1
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Zhao Y, Luo Y, Liu J, Zheng C, Zhao G. Multiple Hydrogen-Bonding Catalysts Enhance the Asymmetric Cyanation of Ketimines and Aldimines. Chemistry 2023; 29:e202302061. [PMID: 37463871 DOI: 10.1002/chem.202302061] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 07/18/2023] [Accepted: 07/18/2023] [Indexed: 07/20/2023]
Abstract
A highly enantioselective cyanation of imines (up to >99 % ee) has been developed using well-designed C2 -symmetric hydrogen bonding catalysts. The catalytic strategy was characterized with low catalyst loading (0.1-1 mol %), easily accessible catalysts with diverse functional groups, and catalytic base additives. A wide range of imines, including the challenging N-Boc and N-Cbz protected ketimines and aldimines, as well as fluoroalkylated ketimines, were investigated under mild conditions to afford the products with good to excellent yields (up to 99 % yield) and high enantioselectivity (up to >99 % ee). Control experiments revealed that the multiple hydrogen bonding catalysts enhanced the reactivity and enantioselectivity of the Strecker reaction initiated by the base.
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Affiliation(s)
- Yunhui Zhao
- Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, Hunan, 411201, P. R. China
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecular, Ministry of Education, Hunan University of Science and Technology, Xiangtan, Hunan, 411201, P. R. China
| | - Yueyang Luo
- Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, Hunan, 411201, P. R. China
| | - Jun Liu
- Key Laboratory of Synthetic Chemistry of Natural Substances Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, P. R. China
| | - Changwu Zheng
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, P. R. China
| | - Gang Zhao
- Key Laboratory of Synthetic Chemistry of Natural Substances Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, P. R. China
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2
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Mo Y, Chen Q, Li J, Ye D, Zhou Y, Dong S, Liu X, Feng X. Asymmetric Catalytic Conjugate Addition of Cyanide to Chromones and β-Substituted Cyclohexenones. ACS Catal 2022. [DOI: 10.1021/acscatal.2c05509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Yuhao Mo
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Qiyou Chen
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Jinzhao Li
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Dong Ye
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Yuqiao Zhou
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Shunxi Dong
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Xiaohua Liu
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
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3
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Benda MC, France S. Chiral disulfonimides: a versatile template for asymmetric catalysis. Org Biomol Chem 2020; 18:7485-7513. [PMID: 32940322 DOI: 10.1039/d0ob01742f] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Since the emergence of pseudo-C2-symmetric chiral phosphoric acids (CPA), much work has been done to utilize these systems in stereoselective, organocatalytic processes. Despite the success in this field, reasonably basic substrates such as imines are often required to achieve appreciable activation. In order to access a wider variety of potential reaction partners, many related organocatalysts with enhanced Brønsted acidity have since been developed. Chiral disulfonimides (DSIs) have materialized as one such powerful class of organocatalysts and have been shown to expand the list of potential substrates to include aldehydes and ketones via Brønsted, Lewis, or bifunctional acid activation. This versatility renders DSIs amenable to an impressive scope of reaction types, typically with remarkable stereoselectivity induced by asymmetric counteranion-directed catalysis (ACDC). This review serves to provide a complete analysis of the successful applications, mechanistic insights, and unmet challenges exhibited to date in DSI-catalyzed and -assisted processes.
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Affiliation(s)
- Meghan C Benda
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332, USA.
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4
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Liu TL, Li ZF, Tao J, Li QH, Li WF, Li Q, Ren LQ, Peng YG. Cyano-borrowing: titanium-catalyzed direct amination of cyanohydrins with amines and enantioselective examples. Chem Commun (Camb) 2020; 56:651-654. [PMID: 31840151 DOI: 10.1039/c9cc08576a] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The direct amination of cyanohydrins with amines via a catalytic cyano-borrowing reaction was developed. The transformation features broad substrate scope, excellent functional group compatibility, and very mild and simple operations. Moreover, a titanium catalyst supported by quinine and (S)-BINOL ligands enabled an asymmetric cyano-borrowing reaction with moderate to high enantioselectivity.
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Affiliation(s)
- Tang-Lin Liu
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China.
| | - Zhao-Feng Li
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China.
| | - Jing Tao
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China.
| | - Qing-Hua Li
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China.
| | - Wan-Fang Li
- College of Science, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Qian Li
- College of Science, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Li-Qing Ren
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China.
| | - Yun-Gui Peng
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China.
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5
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Saghyan AS, Mkrtchyan AF, Mardiyan ZZ, Hayriyan LA, Karapetyan AJ, Belokon YN, Ehlers P, Langer P. Synthesis of Enantiomerically Enriched Alkynylaryl‐Substituted α‐Amino Acids through Sonogashira Reactions. ChemistrySelect 2019. [DOI: 10.1002/slct.201903072] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Ashot S. Saghyan
- Institute of PharmacyYerevan State University 1 Alex Manoogian Str. 0025 Yerevan Armenia
- Scientific and Production Center “Armbiotechnology” of NAS RA 14 Gyurjyan Str. 0056 Yerevan Armenia
| | - Anna F. Mkrtchyan
- Institute of PharmacyYerevan State University 1 Alex Manoogian Str. 0025 Yerevan Armenia
- Scientific and Production Center “Armbiotechnology” of NAS RA 14 Gyurjyan Str. 0056 Yerevan Armenia
| | - Zorayr Z. Mardiyan
- Institute of PharmacyYerevan State University 1 Alex Manoogian Str. 0025 Yerevan Armenia
- Scientific and Production Center “Armbiotechnology” of NAS RA 14 Gyurjyan Str. 0056 Yerevan Armenia
| | - Liana A. Hayriyan
- Scientific and Production Center “Armbiotechnology” of NAS RA 14 Gyurjyan Str. 0056 Yerevan Armenia
| | - Ani J. Karapetyan
- Institute of PharmacyYerevan State University 1 Alex Manoogian Str. 0025 Yerevan Armenia
- Scientific and Production Center “Armbiotechnology” of NAS RA 14 Gyurjyan Str. 0056 Yerevan Armenia
| | - Yuri N. Belokon
- Nesmeyanov Institute of Organoelement Compounds of RAS Vavilov Str. 28 119991 Moscow Russian Federation
| | - Peter Ehlers
- Universität RostockInstitut für Chemie A.-Einstein-Str. 3a 18059 Rostock Germany
- Leibniz Institut für Katalyse an der Universität Rostock e.V. A.-Einstein-Str. 29a 18059 Rostock Germany
| | - Peter Langer
- Universität RostockInstitut für Chemie A.-Einstein-Str. 3a 18059 Rostock Germany
- Leibniz Institut für Katalyse an der Universität Rostock e.V. A.-Einstein-Str. 29a 18059 Rostock Germany
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6
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Li QH, Li ZF, Tao J, Li WF, Ren LQ, Li Q, Peng YG, Liu TL. Titanium-Catalyzed Cyano-Borrowing Reaction for the Direct Amination of Cyanohydrins with Ammonia. Org Lett 2019; 21:8429-8433. [PMID: 31592676 DOI: 10.1021/acs.orglett.9b03194] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
α-Aminonitrile was an important building block in natural products and key intermedia in organic chemistry. Herein, the direct amination of cyanohydrins with the partner of ammonia to synthesis N-unprotected α-aminonitriles is developed. The reaction proceeds via titanium-catalyzed cyano-borrowing reaction, which features high atom economy and simple operation. A broad range of ketone or aldehyde cyanohydrins was tolerated with ammonia, and the N-unprotected α-aminonitriles were synthesis with moderate to high yields under mild reaction conditions.
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Affiliation(s)
- Qing-Hua Li
- School of Chemistry and Chemical Engineering , Southwest University , Chongqing 400715 , China
| | - Zhao-Feng Li
- School of Chemistry and Chemical Engineering , Southwest University , Chongqing 400715 , China
| | - Jing Tao
- School of Chemistry and Chemical Engineering , Southwest University , Chongqing 400715 , China
| | - Wan-Fang Li
- College of Science , University of Shanghai for Science and Technology , Shanghai 200093 , China
| | - Li-Qing Ren
- School of Chemistry and Chemical Engineering , Southwest University , Chongqing 400715 , China
| | - Qian Li
- School of Chemistry and Chemical Engineering , Southwest University , Chongqing 400715 , China
| | - Yun-Gui Peng
- School of Chemistry and Chemical Engineering , Southwest University , Chongqing 400715 , China
| | - Tang-Lin Liu
- School of Chemistry and Chemical Engineering , Southwest University , Chongqing 400715 , China
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7
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Ohkuma T, Kurono N, Arai N. Development of Asymmetric Reactions Catalyzed by Ruthenium Complexes with Two Kinds of Ligands. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2019. [DOI: 10.1246/bcsj.20180328] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Takeshi Ohkuma
- Division of Applied Chemistry & Frontier Chemistry Center, Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido 060-8628, Japan
| | - Nobuhito Kurono
- Department of Chemistry, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka 431-3192, Japan
| | - Noriyoshi Arai
- Division of Applied Chemistry & Frontier Chemistry Center, Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido 060-8628, Japan
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8
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Yi B, Yan N, Yi N, Xie Y, Wen X, Au CT, Lan D. Oxidative cyanation of N-aryltetrahydroisoquinoline induced by visible light for the synthesis of α-aminonitrile using potassium thiocyanate as a “CN” agent. RSC Adv 2019; 9:29721-29725. [PMID: 35531501 PMCID: PMC9071963 DOI: 10.1039/c9ra06120g] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 09/12/2019] [Indexed: 11/21/2022] Open
Abstract
A novel method for the synthesis of α-aminonitrile, through visible-light-induced oxidative cyanation of N-aryltetrahydroisoquinoline with potassium thiocyanate, has been developed.
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Affiliation(s)
- Bing Yi
- Hunan Province Key Laboratory of Environmental Catalysis and Waste Rechemistry
- College of Chemistry and Chemical Engineering
- Hunan Institute of Engineering
- Xiangtan
- P. R. China
| | - Ning Yan
- Hunan Province Key Laboratory of Environmental Catalysis and Waste Rechemistry
- College of Chemistry and Chemical Engineering
- Hunan Institute of Engineering
- Xiangtan
- P. R. China
| | - Niannian Yi
- Hunan Province Key Laboratory of Environmental Catalysis and Waste Rechemistry
- College of Chemistry and Chemical Engineering
- Hunan Institute of Engineering
- Xiangtan
- P. R. China
| | - Yanjun Xie
- Hunan Province Key Laboratory of Environmental Catalysis and Waste Rechemistry
- College of Chemistry and Chemical Engineering
- Hunan Institute of Engineering
- Xiangtan
- P. R. China
| | - Xiaoyong Wen
- Hunan Province Key Laboratory of Environmental Catalysis and Waste Rechemistry
- College of Chemistry and Chemical Engineering
- Hunan Institute of Engineering
- Xiangtan
- P. R. China
| | - Chak-Tong Au
- Hunan Province Key Laboratory of Environmental Catalysis and Waste Rechemistry
- College of Chemistry and Chemical Engineering
- Hunan Institute of Engineering
- Xiangtan
- P. R. China
| | - Donghui Lan
- Hunan Province Key Laboratory of Environmental Catalysis and Waste Rechemistry
- College of Chemistry and Chemical Engineering
- Hunan Institute of Engineering
- Xiangtan
- P. R. China
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9
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Takamatsu N, Aiba S, Yamada T, Tokunaga Y, Kawasaki T. Highly Stereoselective Strecker Synthesis Induced by a Slight Modification of Benzhydrylamine from Achiral to Chiral. Chemistry 2017; 24:1304-1310. [DOI: 10.1002/chem.201704033] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Indexed: 11/11/2022]
Affiliation(s)
- Naoya Takamatsu
- Department of Materials Science and Engineering; University of Fukui, Bunkyo; Fukui 910-8507 Japan
| | - Shohei Aiba
- Department of Materials Science and Engineering; University of Fukui, Bunkyo; Fukui 910-8507 Japan
| | - Takuya Yamada
- Department of Materials Science and Engineering; University of Fukui, Bunkyo; Fukui 910-8507 Japan
| | - Yuji Tokunaga
- Department of Materials Science and Engineering; University of Fukui, Bunkyo; Fukui 910-8507 Japan
| | - Tsuneomi Kawasaki
- Department of Applied Chemistry; Tokyo University of Science, Kagurazaka, Shinjuku-ku; Tokyo 162-8601 Japan
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10
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Biancalana L, Tuci G, Piccinelli F, Marchetti F, Bortoluzzi M, Pampaloni G. Vanadium(v) oxoanions in basic water solution: a simple oxidative system for the one pot selective conversion of l-proline to pyrroline-2-carboxylate. Dalton Trans 2017; 46:15059-15069. [PMID: 29063086 DOI: 10.1039/c7dt02702h] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The unprecedented, direct chemical oxidation of l-proline to pyrroline-2-carboxylate was achieved in water (pH 9-10) by means of NH4VO3/NH3 or V2O5/MOH (K = Na, K), and the anion was fully characterized as ammonium or alkaline metal salts. Quantitative yield and higher atom economy performance were achieved with the latter system, the alkaline salts being more stable than the ammonium one. Different mixed valence V(iv)/V(v) compounds precipitated from the reaction mixtures depending on the nature of the employed base. A possible reaction mechanism is proposed according to DFT calculations. The analogous reaction of trans-4-hydroxy-l-proline with NH4VO3/NH3 afforded pyrrole-2-carboxylic acid in 81% yield, while sarcosine underwent prevalent decomposition under similar experimental conditions. Instead, no reaction was observed with primary (glycine, l-alanine, l-phenylalanine) and tertiary α-amino acids (N,N-dimethyl-l-phenylalanine, N,N-dimethylglycine).
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Affiliation(s)
- Lorenzo Biancalana
- University of Pisa, Dipartimento di Chimica e Chimica Industriale, Via G. Moruzzi 13, I-56124 Pisa, Italy.
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11
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San Segundo M, Guerrero I, Correa A. Co-Catalyzed C(sp3)–H Oxidative Coupling of Glycine and Peptide Derivatives. Org Lett 2017; 19:5288-5291. [DOI: 10.1021/acs.orglett.7b02567] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Marcos San Segundo
- Department of Organic Chemistry-I, University of the Basque Country (UPV-EHU), Joxe Mari Korta R&D Center, Av. Tolosa 72, 20018 Donostia-San Sebastián, Spain
| | - Itziar Guerrero
- Department of Organic Chemistry-I, University of the Basque Country (UPV-EHU), Joxe Mari Korta R&D Center, Av. Tolosa 72, 20018 Donostia-San Sebastián, Spain
| | - Arkaitz Correa
- Department of Organic Chemistry-I, University of the Basque Country (UPV-EHU), Joxe Mari Korta R&D Center, Av. Tolosa 72, 20018 Donostia-San Sebastián, Spain
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12
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Parmar D, Sugiono E, Raja S, Rueping M. Addition and Correction to Complete Field Guide to Asymmetric BINOL-Phosphate Derived Brønsted Acid and Metal Catalysis: History and Classification by Mode of Activation; Brønsted Acidity, Hydrogen Bonding, Ion Pairing, and Metal Phosphates. Chem Rev 2017; 117:10608-10620. [DOI: 10.1021/acs.chemrev.7b00197] [Citation(s) in RCA: 107] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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13
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Hamachi Y, Katano M, Ogiwara Y, Sakai N. Production of Quaternary α-Aminonitriles by Means of Indium-Catalyzed Three-Component Reaction of Alkynes, Amines, and Trimethylsilyl Cyanide. Org Lett 2016; 18:1634-7. [DOI: 10.1021/acs.orglett.6b00508] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yuta Hamachi
- Department
of Pure and Applied
Chemistry, Faculty of Science and Technology, Tokyo University of Science (RIKADAI), Noda, Chiba 278-8510, Japan
| | - Moe Katano
- Department
of Pure and Applied
Chemistry, Faculty of Science and Technology, Tokyo University of Science (RIKADAI), Noda, Chiba 278-8510, Japan
| | - Yohei Ogiwara
- Department
of Pure and Applied
Chemistry, Faculty of Science and Technology, Tokyo University of Science (RIKADAI), Noda, Chiba 278-8510, Japan
| | - Norio Sakai
- Department
of Pure and Applied
Chemistry, Faculty of Science and Technology, Tokyo University of Science (RIKADAI), Noda, Chiba 278-8510, Japan
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14
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Affiliation(s)
- Nobuhito Kurono
- Department of Chemistry, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka 431-3192, Japan
| | - Takeshi Ohkuma
- Division of Applied Chemistry and Frontier Chemistry Center, Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido 060-8628, Japan
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15
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Afraj SN, Chen C, Lee GH. Synthesis of decahydropyrrolo[1,2-a]tetrazolo[1,5-d]pyrazines via Strecker reaction and intramolecular [3+2] cycloaddition. RSC Adv 2016. [DOI: 10.1039/c6ra00063k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
An efficient method for synthesizing a series of novel (5aS,10R)-10-aryl-5,5a,6,7,8,10-hexahydropyrrolo[1,2-a]tetrazolo[1,5-d]pyrazines by using a catalyst-free three-component Strecker reaction followed by an intramolecular [3+2] cycloaddition.
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Affiliation(s)
- Shakil N. Afraj
- Department of Chemistry
- National Dong Hwa University
- Hualien
- Taiwan
| | - Chinpiao Chen
- Department of Chemistry
- National Dong Hwa University
- Hualien
- Taiwan
- Department of Nursing
| | - Gene-Hsian Lee
- Instrumentation Center
- National Taiwan University
- Taipei 10617
- Taiwan
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16
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Izquierdo C, Esteban F, Ruano JLG, Fraile A, Alemán J. Asymmetric Synthesis of 1,2-Diamines bearing Tetrasubstituted Centers from Nonstabilized Azomethine Ylides and N-Sulfinylketimines under Brønsted Acid Catalysis. Org Lett 2015; 18:92-5. [DOI: 10.1021/acs.orglett.5b03251] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Cristina Izquierdo
- Organic Chemistry
Department,
Science Faculty, Universidad Autonóma de Madrid, Madrid 28049, Spain
| | - Francisco Esteban
- Organic Chemistry
Department,
Science Faculty, Universidad Autonóma de Madrid, Madrid 28049, Spain
| | - José Luis García Ruano
- Organic Chemistry
Department,
Science Faculty, Universidad Autonóma de Madrid, Madrid 28049, Spain
| | - Alberto Fraile
- Organic Chemistry
Department,
Science Faculty, Universidad Autonóma de Madrid, Madrid 28049, Spain
| | - José Alemán
- Organic Chemistry
Department,
Science Faculty, Universidad Autonóma de Madrid, Madrid 28049, Spain
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17
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Jörres M, Aceña JL, Soloshonok VA, Bolm C. Asymmetric Carbon-Carbon Bond Formation under Solventless Conditions in Ball Mills. ChemCatChem 2015. [DOI: 10.1002/cctc.201500102] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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18
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Saravanan S, Khan NUH, Jakhar A, Ansari A, Kureshy RI, Abdi SHR, Kumar G. Enantioselective Strecker reaction of aldimines using potassium cyanide catalyzed by a recyclable macrocyclic V(v) salen complex. RSC Adv 2015. [DOI: 10.1039/c5ra18914d] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Chiral dimeric V(v) salen complexes have been synthesized and used as catalysts for asymmetric Strecker reaction of N-benzylimines using both KCN to produce chiral α-amino nitrile. The catalyst was recycled upto five times without loss in its activity.
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Affiliation(s)
- S. Saravanan
- Inorganic Materials and Catalysis Division
- CSIR-Central Salt and Marine Chemicals Research Institute
- Bhavnagar-364 002
- India
- Academy of Scientific and Innovative Research
| | - Noor-ul H. Khan
- Inorganic Materials and Catalysis Division
- CSIR-Central Salt and Marine Chemicals Research Institute
- Bhavnagar-364 002
- India
- Academy of Scientific and Innovative Research
| | - Ajay Jakhar
- Inorganic Materials and Catalysis Division
- CSIR-Central Salt and Marine Chemicals Research Institute
- Bhavnagar-364 002
- India
- Academy of Scientific and Innovative Research
| | - Amamudin Ansari
- Inorganic Materials and Catalysis Division
- CSIR-Central Salt and Marine Chemicals Research Institute
- Bhavnagar-364 002
- India
- Academy of Scientific and Innovative Research
| | - Rukhsana I. Kureshy
- Inorganic Materials and Catalysis Division
- CSIR-Central Salt and Marine Chemicals Research Institute
- Bhavnagar-364 002
- India
- Academy of Scientific and Innovative Research
| | - Sayed H. R. Abdi
- Inorganic Materials and Catalysis Division
- CSIR-Central Salt and Marine Chemicals Research Institute
- Bhavnagar-364 002
- India
- Academy of Scientific and Innovative Research
| | - Gaurav Kumar
- Inorganic Materials and Catalysis Division
- CSIR-Central Salt and Marine Chemicals Research Institute
- Bhavnagar-364 002
- India
- Academy of Scientific and Innovative Research
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19
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Bera K, Namboothiri INN. Asymmetric Synthesis of Quaternary α-Amino Acids and Their Phosphonate Analogues. ASIAN J ORG CHEM 2014. [DOI: 10.1002/ajoc.201402178] [Citation(s) in RCA: 100] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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20
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Parmar D, Sugiono E, Raja S, Rueping M. Complete field guide to asymmetric BINOL-phosphate derived Brønsted acid and metal catalysis: history and classification by mode of activation; Brønsted acidity, hydrogen bonding, ion pairing, and metal phosphates. Chem Rev 2014; 114:9047-153. [PMID: 25203602 DOI: 10.1021/cr5001496] [Citation(s) in RCA: 1508] [Impact Index Per Article: 150.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Dixit Parmar
- Institute of Organic Chemistry, RWTH Aachen University , Landoltweg 1, 52074 Aachen, Germany
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21
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Nestl BM, Hammer SC, Nebel BA, Hauer B. New generation of biocatalysts for organic synthesis. Angew Chem Int Ed Engl 2014; 53:3070-95. [PMID: 24520044 DOI: 10.1002/anie.201302195] [Citation(s) in RCA: 235] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2013] [Indexed: 02/04/2023]
Abstract
The use of enzymes as catalysts for the preparation of novel compounds has received steadily increasing attention over the past few years. High demands are placed on the identification of new biocatalysts for organic synthesis. The catalysis of more ambitious reactions reflects the high expectations of this field of research. Enzymes play an increasingly important role as biocatalysts in the synthesis of key intermediates for the pharmaceutical and chemical industry, and new enzymatic technologies and processes have been established. Enzymes are an important part of the spectrum of catalysts available for synthetic chemistry. The advantages and applications of the most recent and attractive biocatalysts--reductases, transaminases, ammonia lyases, epoxide hydrolases, and dehalogenases--will be discussed herein and exemplified by the syntheses of interesting compounds.
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Affiliation(s)
- Bettina M Nestl
- Technische Biochemie, Universität Stuttgart, Stuttgart (Germany)
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Nestl BM, Hammer SC, Nebel BA, Hauer B. Biokatalysatoren für die organische Synthese - die neue Generation. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201302195] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Saravanan S, Khan NUH, Kureshy RI, Abdi SHR, Bajaj HC. Small Molecule as a Chiral Organocatalyst for Asymmetric Strecker Reaction. ACS Catal 2013. [DOI: 10.1021/cs400742d] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- S. Saravanan
- Discipline of Inorganic Materials and Catalysis and ‡Academy of Scientific and Industrial Research, Central Salt and Marine Chemicals Research Institute (CSMCRI), Council of Scientific & Industrial Research (CSIR), G. B. Marg, Bhavnagar-364 021, Gujarat, India
| | - Noor-ul H. Khan
- Discipline of Inorganic Materials and Catalysis and ‡Academy of Scientific and Industrial Research, Central Salt and Marine Chemicals Research Institute (CSMCRI), Council of Scientific & Industrial Research (CSIR), G. B. Marg, Bhavnagar-364 021, Gujarat, India
| | - Rukhsana I. Kureshy
- Discipline of Inorganic Materials and Catalysis and ‡Academy of Scientific and Industrial Research, Central Salt and Marine Chemicals Research Institute (CSMCRI), Council of Scientific & Industrial Research (CSIR), G. B. Marg, Bhavnagar-364 021, Gujarat, India
| | - Sayed H. R. Abdi
- Discipline of Inorganic Materials and Catalysis and ‡Academy of Scientific and Industrial Research, Central Salt and Marine Chemicals Research Institute (CSMCRI), Council of Scientific & Industrial Research (CSIR), G. B. Marg, Bhavnagar-364 021, Gujarat, India
| | - Hari C. Bajaj
- Discipline of Inorganic Materials and Catalysis and ‡Academy of Scientific and Industrial Research, Central Salt and Marine Chemicals Research Institute (CSMCRI), Council of Scientific & Industrial Research (CSIR), G. B. Marg, Bhavnagar-364 021, Gujarat, India
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Kurono N, Katayama T, Ohkuma T. Preparation of Diastereomerically Pure and Mixed (S)-PhGly/BIPHEP/Ru(II) Complexes and Their Catalytic Behavior with Li2CO3 in Asymmetric Cyanosilylation of Benzaldehyde. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2013. [DOI: 10.1246/bcsj.20120351] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Nobuhito Kurono
- Division of Chemical Process Engineering, Faculty of Engineering, Hokkaido University
| | - Taiki Katayama
- Division of Chemical Process Engineering, Faculty of Engineering, Hokkaido University
| | - Takeshi Ohkuma
- Division of Chemical Process Engineering, Faculty of Engineering, Hokkaido University
- Frontier Chemistry Center, Faculty of Engineering, Hokkaido University
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Saravanan S, Khan NUH, Bera PK, Kureshy RI, Abdi SHR, Kumari P, Bajaj HC. Catalysis of Enantioselective Strecker Reaction in the Synthesis ofD-Homophenylalanine Using Recyclable, Chiral, Macrocyclic MnIII-Salen Complexes. ChemCatChem 2013. [DOI: 10.1002/cctc.201200700] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Scalable organocatalytic asymmetric Strecker reactions catalysed by a chiral cyanide generator. Nat Commun 2012; 3:1212. [DOI: 10.1038/ncomms2216] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2012] [Accepted: 10/23/2012] [Indexed: 11/09/2022] Open
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27
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Nie L, Yang R, Zhang C, Yin H, Yan S, Lin J. Asymmetric Synthesis of All Four Isomers of an Unusual Heterocycle-Containing Amino Acid: 2-Amino-3-furan-2-yl-pentanoic Acid. CHINESE J CHEM 2012. [DOI: 10.1002/cjoc.201180489] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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28
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Uemura M, Kurono N, Ohkuma T. Enantioselective hydrocyanation of N-protected aldimines. Org Lett 2012; 14:882-5. [PMID: 22260419 DOI: 10.1021/ol203408w] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Enantioselective hydrocyanation of N-benzyloxycarbonyl aldimines catalyzed by a Ru[(S)-phgly](2)[(S)-binap]/C(6)H(5)OLi system or a bimetallic complex [Li{Ru[(S)-phgly](2)[(S)-binap]}]Cl affords the amino nitriles in 92-99% ee. The reaction is carried out in tert-C(4)H(9)OCH(3) with a substrate-to-catalyst molar ratio in the range of 500-5000 at -20 to 0 °C. Primary, secondary, and tertiary alkyl imines as well as the aryl and heteroaryl substrates are smoothly cyanated to produce the desired products in high yield.
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Affiliation(s)
- Masato Uemura
- Division of Chemical Process Engineering, Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido 060-8628, Japan
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Abstract
α-Amino acids react with aldehydes in the presence of a cyanide source to form α-amino nitriles in what can be considered a decarboxylative variant of the classical Strecker reaction. This unprecedented transformation does not require the use of a metal catalyst and provides facile access to valuable α-amino nitriles that are inaccessible by traditional Strecker chemistry.
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Affiliation(s)
- Deepankar Das
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, USA
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30
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Sacchetti A, Silvani A, Gatti FG, Lesma G, Pilati T, Trucchi B. Addition of TMSCN to chiral ketimines derived from isatin. Synthesis of an oxindole-based peptidomimetic and a bioactive spirohydantoin. Org Biomol Chem 2011; 9:5515-22. [DOI: 10.1039/c1ob05532a] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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31
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Itoh T, Toyoshima E, Miyazaki M, Kanemitsu T. Asymmetric Acyl-Strecker Reaction Promoted by Novel Thiourea Organocatalyst. HETEROCYCLES 2010. [DOI: 10.3987/com-10-12055] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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