101
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Sawa M, Morisaki K, Kondo Y, Morimoto H, Ohshima T. Direct Access to N-Unprotected α- and/or β-Tetrasubstituted Amino Acid Esters via Direct Catalytic Mannich-Type Reactions Using N-Unprotected Trifluoromethyl Ketimines. Chemistry 2017; 23:17022-17028. [PMID: 28950035 DOI: 10.1002/chem.201703516] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Indexed: 11/08/2022]
Abstract
Direct catalytic C-C bond-forming addition to N-unprotected ketimines is an efficient and straightforward method of synthesizing N-unprotected tetrasubstituted amines that eliminates prior protection/deprotection steps and allows facile transformation of the products. Despite its advantages, however, N-unprotected ketimines have difficulties in C-C bond-forming reactions, and only a limited number of reactions and substrates are reported compared with their N-protected counterparts. Herein we report that N-unprotected trifluoromethyl ketimines are effective for C-C bond-forming reactions using Mannich-type reactions as a model case. We demonstrate that Lewis acid catalysis was effective for promoting reactions with various N-unprotected trifluoromethyl ketimines, and thiourea organocatalysis was effective for promoting highly enantioselective reactions with various carbonyl nucleophiles, providing direct access to various N-unprotected α- and/or β-tetrasubstituted amino acid esters. Furthermore, direct construction of vicinal tetrasubstituted chiral carbon stereocenters was achieved for the first time in a highly enantio- and diastereoselective manner. These results demonstrate the potential of N-unprotected ketimines as substrates applicable to many other addition reactions.
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Affiliation(s)
- Masanao Sawa
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Kazuhiro Morisaki
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Yuta Kondo
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Hiroyuki Morimoto
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
| | - Takashi Ohshima
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan
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102
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Shang M, Cao M, Wang Q, Wasa M. Enantioselective Direct Mannich-Type Reactions Catalyzed by Frustrated Lewis Acid/Brønsted Base Complexes. Angew Chem Int Ed Engl 2017; 56:13338-13341. [DOI: 10.1002/anie.201708103] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Revised: 08/31/2017] [Indexed: 11/09/2022]
Affiliation(s)
- Ming Shang
- Department of Chemistry; Merkert Chemistry Center; Boston College; Chestnut Hill MA 02467 USA
| | - Min Cao
- Department of Chemistry; Merkert Chemistry Center; Boston College; Chestnut Hill MA 02467 USA
| | - Qifan Wang
- Department of Chemistry; Merkert Chemistry Center; Boston College; Chestnut Hill MA 02467 USA
| | - Masayuki Wasa
- Department of Chemistry; Merkert Chemistry Center; Boston College; Chestnut Hill MA 02467 USA
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103
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Shang M, Cao M, Wang Q, Wasa M. Enantioselective Direct Mannich-Type Reactions Catalyzed by Frustrated Lewis Acid/Brønsted Base Complexes. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201708103] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Ming Shang
- Department of Chemistry; Merkert Chemistry Center; Boston College; Chestnut Hill MA 02467 USA
| | - Min Cao
- Department of Chemistry; Merkert Chemistry Center; Boston College; Chestnut Hill MA 02467 USA
| | - Qifan Wang
- Department of Chemistry; Merkert Chemistry Center; Boston College; Chestnut Hill MA 02467 USA
| | - Masayuki Wasa
- Department of Chemistry; Merkert Chemistry Center; Boston College; Chestnut Hill MA 02467 USA
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104
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Dai J, Xiong D, Yuan T, Liu J, Chen T, Shao Z. Chiral Primary Amine Catalysis for Asymmetric Mannich Reactions of Aldehydes with Ketimines: Stereoselectivity and Reactivity. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201706304] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Jun Dai
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education, School of Chemical Science and Technology Yunnan University Kunming 650091 China
| | - Dan Xiong
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education, School of Chemical Science and Technology Yunnan University Kunming 650091 China
| | - Tengrui Yuan
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education, School of Chemical Science and Technology Yunnan University Kunming 650091 China
| | - Juan Liu
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education, School of Chemical Science and Technology Yunnan University Kunming 650091 China
| | - Tao Chen
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education, School of Chemical Science and Technology Yunnan University Kunming 650091 China
| | - Zhihui Shao
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education, School of Chemical Science and Technology Yunnan University Kunming 650091 China
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105
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Dai J, Xiong D, Yuan T, Liu J, Chen T, Shao Z. Chiral Primary Amine Catalysis for Asymmetric Mannich Reactions of Aldehydes with Ketimines: Stereoselectivity and Reactivity. Angew Chem Int Ed Engl 2017; 56:12697-12701. [PMID: 28786162 DOI: 10.1002/anie.201706304] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Revised: 07/17/2017] [Indexed: 01/01/2023]
Abstract
The application potential of primary amine catalysts in the context of Mannich reactions of aldehydes with ketimines is exemplified by isatin-derived ketimines and cyclic trifluoromethyl ketimines. Primary amine catalysts exhibit either unusual stereoselectivity or reactivity, which is not observable with secondary amine catalysts. Moreover, reversal of diastereofacial selectivity between primary and secondary amine catalysts is disclosed. These new reactions provide useful methods for the syntheses of chiral 3-substituted 3-amino-2-oxindoles and dihydroquinazolinones bearing a trifluoromethylated quaternary stereocenter. The synthetic utility of the reactions is demonstrated through the formal synthesis of AG-041R and DPC 083 and the total synthesis of (-)-psychotriasine.
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Affiliation(s)
- Jun Dai
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, China
| | - Dan Xiong
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, China
| | - Tengrui Yuan
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, China
| | - Juan Liu
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, China
| | - Tao Chen
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, China
| | - Zhihui Shao
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, China
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106
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Alanthadka A, Devi ES, Selvi AT, Nagarajan S, Sridharan V, Maheswari CU. N-Heterocyclic Carbene-Catalyzed Mannich Reaction for the Synthesis of β-Amino Ketones: N
,N
-Dimethylformamide as Carbon Source. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700125] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Anitha Alanthadka
- Organic Synthesis Group, Department of Chemistry; School of Chemical and Biotechnology; SASTRA University; Thanjavur 613401 India
| | - E. Sankari Devi
- Organic Synthesis Group, Department of Chemistry; School of Chemical and Biotechnology; SASTRA University; Thanjavur 613401 India
| | - A. Tamil Selvi
- Department of Chemistry; Thiagarajar College; Madurai 625009 India
| | - Subbiah Nagarajan
- Organic Synthesis Group, Department of Chemistry; School of Chemical and Biotechnology; SASTRA University; Thanjavur 613401 India
| | - Vellaisamy Sridharan
- Organic Synthesis Group, Department of Chemistry; School of Chemical and Biotechnology; SASTRA University; Thanjavur 613401 India
| | - C. Uma Maheswari
- Organic Synthesis Group, Department of Chemistry; School of Chemical and Biotechnology; SASTRA University; Thanjavur 613401 India
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107
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Weng WZ, Sun JG, Li P, Zhang B. α-Quaternary Mannich Bases through Copper-Catalyzed Amination-Induced 1,2-Rearrangement of Allylic Alcohols. Chemistry 2017; 23:9752-9755. [DOI: 10.1002/chem.201702428] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2017] [Indexed: 01/28/2023]
Affiliation(s)
- Wei-Zhi Weng
- State Key Laboratory of Natural Medicines; China Pharmaceutical University; 24 Tongjia Xiang Nanjing 210009 P. R. China
| | - Jian-Guo Sun
- State Key Laboratory of Natural Medicines; China Pharmaceutical University; 24 Tongjia Xiang Nanjing 210009 P. R. China
| | - Ping Li
- State Key Laboratory of Natural Medicines; China Pharmaceutical University; 24 Tongjia Xiang Nanjing 210009 P. R. China
| | - Bo Zhang
- State Key Laboratory of Natural Medicines; China Pharmaceutical University; 24 Tongjia Xiang Nanjing 210009 P. R. China
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108
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Gong J, Li SW, Qurban S, Kang Q. Enantioselective Mannich Reaction Employing 1,3,5-Triaryl-1,3,5-triazinanes Catalyzed by Chiral-at-Metal Rhodium Complexes. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700463] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jun Gong
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology; Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; 155 Yangqiao Road West 350002 Fuzhou China
- University of Chinese Academy of Sciences; 100049 Beijing China
| | - Shi-Wu Li
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology; Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; 155 Yangqiao Road West 350002 Fuzhou China
- University of Chinese Academy of Sciences; 100049 Beijing China
| | - Saira Qurban
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology; Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; 155 Yangqiao Road West 350002 Fuzhou China
- University of Chinese Academy of Sciences; 100049 Beijing China
| | - Qiang Kang
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology; Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; 155 Yangqiao Road West 350002 Fuzhou China
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109
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Kiss L, Mándity IM, Fülöp F. Highly functionalized cyclic β-amino acid moieties as promising scaffolds in peptide research and drug design. Amino Acids 2017. [PMID: 28634827 DOI: 10.1007/s00726-017-2439-9] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Peptide-based drug research has received high attention in the field of medicinal chemistry over the past decade. For drug design, to improve proteolytic stability, it is desirable to include unnatural building blocks, such as conformationally restricted β-amino acid moieties, into the peptide sequence. Accordingly, the synthesis and incorporation of such conformationally rigid systems into novel type of peptides has gained large interest. Our research group has designed highly efficient methods for the construction of potential antimicrobial peptides. Moreover, a number of synthetic approaches have been developed for the synthesis of various pharmacologically interesting cyclic β-amino acid derivatives as monomers with multiple stereogenic centers.
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Affiliation(s)
- Loránd Kiss
- Institute of Pharmaceutical Chemistry, University of Szeged, Eötvös u. 6, 6720, Szeged, Hungary.
| | - István M Mándity
- Institute of Pharmaceutical Chemistry, University of Szeged, Eötvös u. 6, 6720, Szeged, Hungary
| | - Ferenc Fülöp
- Institute of Pharmaceutical Chemistry, University of Szeged, Eötvös u. 6, 6720, Szeged, Hungary.,MTA-SZTE Stereochemistry Research Group, Hungarian Academy of Sciences, Eötvös u. 6, 6720, Szeged, Hungary
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110
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Feng L, Dai X, Meggers E, Gong L. Three-Component Asymmetric Mannich Reaction Catalyzed by a Lewis Acid with Rhodium-Centered Chirality. Chem Asian J 2017; 12:963-967. [DOI: 10.1002/asia.201700189] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Revised: 03/11/2017] [Indexed: 11/08/2022]
Affiliation(s)
- Lihe Feng
- Fujian Provincial Key Laboratory of Chemical Biology; Department of Chemical Biology; College of Chemistry and Chemical Engineering; Xiamen University; 361005 Xiamen People's Republic of China
| | - Xuemei Dai
- Fujian Provincial Key Laboratory of Chemical Biology; Department of Chemical Biology; College of Chemistry and Chemical Engineering; Xiamen University; 361005 Xiamen People's Republic of China
| | - Eric Meggers
- Fujian Provincial Key Laboratory of Chemical Biology; Department of Chemical Biology; College of Chemistry and Chemical Engineering; Xiamen University; 361005 Xiamen People's Republic of China
- Fachbereich Chemie; Philipps-Universität Marburg; Hans-Meerwein-Straße 4 35043 Marburg Germany
| | - Lei Gong
- Fujian Provincial Key Laboratory of Chemical Biology; Department of Chemical Biology; College of Chemistry and Chemical Engineering; Xiamen University; 361005 Xiamen People's Republic of China
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111
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Chornous VA, Mel’nik OY, Grozav AN, Suikov SY, Vovk MV. Polyfunctional imidazoles: XIII.1 Addition and cyclization reactions of 1-aryl-4-chloro-5-(2-nitroethenyl)-1H-imidazoles with sulfur and nitrogen nucleophiles. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2017. [DOI: 10.1134/s1070428017030150] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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112
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Organocatalytic enantioselective Michael reaction of 1,3-dicarbonyls with α-substituted β-nitroacrylates. Tetrahedron 2017. [DOI: 10.1016/j.tet.2016.12.039] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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113
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Das S, Majumdar N, De CK, Kundu DS, Döhring A, Garczynski A, List B. Asymmetric Catalysis of the Carbonyl-Amine Condensation: Kinetic Resolution of Primary Amines. J Am Chem Soc 2017; 139:1357-1359. [DOI: 10.1021/jacs.6b12176] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Sayantani Das
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
| | - Nilanjana Majumdar
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
| | - Chandra Kanta De
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
| | - Dipti Sankar Kundu
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
| | - Arno Döhring
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
| | - Anika Garczynski
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
| | - Benjamin List
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
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114
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Sun YL, Wei Y, Shi M. Applications of Chiral Thiourea-Amine/Phosphine Organocatalysts in Catalytic Asymmetric Reactions. ChemCatChem 2017. [DOI: 10.1002/cctc.201601144] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Yao-Liang Sun
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals; School of Chemistry & Molecular Engineering; East China University of Science and Technology; 130 Mei Long Road Shanghai 200237 P.R. China
| | - Yin Wei
- State Key Laboratory of Organometallic Chemistry; University of Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Ling Ling Road Shanghai 200032 P.R. China
| | - Min Shi
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals; School of Chemistry & Molecular Engineering; East China University of Science and Technology; 130 Mei Long Road Shanghai 200237 P.R. China
- State Key Laboratory of Organometallic Chemistry; University of Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Ling Ling Road Shanghai 200032 P.R. China
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115
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Deng T, Thota GK, Li Y, Kang Q. Enantioselective conjugate addition of hydroxylamines to α,β-unsaturated 2-acyl imidazoles catalyzed by a chiral-at-metal Rh(iii) complex. Org Chem Front 2017. [DOI: 10.1039/c6qo00865h] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
A highly efficient chiral-at-metal Rh(iii) complex catalyzed asymmetric aza-Michael addition was developed, affordingN-protected β-amino acid derivatives with excellent enantioselectivity.
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Affiliation(s)
- Tao Deng
- Department of Chemistry
- Fuzhou University
- P. R. China
| | - Ganesh Kumar Thota
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou
- P. R. China
| | - Yi Li
- Department of Chemistry
- Fuzhou University
- P. R. China
| | - Qiang Kang
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou
- P. R. China
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116
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Wei XH, Zhao LB, Zhou HC. Oxidative cross-coupling reaction by scandium catalysis for synthesis of α-alkyl α-amino acid ester derivatives. RSC Adv 2017. [DOI: 10.1039/c7ra00664k] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
A novel oxidative cross-coupling reaction between N-arylglycine esters and alkyl boronic acid esters was developed by scandium catalysis.
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Affiliation(s)
- Xiao-Hong Wei
- Key Laboratory for Utility of Environment-Friendly Composite Materials and Biomass in University of Gansu Province
- College of Chemical Engineering
- Northwest University for Nationalities
- Lanzhou 730030
- P. R. China
| | - Lian-Biao Zhao
- Key Laboratory for Utility of Environment-Friendly Composite Materials and Biomass in University of Gansu Province
- College of Chemical Engineering
- Northwest University for Nationalities
- Lanzhou 730030
- P. R. China
| | - Han-Cheng Zhou
- Key Laboratory for Utility of Environment-Friendly Composite Materials and Biomass in University of Gansu Province
- College of Chemical Engineering
- Northwest University for Nationalities
- Lanzhou 730030
- P. R. China
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117
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Abstract
This review updates the major progress in the field of enantioselective transformations promoted by chiral magnesium catalysts, covering the literature since 2007, illustrating the power of these green catalysts to promote many types of reactions.
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118
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Zhang S, Deng P, Zhou J, Liu M, Liang G, Xiong Y, Zhou H. A novel homobimetallic nickel complex for the asymmetric direct Mannich reaction of imines: a practical method on a multi-gram scale. Chem Commun (Camb) 2017; 53:12914-12917. [DOI: 10.1039/c7cc06468c] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A practical asymmetric direct Mannich reaction catalyzed by a homobimetallic nickel complex with a low catalyst loading on a preparative scale.
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Affiliation(s)
- Shixiong Zhang
- School of Pharmaceutical Science
- Chongqing Medical University
- Chongqing 400016
- P. R. China
| | - Ping Deng
- School of Pharmaceutical Science
- Chongqing Medical University
- Chongqing 400016
- P. R. China
| | - Jing Zhou
- School of Pharmaceutical Science
- Chongqing Medical University
- Chongqing 400016
- P. R. China
| | - Mouxiong Liu
- School of Pharmaceutical Science
- Chongqing Medical University
- Chongqing 400016
- P. R. China
| | - Guojuan Liang
- School of Pharmaceutical Science
- Chongqing Medical University
- Chongqing 400016
- P. R. China
| | - Yan Xiong
- School of Chemistry and Chemical Engineering
- Chongqing University
- Chongqing 400030
- P. R. China
| | - Hui Zhou
- School of Pharmaceutical Science
- Chongqing Medical University
- Chongqing 400016
- P. R. China
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119
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Vafaeezadeh M, Karbalaie-Reza M, Hashemi MM, Soleimany KQ. Surfactant-like Brønsted acidic ionic liquid as an efficient catalyst for selective Mannich reaction and biodiesel production in water. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2016. [DOI: 10.1007/s13738-016-1036-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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120
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Solyntjes S, Neumann B, Stammler HG, Ignat'ev N, Hoge B. Bismuth Perfluoroalkylphosphinates: New Catalysts for Application in Organic Syntheses. Chemistry 2016; 23:1568-1575. [DOI: 10.1002/chem.201604914] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Indexed: 11/11/2022]
Affiliation(s)
- Sven Solyntjes
- Centrum für Molekulare Materialien, Fakultät für Chemie, Anorganische Chemie; Universität Bielefeld; Universitätsstraße 25 33615 Bielefeld Germany
| | - Beate Neumann
- Centrum für Molekulare Materialien, Fakultät für Chemie, Anorganische Chemie; Universität Bielefeld; Universitätsstraße 25 33615 Bielefeld Germany
| | - Hans-Georg Stammler
- Centrum für Molekulare Materialien, Fakultät für Chemie, Anorganische Chemie; Universität Bielefeld; Universitätsstraße 25 33615 Bielefeld Germany
| | - Nikolai Ignat'ev
- Consultant Merck KGaA; Frankfurter Straße 250 64293 Darmstadt Germany
| | - Berthold Hoge
- Centrum für Molekulare Materialien, Fakultät für Chemie, Anorganische Chemie; Universität Bielefeld; Universitätsstraße 25 33615 Bielefeld Germany
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121
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Abstract
This review collects the major progress in the field of enantioselective transformations promoted by chiral silver catalysts, covering the literature since 2008, well illustrating the power of these especially mild Lewis acid catalysts to provide novel asymmetric reactions.
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Affiliation(s)
- Hélène Pellissier
- Aix Marseille Univ., CNRS , Centrale Marseille, iSm2, Marseille, France
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122
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Yang LC, Wang YN, Zhang Y, Zhao Y. Acid-Assisted Ru-Catalyzed Enantioselective Amination of 1,2-Diols through Borrowing Hydrogen. ACS Catal 2016. [DOI: 10.1021/acscatal.6b02959] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Li-Cheng Yang
- Department
of Chemistry, National University of Singapore, 3 Science Drive 3, Republic of Singapore 117543
| | - Ya-Nong Wang
- Department
of Chemistry, National University of Singapore, 3 Science Drive 3, Republic of Singapore 117543
| | - Yao Zhang
- College
of Chemistry, Liaoning University, Shenyang, 110036, People’s Republic of China
| | - Yu Zhao
- Department
of Chemistry, National University of Singapore, 3 Science Drive 3, Republic of Singapore 117543
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123
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Cui Z, Du DM. Enantioselective Synthesis of β-Hydrazino Alcohols Using Alcohols and N-Boc-Hydrazine as Substrates. Org Lett 2016; 18:5616-5619. [PMID: 27786480 DOI: 10.1021/acs.orglett.6b02841] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An enantioselective approach for the synthesis of α-hydrazino aldehydes is described that utilizes alcohols and N-Boc hydrazine instead of the conventional combination of aldehydes with azodicarboxylates. This protocol is enabled by merging in situ aerobic dual oxidation with asymmetric organocatalysis. This reaction also exhibits a high tolerance for varieties of substituents on the alcohol component. This approach features excellent enantiocontrol, cheap starting materials, operational simplicity, and scalability. The corresponding chiral β-hydrazino alcohols were obtained by sequential reduction with excellent enantioselectivity (up to 98% ee).
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Affiliation(s)
- Zhihao Cui
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology , Beijing 100081, People's Republic of China
| | - Da-Ming Du
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology , Beijing 100081, People's Republic of China
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124
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Froidevaux V, Negrell C, Caillol S, Pascault JP, Boutevin B. Biobased Amines: From Synthesis to Polymers; Present and Future. Chem Rev 2016; 116:14181-14224. [DOI: 10.1021/acs.chemrev.6b00486] [Citation(s) in RCA: 349] [Impact Index Per Article: 43.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Vincent Froidevaux
- Institut Charles Gerhardt UMR 5253–CNRS, UM, ENSCM, 8 rue de l’Ecole Normale, F-34296 Montpellier Cedex 5, France
| | - Claire Negrell
- Institut Charles Gerhardt UMR 5253–CNRS, UM, ENSCM, 8 rue de l’Ecole Normale, F-34296 Montpellier Cedex 5, France
| | - Sylvain Caillol
- Institut Charles Gerhardt UMR 5253–CNRS, UM, ENSCM, 8 rue de l’Ecole Normale, F-34296 Montpellier Cedex 5, France
| | - Jean-Pierre Pascault
- INSA-Lyon, IMP, UMR5223, F-69621 Villeurbanne, France
- Université de Lyon, F-69622 Lyon, France
| | - Bernard Boutevin
- Institut Charles Gerhardt UMR 5253–CNRS, UM, ENSCM, 8 rue de l’Ecole Normale, F-34296 Montpellier Cedex 5, France
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125
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Lian X, Lin L, Fu K, Ma B, Liu X, Feng X. A new approach to the asymmetric Mannich reaction catalyzed by chiral N, N'-dioxide-metal complexes. Chem Sci 2016; 8:1238-1242. [PMID: 28451265 PMCID: PMC5369522 DOI: 10.1039/c6sc03902b] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Accepted: 10/02/2016] [Indexed: 11/30/2022] Open
Abstract
An efficient asymmetric Mannich-type reaction between α-tetralone-derived β-keto esters/amides and 1,3,5-triaryl-1,3,5-triazinanes was realized catalyzed by chiral N,N'–dioxide-Ni(ii)/Mg(ii) complexes.
A highly efficient asymmetric Mannich-type reaction between α-tetralone-derived β-keto esters/amides and 1,3,5-triaryl-1,3,5-triazinanes was realized in the presence of chiral N,N′-dioxide–Ni(ii) or Mg(ii) complex. A variety of optically active β-amino compounds with all-carbon quaternary stereocenters were obtained in good yields with excellent enantioselectivities. A possible transition state was proposed based on these experiments and previous reports.
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Affiliation(s)
- Xiangjin Lian
- Key Laboratory of Green Chemistry & Technology , Ministry of Education , College of Chemistry , Sichuan University , Chengdu 610064 , P. R. China . ; ; Tel: +86 28 85418249
| | - Lili Lin
- Key Laboratory of Green Chemistry & Technology , Ministry of Education , College of Chemistry , Sichuan University , Chengdu 610064 , P. R. China . ; ; Tel: +86 28 85418249
| | - Kai Fu
- Key Laboratory of Green Chemistry & Technology , Ministry of Education , College of Chemistry , Sichuan University , Chengdu 610064 , P. R. China . ; ; Tel: +86 28 85418249
| | - Baiwei Ma
- Key Laboratory of Green Chemistry & Technology , Ministry of Education , College of Chemistry , Sichuan University , Chengdu 610064 , P. R. China . ; ; Tel: +86 28 85418249
| | - Xiaohua Liu
- Key Laboratory of Green Chemistry & Technology , Ministry of Education , College of Chemistry , Sichuan University , Chengdu 610064 , P. R. China . ; ; Tel: +86 28 85418249
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology , Ministry of Education , College of Chemistry , Sichuan University , Chengdu 610064 , P. R. China . ; ; Tel: +86 28 85418249
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126
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Wilkins LC, Melen RL. Enantioselective Main Group Catalysis: Modern Catalysts for Organic Transformations. Coord Chem Rev 2016. [DOI: 10.1016/j.ccr.2016.07.011] [Citation(s) in RCA: 85] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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127
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Chan JZ, Yao W, Hastings BT, Lok CK, Wasa M. Direct Mannich-Type Reactions Promoted by Frustrated Lewis Acid/Brønsted Base Catalysts. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201608583] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Jessica Z. Chan
- Department of Chemistry; Merkert Chemistry Center; Boston College; Chestnut Hill Massachusetts 02467 USA
| | - Wenzhi Yao
- Department of Chemistry; Merkert Chemistry Center; Boston College; Chestnut Hill Massachusetts 02467 USA
| | - Brian T. Hastings
- Department of Chemistry; Merkert Chemistry Center; Boston College; Chestnut Hill Massachusetts 02467 USA
| | - Charles K. Lok
- Department of Chemistry; Merkert Chemistry Center; Boston College; Chestnut Hill Massachusetts 02467 USA
| | - Masayuki Wasa
- Department of Chemistry; Merkert Chemistry Center; Boston College; Chestnut Hill Massachusetts 02467 USA
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128
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Cui XY, Duan HX, Zhang Y, Wang YQ. Asymmetric Mannich Reaction of Aryl Methyl Ketones with Cyclic Imines Benzo[e
][1,2,3]oxathiazine 2,2-Dioxides Catalyzed by Cinchona Alkaloid-based Primary Amines. Chem Asian J 2016; 11:3118-3125. [DOI: 10.1002/asia.201601149] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Indexed: 11/08/2022]
Affiliation(s)
- Xiao-Yu Cui
- Key Laboratory of Polyoxometalate Chemistry of Henan Province; Key Laboratory of Natural Medicine and Immuno-Engineering of Henan Province; College of Chemistry and Chemical Engineering; Henan University; Kaifeng Henan 475004 P. R. China
| | - Hui-Xin Duan
- Key Laboratory of Polyoxometalate Chemistry of Henan Province; Key Laboratory of Natural Medicine and Immuno-Engineering of Henan Province; College of Chemistry and Chemical Engineering; Henan University; Kaifeng Henan 475004 P. R. China
| | - Yongna Zhang
- Key Laboratory of Polyoxometalate Chemistry of Henan Province; Key Laboratory of Natural Medicine and Immuno-Engineering of Henan Province; College of Chemistry and Chemical Engineering; Henan University; Kaifeng Henan 475004 P. R. China
| | - You-Qing Wang
- Key Laboratory of Polyoxometalate Chemistry of Henan Province; Key Laboratory of Natural Medicine and Immuno-Engineering of Henan Province; College of Chemistry and Chemical Engineering; Henan University; Kaifeng Henan 475004 P. R. China
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129
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Chan JZ, Yao W, Hastings BT, Lok CK, Wasa M. Direct Mannich-Type Reactions Promoted by Frustrated Lewis Acid/Brønsted Base Catalysts. Angew Chem Int Ed Engl 2016; 55:13877-13881. [DOI: 10.1002/anie.201608583] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Indexed: 01/09/2023]
Affiliation(s)
- Jessica Z. Chan
- Department of Chemistry; Merkert Chemistry Center; Boston College; Chestnut Hill Massachusetts 02467 USA
| | - Wenzhi Yao
- Department of Chemistry; Merkert Chemistry Center; Boston College; Chestnut Hill Massachusetts 02467 USA
| | - Brian T. Hastings
- Department of Chemistry; Merkert Chemistry Center; Boston College; Chestnut Hill Massachusetts 02467 USA
| | - Charles K. Lok
- Department of Chemistry; Merkert Chemistry Center; Boston College; Chestnut Hill Massachusetts 02467 USA
| | - Masayuki Wasa
- Department of Chemistry; Merkert Chemistry Center; Boston College; Chestnut Hill Massachusetts 02467 USA
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130
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Kotani S, Asano T, Moritani M, Nakajima M. Enantioselective amination of acyclic α-alkylated β-keto esters catalyzed by chiral lithium binaphtholate. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.08.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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131
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Govender T, Arvidsson PI, Maguire GEM, Kruger HG, Naicker T. Enantioselective Organocatalyzed Transformations of β-Ketoesters. Chem Rev 2016; 116:9375-437. [PMID: 27463615 DOI: 10.1021/acs.chemrev.6b00156] [Citation(s) in RCA: 94] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The β-ketoester structural motif continues to intrigue chemists with its electrophilic and nucleophilic sites. Proven to be a valuable tool within organic synthesis, natural product, and medicinal chemistry, reports on chiral β-ketoester molecular skeletons display a steady increase. With the reignition of organocatalysis in the past decade, asymmetric methods available for the synthesis of this structural unit has significantly expanded, making it one of the most exploited substrates for organocatalytic transformations. This review provides comprehensive information on the plethora of organocatalysts used in stereoselective organocatalyzed construction of β-ketoester-containing compounds.
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Affiliation(s)
- Thavendran Govender
- Catalysis and Peptide Research Unit, University of KwaZulu Natal , Durban, 4001, South Africa
| | - Per I Arvidsson
- Catalysis and Peptide Research Unit, University of KwaZulu Natal , Durban, 4001, South Africa.,P. I. Arvidsson, Science for Life Laboratory, Drug Discovery and Development Platform and Division of Translational Medicine and Chemical Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institutet SE-171 77 Stockholm, Sweden
| | - Glenn E M Maguire
- Catalysis and Peptide Research Unit, University of KwaZulu Natal , Durban, 4001, South Africa
| | - Hendrik G Kruger
- Catalysis and Peptide Research Unit, University of KwaZulu Natal , Durban, 4001, South Africa
| | - Tricia Naicker
- Catalysis and Peptide Research Unit, University of KwaZulu Natal , Durban, 4001, South Africa
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132
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Isoda M, Sato K, Kunugi Y, Tokonishi S, Tarui A, Omote M, Minami H, Ando A. Rh-Catalyzed reductive Mannich-type reaction and its application towards the synthesis of (±)-ezetimibe. Beilstein J Org Chem 2016; 12:1608-15. [PMID: 27559413 PMCID: PMC4979637 DOI: 10.3762/bjoc.12.157] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2016] [Accepted: 07/06/2016] [Indexed: 12/02/2022] Open
Abstract
An effective synthesis for syn-β-lactams was achieved using a Rh-catalyzed reductive Mannich-type reaction. A rhodium–hydride complex (Rh–H) derived from diethylzinc (Et2Zn) and a Rh catalyst was used for the 1,4-reduction of an α,β-unsaturated ester to give a Reformatsky-type reagent, which in turn, reacted with an imine to give the syn-β-lactam. Additionally, the reaction was applied to the synthesis of (±)-ezetimibe, a potent β-lactamic cholesterol absorption inhibitor.
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Affiliation(s)
- Motoyuki Isoda
- Faculty of Pharmaceutical Sciences, Setsunan University 45-1, Nagaotoge-cho, Hirakata, Osaka 573-0101, Japan
| | - Kazuyuki Sato
- Faculty of Pharmaceutical Sciences, Setsunan University 45-1, Nagaotoge-cho, Hirakata, Osaka 573-0101, Japan
| | - Yurika Kunugi
- Faculty of Pharmaceutical Sciences, Setsunan University 45-1, Nagaotoge-cho, Hirakata, Osaka 573-0101, Japan
| | - Satsuki Tokonishi
- Faculty of Pharmaceutical Sciences, Setsunan University 45-1, Nagaotoge-cho, Hirakata, Osaka 573-0101, Japan
| | - Atsushi Tarui
- Faculty of Pharmaceutical Sciences, Setsunan University 45-1, Nagaotoge-cho, Hirakata, Osaka 573-0101, Japan
| | - Masaaki Omote
- Faculty of Pharmaceutical Sciences, Setsunan University 45-1, Nagaotoge-cho, Hirakata, Osaka 573-0101, Japan
| | - Hideki Minami
- Faculty of Pharmaceutical Sciences, Hiroshima International University, 5-1-1 Hirokoshingai, Kure, Hiroshima 737-0112, Japan
| | - Akira Ando
- Faculty of Pharmaceutical Sciences, Setsunan University 45-1, Nagaotoge-cho, Hirakata, Osaka 573-0101, Japan
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133
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Pellissier H. Recent Developments in Enantioselective Metal-Catalyzed Domino Reactions. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201600462] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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134
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Hosseinzadeh R, Aghili N, Tajbakhsh M. Synthesis, Characterization and Catalytic Application of MCM 41 Supported Phenanthrolinium Dibromide Catalyst for Aza-Michael Addition Reaction in Aqueous Medium. Catal Letters 2016. [DOI: 10.1007/s10562-016-1743-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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135
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Lapuerta I, Vera S, Oiarbide M, Palomo C. Development of a syn-Selective Mannich Reaction of Aldehydes with Propargylic Imines by Dual Catalysis: Asymmetric Synthesis of Functionalized Propargylic Amines. Chemistry 2016; 22:7229-37. [DOI: 10.1002/chem.201600635] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Indexed: 11/11/2022]
Affiliation(s)
- Irati Lapuerta
- Departamento de Química Orgánica I; Universidad del País Vasco UPV/EHU; Manuel Lardizabal 3 20018 San Sebastián Spain
| | - Silvia Vera
- Departamento de Química Orgánica I; Universidad del País Vasco UPV/EHU; Manuel Lardizabal 3 20018 San Sebastián Spain
| | - Mikel Oiarbide
- Departamento de Química Orgánica I; Universidad del País Vasco UPV/EHU; Manuel Lardizabal 3 20018 San Sebastián Spain
| | - Claudio Palomo
- Departamento de Química Orgánica I; Universidad del País Vasco UPV/EHU; Manuel Lardizabal 3 20018 San Sebastián Spain
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136
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Congdon EA, Nolin KA. Calcium catalyzed Mukaiyama–Mannich addition of silyl enol ethers to nitrones. CATAL COMMUN 2016. [DOI: 10.1016/j.catcom.2016.02.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
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137
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Pan F, Wu B, Shi ZJ. Cu-Catalyzed Intramolecular Amidation of Unactivated C(sp(3) )-H Bonds To Synthesize N-Substituted Indolines. Chemistry 2016; 22:6487-90. [PMID: 26945702 DOI: 10.1002/chem.201600680] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2016] [Indexed: 01/21/2023]
Abstract
A copper-catalyzed intramolecular amidation of unactivated C(sp(3) )-H bonds to construct indoline derivatives has been developed. Such an amidation proceeded well at primary C-H bonds preferred to secondary C-H bonds. The transformation owned a broad substrate scope. The corresponding indolines were obtained in good to excellent yields. N-Formal and other carbonyl groups were suitable and were easily deprotected and transformed into methyl or long-chained alkyl groups. Preliminary mechanistic studies suggested a radical pathway.
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Affiliation(s)
- Fei Pan
- Beijing National Laboratory of Molecular Science (BNLMS) and Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry Education, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
| | - Bin Wu
- Beijing National Laboratory of Molecular Science (BNLMS) and Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry Education, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
| | - Zhang-Jie Shi
- Beijing National Laboratory of Molecular Science (BNLMS) and Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry Education, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China. .,State Key Laboratory of Organometallic Chemistry, CAS, Shanghai, 200032, P. R. China.
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138
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Trost BM, Saget T, Hung CIJ. Direct Catalytic Asymmetric Mannich Reactions for the Construction of Quaternary Carbon Stereocenters. J Am Chem Soc 2016; 138:3659-62. [PMID: 26952276 DOI: 10.1021/jacs.6b01187] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Herein, we report a Zn-ProPhenol catalyzed Mannich reaction using α-branched ketones as nucleophilic partners for the direct enantio- and diastereoselective construction of quaternary carbon stereocenters. The reaction can be run on a gram-scale with a low catalyst loading without impacting its efficiency. Moreover, the Mannich adducts can be further elaborated with complete diastereocontrol to access molecules possessing complex stereotriads.
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Affiliation(s)
- Barry M Trost
- Department of Chemistry, Stanford University , Stanford, California 94305-5080, United States
| | - Tanguy Saget
- Department of Chemistry, Stanford University , Stanford, California 94305-5080, United States
| | - Chao-I Joey Hung
- Department of Chemistry, Stanford University , Stanford, California 94305-5080, United States
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139
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Rae J, Yeung K, McDouall JJW, Procter DJ. Copper-Catalyzed Borylative Cross-Coupling of Allenes and Imines: Selective Three-Component Assembly of Branched Homoallyl Amines. Angew Chem Int Ed Engl 2016; 55:1102-7. [PMID: 26632675 PMCID: PMC4736445 DOI: 10.1002/anie.201508959] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2015] [Revised: 10/27/2015] [Indexed: 12/28/2022]
Abstract
A copper-catalyzed three-component coupling of allenes, bis(pinacolato)diboron, and imines allows regio-, chemo-, and diastereoselective assembly of branched α,β-substituted-γ-boryl homoallylic amines, that is, products bearing versatile amino, alkenyl, and borane functionality. Alternatively, convenient oxidative workup allows access to α-substituted-β-amino ketones. A computational study has been used to probe the stereochemical course of the cross-coupling.
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Affiliation(s)
- James Rae
- School of Chemistry, University of Manchester, Oxford Rd, Manchester, M13 9PL, UK
| | - Kay Yeung
- School of Chemistry, University of Manchester, Oxford Rd, Manchester, M13 9PL, UK
| | - Joseph J W McDouall
- School of Chemistry, University of Manchester, Oxford Rd, Manchester, M13 9PL, UK
| | - David J Procter
- School of Chemistry, University of Manchester, Oxford Rd, Manchester, M13 9PL, UK.
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140
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Zhu Y, Li Y, Meng Q, Li X. An organocatalytic enantioselective vinylogous Mannich reaction of α,α-dicyanoolefins with isatin N-Boc ketimines. Org Chem Front 2016. [DOI: 10.1039/c6qo00038j] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
The first catalytic enantioselective vinylogous Mannich reaction of α,α-dicyanoolefins with ketimines derived from isatins has been developed. High yields and enantioselectivities were observed for the reaction of various ketimines and α,α-dicyanoolefins using a tertiary butyl substituted cinchona alkaloid type squaramide catalyst.
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Affiliation(s)
- Yi Zhu
- State Key Laboratory of Elemento-Organic Chemistry
- Collaborative Innovation Center of Chemical Science and Engineering
- Department of Chemistry
- Nankai University
- Tianjin 300071
| | - Yao Li
- State Key Laboratory of Elemento-Organic Chemistry
- Collaborative Innovation Center of Chemical Science and Engineering
- Department of Chemistry
- Nankai University
- Tianjin 300071
| | - Qingbin Meng
- State Key Laboratory of Toxicology and Medical Countermeasures
- Beijing Institute of Pharmacology and Toxicology
- Beijing
- China
| | - Xin Li
- State Key Laboratory of Elemento-Organic Chemistry
- Collaborative Innovation Center of Chemical Science and Engineering
- Department of Chemistry
- Nankai University
- Tianjin 300071
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141
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Smitha G, Sreekumar K. Chiral dendrigraft polymer for asymmetric synthesis of isoquinuclidines. RSC Adv 2016. [DOI: 10.1039/c6ra15548k] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
A copper complex of chiral modified dendrigraft amidoamine polymer with a pentaerythritol initiated polyepichlorohydrin core, PEN-G2, on a solid resin support is employed in the synthesis of isoquinuclidines via aza Diels–Alder reaction between cyclohexenone and imines.
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Affiliation(s)
- G. Smitha
- Department of Applied Chemistry
- Cochin University of Science and Technology
- Kochi-22
- India
| | - K. Sreekumar
- Department of Applied Chemistry
- Cochin University of Science and Technology
- Kochi-22
- India
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142
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Kaur J, Chauhan P, Chimni SS. α,α-Dicyanoolefins: versatile substrates in organocatalytic asymmetric transformations. Org Biomol Chem 2016; 14:7832-47. [DOI: 10.1039/c6ob01229a] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
α,α-Dicyanoolefins have emerged as versatile reactants, finding use as vinylogous nucleophiles, Michael acceptors and dienophiles in a variety of organic reactions.
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Affiliation(s)
- Jasneet Kaur
- Department of Chemistry
- U.G.C. Centre of Advance Studies in Chemistry
- Guru Nanak Dev University
- Amritsar
- India
| | - Pankaj Chauhan
- Department of Chemistry
- U.G.C. Centre of Advance Studies in Chemistry
- Guru Nanak Dev University
- Amritsar
- India
| | - Swapandeep Singh Chimni
- Department of Chemistry
- U.G.C. Centre of Advance Studies in Chemistry
- Guru Nanak Dev University
- Amritsar
- India
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143
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Yu W, Wu Y, Chen J, Duan X, Jiang XF, Qiu X, Li Y. Sulfonated ethylenediamine–acetone–formaldehyde condensate: preparation, unconventional photoluminescence and aggregation enhanced emission. RSC Adv 2016. [DOI: 10.1039/c6ra06227j] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The water-soluble sulfonated ethylenediamine–acetone–formaldehyde (SEAF) with unconventional fluorescence and AEE effect was prepared. The emission mechanism was ascribed to the cluster-induced emission of carbonyl groups.
