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Zhong F, Yue WJ, Yin XH, Zhang HM, Yin L. Copper(I)-Catalyzed Asymmetric Synthesis of α-Allenylamines and β-Lactams through Regioselective Mannich-Type Reactions. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Feng Zhong
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Wen-Jun Yue
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Xing-Hao Yin
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Hong-Ming Zhang
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Liang Yin
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
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2
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Hale DJ, Murphy LJ, McDonald R, Ferguson MJ, