry and Chemical Engineering; Hefei University of Technology; 193 Tunxi Road 230009 Hefei China
| | - Xiang Wu
- Anhui Province Key Laboratory of Advanced Catalytic Materials and Reaction Engineering; School of Chemistry and Chemical Engineering; Hefei University of Technology; 193 Tunxi Road 230009 Hefei China
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7
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Muthusamy S, Kesavan V. Asymmetric Cycloaddition Reactions of Oxindole α-Keto Esters via Cascade Dienamine-Enamine and Trienamine Strategies. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900567] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Subramaniam Muthusamy
- Chemical Biology Laboratory; Department of Biotechnology; Bhupat and Jyothi Mehta School of Biosciences Building; Indian Institute of Technology Madras; -600036 Chennai India
| | - Venkitasamy Kesavan
- Chemical Biology Laboratory; Department of Biotechnology; Bhupat and Jyothi Mehta School of Biosciences Building; Indian Institute of Technology Madras; -600036 Chennai India
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8
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Richter SC, Oestreich M. Bioinspired Metal‐Free Formal Decarbonylation of α‐Branched Aliphatic Aldehydes at Ambient Temperature. Chemistry 2019; 25:8508-8512. [DOI: 10.1002/chem.201902082] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Indexed: 01/25/2023]
Affiliation(s)
- Sven C. Richter
- Institut für ChemieTechnische Universität Berlin Strasse des 17. Juni 115 10623 Berlin Germany
| | - Martin Oestreich
- Institut für ChemieTechnische Universität Berlin Strasse des 17. Juni 115 10623 Berlin Germany
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9
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Ratsch F, Schlundt W, Albat D, Zimmer A, Neudörfl JM, Netscher T, Schmalz HG. Total Synthesis of α-Tocopherol through Enantioselective Iridium-Catalyzed Fragmentation of a Spiro-Cyclobutanol Intermediate. Chemistry 2019; 25:4941-4945. [PMID: 30741456 DOI: 10.1002/chem.201900564] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Indexed: 11/10/2022]
Abstract
A conceptionally new strategy for the asymmetric (2R-selective) synthesis of α-tocopherol (vitamin E) was developed. In the stereocontrolled key step, a prochiral spiro[chromane-2,3'-cyclobutanol] unit is effectively desymmetrized under C-C bond activation in an unprecedented iridium-catalyzed transformation using (S)-DTBM-SegPhos as a chiral ligand (e.r. 97:3). To complete the synthesis, the side chain was attached through Ru-catalyzed cross-metathesis employing an alkene derived from (R,R)-hexahydrofarnesol. To suppress epimerization during the final hydrogenation, PtO2 had to be used as a catalyst instead of Pd/C. In an alternative approach (employing a propargyl-substituted spiro-cyclobutanol), the side chain was constructed prior to the Ir-catalyzed ring fragmentation (>99:1 d.r.) through enyne cross-metathesis (using an alkene derived from (R)-dihydrocitronellal) followed by Cr-catalyzed 1,4-hydrogenation and (diastereoselective) Pfaltz hydrogenation of the resulting triple-substituted olefin. The work demonstrates the potential of iridium catalysis for enantioselective C-C bond activation.
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Affiliation(s)
- Friederike Ratsch
- Department of Chemistry, University of Cologne, Greinstrasse 4, 50939, Koeln, Germany
| | - Waldemar Schlundt
- Department of Chemistry, University of Cologne, Greinstrasse 4, 50939, Koeln, Germany
| | - Dominik Albat
- Department of Chemistry, University of Cologne, Greinstrasse 4, 50939, Koeln, Germany
| | - Anne Zimmer
- Department of Chemistry, University of Cologne, Greinstrasse 4, 50939, Koeln, Germany
| | - Jörg-Martin Neudörfl
- Department of Chemistry, University of Cologne, Greinstrasse 4, 50939, Koeln, Germany
| | - Thomas Netscher
- Research and Development, DSM Nutritional Products, P.O. Box 2676, CH-4002, Basel, Switzerland
| | - Hans-Günther Schmalz
- Department of Chemistry, University of Cologne, Greinstrasse 4, 50939, Koeln, Germany
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10
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Göricke F, Schneider C. Palladium-Catalyzed Enantioselective Addition of Chiral Metal Enolates to In Situ Generated ortho
-Quinone Methides. Angew Chem Int Ed Engl 2018; 57:14736-14741. [DOI: 10.1002/anie.201809692] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Indexed: 01/05/2023]
Affiliation(s)
- Fabian Göricke
- Institut für Organische Chemie; Universität Leipzig; Johannisallee 29 04103 Leipzig Germany
| | - Christoph Schneider
- Institut für Organische Chemie; Universität Leipzig; Johannisallee 29 04103 Leipzig Germany
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11
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Göricke F, Schneider C. Palladium-Catalyzed Enantioselective Addition of Chiral Metal Enolates to In Situ Generated ortho
-Quinone Methides. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201809692] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Fabian Göricke
- Institut für Organische Chemie; Universität Leipzig; Johannisallee 29 04103 Leipzig Germany
| | - Christoph Schneider
- Institut für Organische Chemie; Universität Leipzig; Johannisallee 29 04103 Leipzig Germany
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12
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Yu C, Huang H, Li X, Zhang Y, Li H, Wang W. Aniline-Promoted Cyclization-Replacement Cascade Reactions of 2-Hydroxycinnamaldehydes with Various Carbonic Nucleophiles through In Situ Formed N,O-Acetals. Chemistry 2016; 22:9240-6. [PMID: 27230417 DOI: 10.1002/chem.201601112] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Indexed: 11/12/2022]
Abstract
In this study, we report the harnessing of new reactivity of N,O-acetals in an aminocatalytic fashion for organic synthesis. Unlike widely used strategies requiring the use of acids and/or elevated temperatures, direct replacement of the amine component of the N,O-acetals by carbon-centered nucleophiles for C-C bond formation is realized under mild reaction conditions. Furthermore, without necessary preformation of the N,O-acetals, an amine-catalyzed in situ formation of N,O-acetals is developed. Coupling both reactions into a one-pot operation enables the achievement of a catalytic process. We demonstrate the employment of simple anilines as promoters for the cyclization-substitution cascade reactions of trans-2-hydroxycinnamaldehydes with various carbonic nucleophiles including indoles, pyrroles, naphthols, phenols, and silyl enol ethers. The process offers an alternative approach to structurally diverse, "privileged" 2-substituted 2H-chromenes. The synthetic power of the new process is furthermore shown by its application in a 2-step synthesis of the natural product candenatenin E and for the facile installation of 2-substituted 2H-chromene moieties into biologically active indoles.
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Affiliation(s)
- Chenguang Yu
- Department of Chemistry & Chemical Biology, University of New Mexico, MSC03 2060, Albuquerque, NM, 87131-0001, USA
| | - He Huang
- Department of Chemistry & Chemical Biology, University of New Mexico, MSC03 2060, Albuquerque, NM, 87131-0001, USA
| | - Xiangmin Li
- Department of Chemistry & Chemical Biology, University of New Mexico, MSC03 2060, Albuquerque, NM, 87131-0001, USA.,School of Pharmacy, East University of Science and Technology, 130 Mei-Long Road, Shanghai, 200237, P. R. China
| | - Yueteng Zhang
- Department of Chemistry & Chemical Biology, University of New Mexico, MSC03 2060, Albuquerque, NM, 87131-0001, USA
| | - Hao Li
- School of Pharmacy, East University of Science and Technology, 130 Mei-Long Road, Shanghai, 200237, P. R. China.
| | - Wei Wang
- Department of Chemistry & Chemical Biology, University of New Mexico, MSC03 2060, Albuquerque, NM, 87131-0001, USA. .,School of Pharmacy, East University of Science and Technology, 130 Mei-Long Road, Shanghai, 200237, P. R. China.
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13
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Hu N, Li K, Wang Z, Tang W. Synthesis of Chiral 1,4-Benzodioxanes and Chromans by Enantioselective Palladium-Catalyzed Alkene Aryloxyarylation Reactions. Angew Chem Int Ed Engl 2016; 55:5044-8. [DOI: 10.1002/anie.201600379] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Revised: 02/03/2016] [Indexed: 11/07/2022]
Affiliation(s)
- Naifu Hu
- State Key Laboratory of Bio-organic and Natural Products Chemistry; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Ling Ling Rd Shanghai 200032 China
| | - Ke Li
- State Key Laboratory of Bio-organic and Natural Products Chemistry; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Ling Ling Rd Shanghai 200032 China
| | - Zheng Wang
- Innovation Center China; AstraZeneca Global R&D; China
| | - Wenjun Tang
- State Key Laboratory of Bio-organic and Natural Products Chemistry; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Ling Ling Rd Shanghai 200032 China
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14
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Synthesis of Chiral 1,4-Benzodioxanes and Chromans by Enantioselective Palladium-Catalyzed Alkene Aryloxyarylation Reactions. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201600379] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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15
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Donslund BS, Johansen TK, Poulsen PH, Halskov KS, Jørgensen KA. Die Diarylprolinolsilylether: zehn Jahre später. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201503920] [Citation(s) in RCA: 91] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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16
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Donslund BS, Johansen TK, Poulsen PH, Halskov KS, Jørgensen KA. The Diarylprolinol Silyl Ethers: Ten Years After. Angew Chem Int Ed Engl 2015; 54:13860-74. [DOI: 10.1002/anie.201503920] [Citation(s) in RCA: 233] [Impact Index Per Article: 25.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Revised: 07/22/2015] [Indexed: 12/30/2022]
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17
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Enantioselective Organocatalyzed Oxa-Michael-Aldol Cascade Reactions: Construction of Chiral 4H-Chromenes with a Trifluoromethylated Tetrasubstituted Carbon Stereocenter. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201400977] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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18
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Netscher T. Building Up Quarternary Stereocenters of Chromans by Asymmetric Redox Organocatalysis: A New Entry to Vitamin E. Angew Chem Int Ed Engl 2014; 53:14313-5. [DOI: 10.1002/anie.201409826] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2014] [Indexed: 11/09/2022]
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19
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Aufbau quartärer Chroman-Stereozentren durch asymmetrische Redox-Organokatalyse: ein neuer Zugang zu Vitamin E. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201409826] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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20
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Wu Z, Harutyunyan SR, Minnaard AJ. Total synthesis of (R,R,R)-γ-tocopherol through Cu-catalyzed asymmetric 1,2-addition. Chemistry 2014; 20:14250-5. [PMID: 25205372 DOI: 10.1002/chem.201404458] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2014] [Indexed: 11/09/2022]
Abstract
Based on the asymmetric copper-catalyzed 1,2-addition of Grignard reagents to ketones, (R,R,R)-γ-tocopherol has been synthesized in 36 % yield over 12 steps (longest linear sequence). The chiral center in the chroman ring was constructed with 73 % ee by the 1,2-addition of a phytol-derived Grignard reagent to an α-bromo enone prepared from 2,3-dimethylquinone.
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Affiliation(s)
- Zhongtao Wu
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 7, 9747 AG, Groningen (The Netherlands)
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21
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Uria U, Vila C, Lin M, Rueping M. Gold‐Catalyzed Asymmetric Allylic Substitution of Free Alcohols: An Enantioselective Approach to Chiral Chromans with Quaternary Stereocenters for the Synthesis of Vitamin E and Analogues. Chemistry 2014; 20:13913-7. [DOI: 10.1002/chem.201403768] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2014] [Indexed: 11/10/2022]
Affiliation(s)
- Uxue Uria
- Institute of Organic Chemistry, Institution RWTH Aachen University, Landoltweg 1, 52074 Aachen (Germany)
| | - Carlos Vila
- Institute of Organic Chemistry, Institution RWTH Aachen University, Landoltweg 1, 52074 Aachen (Germany)
| | - Ming‐Yuan Lin
- Institute of Organic Chemistry, Institution RWTH Aachen University, Landoltweg 1, 52074 Aachen (Germany)
| | - Magnus Rueping
- Institute of Organic Chemistry, Institution RWTH Aachen University, Landoltweg 1, 52074 Aachen (Germany)
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22
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Termath AO, Sebode H, Schlundt W, Stemmler RT, Netscher T, Bonrath W, Schmalz HG. Total synthesis of (R,R,R)-α-tocopherol through asymmetric Cu-catalyzed 1,4-addition. Chemistry 2014; 20:12051-5. [PMID: 25088810 DOI: 10.1002/chem.201404379] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2014] [Indexed: 11/05/2022]
Abstract
By introducing a disposable activating substituent at C-3, the asymmetric 1,4-addition to a notoriously unreactive 2-substituted chromenone was achieved with high levels of (2R)-stereoselectivity in the presence of a chiral Cu(I)-phosphoramidite complex as a catalyst. This paved the way for an efficient and conceptually novel synthesis of (R,R,R)-α-tocopherol from readily available starting materials.
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Affiliation(s)
- Andreas Ole Termath
- Universität zu Köln, Department für Chemie, Greinstrasse 4, 50939 Köln (Germany)
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23
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Li W, Wei J, Jia Q, Du Z, Zhang K, Wang J. Asymmetric synthesis of tetrahydroquinolines through a [3+2] cycloaddition controlled by dienamine catalysis. Chemistry 2014; 20:6592-6. [PMID: 24789078 DOI: 10.1002/chem.201402089] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2014] [Indexed: 11/06/2022]
Abstract
A dienamine-mediated enantioselective 1,3-dipolar cycloaddition catalyzed by a chiral prolinol silyl ether catalyst has been developed. Removal of the benzamide group of the intermediates could furnish chiral C-1 substituted tetrahydroisoquinolines (see scheme) in high yields and excellent stereoselectivities.
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Affiliation(s)
- Wenjun Li
- Allan H. Conney Laboratory for Anticancer Research, Guangdong University of Technology, Guang Dong, 510006 (China); Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543 (Singapore), Fax: (+65) 6516-1691
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24
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Xia AB, Wu C, Wang T, Zhang YP, Du XH, Zhong AG, Xu DQ, Xu ZY. Enantioselective Cascade Oxa-Michael-Michael Reactions of 2-Hydroxynitrostyrenes with Enones Using a Prolinol Thioether Catalyst. Adv Synth Catal 2014. [DOI: 10.1002/adsc.201301114] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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25
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Johansen TK, Villegas Gómez C, Bak JR, Davis RL, Jørgensen KA. Organocatalytic enantioselective cycloaddition reactions of dienamines with quinones. Chemistry 2013; 19:16518-22. [PMID: 24281799 DOI: 10.1002/chem.201303526] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2013] [Indexed: 11/10/2022]
Affiliation(s)
- Tore Kiilerich Johansen
- Center for Catalysis, Department of Chemistry, Aarhus University, Langelandsgade 140, 8000 Aarhus C (Denmark)
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Shi XM, Dong WP, Zhu LP, Jiang XX, Wang R. Asymmetric Vinylogous Michael Addition/Cyclization Cascade Reaction for the Construction of Diversely Structured Spiro- Oxindole Skeletons. Adv Synth Catal 2013. [DOI: 10.1002/adsc.201300329] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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Yang D, Wang L, Han F, Zhao D, Zhang B, Wang R. Direct Site-Specific and Highly Enantioselective γ-Functionalization of Linear α,β-Unsaturated Ketones: Bifunctional Catalytic Strategy. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201301146] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Yang D, Wang L, Han F, Zhao D, Zhang B, Wang R. Direct Site-Specific and Highly Enantioselective γ-Functionalization of Linear α,β-Unsaturated Ketones: Bifunctional Catalytic Strategy. Angew Chem Int Ed Engl 2013; 52:6739-42. [DOI: 10.1002/anie.201301146] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2013] [Indexed: 12/29/2022]
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Eggersdorfer M, Laudert D, Létinois U, McClymont T, Medlock J, Netscher T, Bonrath W. Einhundert Jahre Vitamine - eine naturwissenschaftliche Erfolgsgeschichte. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201205886] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Eggersdorfer M, Laudert D, Létinois U, McClymont T, Medlock J, Netscher T, Bonrath W. One Hundred Years of Vitamins-A Success Story of the Natural Sciences. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/anie.201205886] [Citation(s) in RCA: 178] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Cassani C, Melchiorre P. Direct Catalytic Enantioselective Vinylogous Aldol Reaction of α-Branched Enals with Isatins. Org Lett 2012; 14:5590-3. [DOI: 10.1021/ol302711w] [Citation(s) in RCA: 94] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Carlo Cassani
- ICREA - Institució Catalana de Recerca i Estudis Avançats, Pg. Lluís Companys, 23 08010 Barcelona, Spain, and ICIQ - Institute of Chemical Research of Catalonia, Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Paolo Melchiorre
- ICREA - Institució Catalana de Recerca i Estudis Avançats, Pg. Lluís Companys, 23 08010 Barcelona, Spain, and ICIQ - Institute of Chemical Research of Catalonia, Av. Països Catalans 16, 43007 Tarragona, Spain
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Melchiorre P. Katalyse mit primären Cinchona-Aminen zur asymmetrischen Funktionalisierung von Carbonylverbindungen. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201109036] [Citation(s) in RCA: 111] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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Melchiorre P. Cinchona-based primary amine catalysis in the asymmetric functionalization of carbonyl compounds. Angew Chem Int Ed Engl 2012; 51:9748-70. [PMID: 22893602 DOI: 10.1002/anie.201109036] [Citation(s) in RCA: 362] [Impact Index Per Article: 30.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2011] [Indexed: 12/21/2022]
Abstract
Asymmetric aminocatalysis exploits the potential of chiral primary and secondary amines to catalyze asymmetric reactions. It has greatly simplified the functionalization of carbonyl compounds while ensuring high enantioselectivity. Recent advances in cinchona-based primary amine catalysis have provided new synthetic opportunities and conceptual perspectives for successfully attacking major challenges in carbonyl compound chemistry, which traditional approaches have not been able to address. This Review outlines the historical context for the development of this catalyst class while charting the landmark discoveries and applications that have further expanded the synthetic potential of aminocatalysis.
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Affiliation(s)
- Paolo Melchiorre
- ICREA-Institució Catalana de Recerca i Estudis Avançats, Passeig Lluís Companys 23, Barcelona, Spain.
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Albrecht Ł, Cruz Acosta F, Fraile A, Albrecht A, Christensen J, Jørgensen KA. Enantioselective H-Bond-Directing Approach for Trienamine-mediated Reactions in Asymmetric Synthesis. Angew Chem Int Ed Engl 2012; 51:9088-92. [DOI: 10.1002/anie.201204790] [Citation(s) in RCA: 82] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2012] [Indexed: 11/06/2022]
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Albrecht Ł, Cruz Acosta F, Fraile A, Albrecht A, Christensen J, Jørgensen KA. Enantioselective H-Bond-Directing Approach for Trienamine-mediated Reactions in Asymmetric Synthesis. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201204790] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Bröhmer MC, Bourcet E, Nieger M, Bräse S. A Unified Strategy for the Asymmetric Total Syntheses of Diversonol and Lachnone C. Chemistry 2011; 17:13706-11. [DOI: 10.1002/chem.201102192] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2011] [Indexed: 11/06/2022]
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Ramachary DB, Reddy YV. Dienamine Catalysis: An Emerging Technology in Organic Synthesis. European J Org Chem 2011. [DOI: 10.1002/ejoc.201101157] [Citation(s) in RCA: 214] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
| | - Y. Vijayendar Reddy
- School of Chemistry, University of Hyderabad, Hyderabad‐500 046, India, Fax: +91‐40‐23012460
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Yu DF, Wang Y, Xu PF. Diastereo- and Enantioselective Synthesis of a Novel Tetracyclic Ring System via an Organocatalytic One-Pot Reaction. Adv Synth Catal 2011. [DOI: 10.1002/adsc.201100332] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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39
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Lee Y, Seo SW, Kim SG. Highly Enantioselective Conjugate Addition-Cyclization Cascade Reaction of Malonates with o-Hydroxycinnamaldehydes: Asymmetric Synthesis of 4-Substituted Chromanols. Adv Synth Catal 2011. [DOI: 10.1002/adsc.201100324] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Sparr C, Gilmour R. Cyclopropyl Iminium Activation: Reactivity Umpolung in Enantioselective Organocatalytic Reaction Design. Angew Chem Int Ed Engl 2011. [DOI: 10.1002/ange.201103360] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Sparr C, Gilmour R. Cyclopropyl Iminium Activation: Reactivity Umpolung in Enantioselective Organocatalytic Reaction Design. Angew Chem Int Ed Engl 2011; 50:8391-5. [DOI: 10.1002/anie.201103360] [Citation(s) in RCA: 89] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2011] [Revised: 06/30/2011] [Indexed: 11/06/2022]
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42
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Jiang H, Gschwend B, Albrecht Ł, Hansen SG, Jørgensen KA. Asymmetric trienamine catalysis for the construction of structurally rigid cyclic α,α-disubstituted amino acid derivatives. Chemistry 2011; 17:9032-6. [PMID: 21744409 DOI: 10.1002/chem.201101539] [Citation(s) in RCA: 78] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2011] [Indexed: 11/05/2022]
Affiliation(s)
- Hao Jiang
- Center for Catalysis, Aarhus University, Langelandsgade 140, 8000 Aarhus C, Denmark
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43
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Pansare SV, Paul EK. The Organocatalytic Vinylogous Aldol Reaction: Recent Advances. Chemistry 2011; 17:8770-9. [DOI: 10.1002/chem.201101269] [Citation(s) in RCA: 154] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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44
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Wang X, Peng L, An J, Li C, Yang Q, Lu L, Gu F, Xiao W. Enantioselective Intramolecular Crossed Rauhut–Currier Reactions through Cooperative Nucleophilic Activation and Hydrogen‐Bonding Catalysis: Scope and Mechanistic Insight. Chemistry 2011; 17:6484-91. [PMID: 21538618 DOI: 10.1002/chem.201100479] [Citation(s) in RCA: 74] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2011] [Indexed: 11/07/2022]
Affiliation(s)
- Xu‐Fan Wang
- Key laboratory of Pesticide and Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079 (P.R. China), Fax: (+86) 27‐6786‐2041
| | - Liang Peng
- Center for Computational Quantum Chemistry, South China Normal University, West 55 Zhongshan Road, Guangzhou, Guangdong 510009 (P.R. China), Fax: (+86) 20‐3931‐0544
| | - Jing An
- Key laboratory of Pesticide and Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079 (P.R. China), Fax: (+86) 27‐6786‐2041
| | - Chao Li
- Key laboratory of Pesticide and Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079 (P.R. China), Fax: (+86) 27‐6786‐2041
| | - Qing‐Qing Yang
- Key laboratory of Pesticide and Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079 (P.R. China), Fax: (+86) 27‐6786‐2041
| | - Liang‐Qiu Lu
- Key laboratory of Pesticide and Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079 (P.R. China), Fax: (+86) 27‐6786‐2041
| | - Feng‐Long Gu
- Center for Computational Quantum Chemistry, South China Normal University, West 55 Zhongshan Road, Guangzhou, Guangdong 510009 (P.R. China), Fax: (+86) 20‐3931‐0544
| | - Wen‐Jing Xiao
- Key laboratory of Pesticide and Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079 (P.R. China), Fax: (+86) 27‐6786‐2041
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Bergonzini G, Vera S, Melchiorre P. Cooperative Organocatalysis for the Asymmetric γ Alkylation of α-Branched Enals. Angew Chem Int Ed Engl 2010. [DOI: 10.1002/ange.201004761] [Citation(s) in RCA: 90] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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46
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Bergonzini G, Vera S, Melchiorre P. Cooperative Organocatalysis for the Asymmetric γ Alkylation of α-Branched Enals. Angew Chem Int Ed Engl 2010; 49:9685-8. [DOI: 10.1002/anie.201004761] [Citation(s) in RCA: 206] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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47
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Wang XF, Hua QL, Cheng Y, An XL, Yang QQ, Chen JR, Xiao WJ. Organocatalytic Asymmetric Sulfa-Michael/Michael Addition Reactions: A Strategy for the Synthesis of Highly Substituted Chromans with a Quaternary Stereocenter. Angew Chem Int Ed Engl 2010. [DOI: 10.1002/ange.201004534] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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48
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Wang XF, Hua QL, Cheng Y, An XL, Yang QQ, Chen JR, Xiao WJ. Organocatalytic Asymmetric Sulfa-Michael/Michael Addition Reactions: A Strategy for the Synthesis of Highly Substituted Chromans with a Quaternary Stereocenter. Angew Chem Int Ed Engl 2010; 49:8379-83. [PMID: 20931588 DOI: 10.1002/anie.201004534] [Citation(s) in RCA: 120] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Xu-Fan Wang
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, 152 Luoyu Road, Wuhan, Hubei 430079, China
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Menichetti S, Amorati R, Bartolozzi MG, Pedulli GF, Salvini A, Viglianisi C. A Straightforward Hetero-Diels-Alder Approach to (2-ambo,4′R,8′R)-α/β/γ/δ-4-Thiatocopherol. European J Org Chem 2010. [DOI: 10.1002/ejoc.200901493] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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50
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Xu LW, Li L, Shi ZH. Asymmetric Synthesis with Silicon-Based Bulky Amino Organocatalysts. Adv Synth Catal 2010. [DOI: 10.1002/adsc.200900797] [Citation(s) in RCA: 203] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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