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Affiliation(s)
- Wei Yu
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou
- China
- State Key Laboratory of Pulp and Paper Engineering
| | - Ying Wu
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou
- China
- State Key Laboratory of Pulp and Paper Engineering
| | - Jiachun Chen
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou
- China
- State Key Laboratory of Pulp and Paper Engineering
| | - Xiangyan Duan
- Institute of Polymer Optoelectronic Materials and Devices
- State Key Laboratory of Luminescent Materials and Devices
- South China University of Technology
- Guangzhou 510640
- P. R. China
| | - Xiao-Fang Jiang
- Institute of Polymer Optoelectronic Materials and Devices
- State Key Laboratory of Luminescent Materials and Devices
- South China University of Technology
- Guangzhou 510640
- P. R. China
| | - Xueqing Qiu
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou
- China
- State Key Laboratory of Pulp and Paper Engineering
| | - Yuan Li
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou
- China
- State Key Laboratory of Pulp and Paper Engineering
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144
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Chen J, Cen J, Xu X, Li X. The application of heterogeneous visible light photocatalysts in organic synthesis. Catal Sci Technol 2016. [DOI: 10.1039/c5cy01289a] [Citation(s) in RCA: 167] [Impact Index Per Article: 20.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The recent advances of organic synthesis reactions based on heterogeneous visible-light photocatalysis are reviewed.
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Affiliation(s)
- Jun Chen
- Institute of Industrial Catalysis
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- People's Republic of China
| | - Jie Cen
- Institute of Industrial Catalysis
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- People's Republic of China
| | - Xiaoliang Xu
- Institute of Industrial Catalysis
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- People's Republic of China
| | - Xiaonian Li
- Institute of Industrial Catalysis
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310014
- People's Republic of China
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145
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de la Campa R, Gammack Yamagata AD, Ortín I, Franchino A, Thompson AL, Odell B, Dixon DJ. Catalytic enantio- and diastereoselective Mannich reaction of α-substituted isocyanoacetates and ketimines. Chem Commun (Camb) 2016; 52:10632-5. [DOI: 10.1039/c6cc04132a] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The highly diastereo- and enantioselective Mannich reaction/cyclisation of α-substituted isocyanoacetates and ketimines catalysed by silver acetate and a cinchona-derived amino phosphine is reported.
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Affiliation(s)
- Raquel de la Campa
- Chemistry Research Laboratory
- Department of Chemistry
- University of Oxford
- Oxford
- UK
| | | | - Irene Ortín
- Chemistry Research Laboratory
- Department of Chemistry
- University of Oxford
- Oxford
- UK
| | - Allegra Franchino
- Chemistry Research Laboratory
- Department of Chemistry
- University of Oxford
- Oxford
- UK
| | - Amber L. Thompson
- Chemistry Research Laboratory
- Department of Chemistry
- University of Oxford
- Oxford
- UK
| | - Barbara Odell
- Chemistry Research Laboratory
- Department of Chemistry
- University of Oxford
- Oxford
- UK
| | - Darren J. Dixon
- Chemistry Research Laboratory
- Department of Chemistry
- University of Oxford
- Oxford
- UK
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146
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Gianolio E, Mohan R, Berkessel A. EnantiopureN-Benzyloxycarbonyl-β2-amino Acid Allyl Esters from Racemic β-Lactams by Dynamic Kinetic Resolution usingCandida antarcticaLipase B. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201500820] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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147
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Brewitz L, Arteaga FA, Yin L, Alagiri K, Kumagai N, Shibasaki M. Direct Catalytic Asymmetric Mannich-Type Reaction of α- and β-Fluorinated Amides. J Am Chem Soc 2015; 137:15929-39. [PMID: 26652911 DOI: 10.1021/jacs.5b11064] [Citation(s) in RCA: 92] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The last two decades have witnessed the emergence of direct enolization protocols providing atom-economical and operationally simple methods to use enolates for stereoselective C-C bond-forming reactions, eliminating the inherent drawback of the preformation of enolates using stoichiometric amounts of reagents. In its infancy, direct enolization relied heavily on the intrinsic acidity of the latent enolates, and the reaction scope was limited to readily enolizable ketones and aldehydes. Recent advances in this field enabled the exploitation of carboxylic acid derivatives for direct enolization, offering expeditious access to synthetically versatile chiral building blocks. Despite the growing demand for enantioenriched fluorine-containing small molecules, α- and β-fluorinated carbonyl compounds have been neglected in direct enolization chemistry because of the competing and dominating defluorination pathway. Herein we present a comprehensive study on direct and highly stereoselective Mannich-type reactions of α- and β-fluorine-functionalized 7-azaindoline amides that rely on a soft Lewis acid/hard Brønsted base cooperative catalytic system to guarantee an efficient enolization while suppressing undesired defluorination. This protocol contributes to provide a series of fluorinated analogs of enantioenriched β-amino acids for medicinal chemistry.
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Affiliation(s)
| | | | - Liang Yin
- Institute of Microbial Chemistry (BIKAKEN) , Tokyo, Kamiosaki 3-14-23, Shinagawa-ku, Tokyo 141-0021, Japan
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148
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Kushwaha K, Pinter B, Shehzadi SA, Malakar CC, Vande Velde CML, de Proft F, Abbaspour Tehrani K. Metal-Free Synthesis of Chlorinated β-Amino Ketonesviaan Unexpected Reaction of Imines with Arylacetylenes in 1,1,1,3,3,3-Hexafluoro-2-propanol. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201500519] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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149
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Rae J, Yeung K, McDouall JJW, Procter DJ. Copper-Catalyzed Borylative Cross-Coupling of Allenes and Imines: Selective Three-Component Assembly of Branched Homoallyl Amines. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201508959] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- James Rae
- School of Chemistry; University of Manchester; Oxford Rd Manchester M13 9PL UK
| | - Kay Yeung
- School of Chemistry; University of Manchester; Oxford Rd Manchester M13 9PL UK
| | | | - David J. Procter
- School of Chemistry; University of Manchester; Oxford Rd Manchester M13 9PL UK
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150
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He YH, Cao JF, Li R, Xiang Y, Yang DC, Guan Z. l-Proline-catalyzed multicomponent synthesis of 3-indole derivatives. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.10.027] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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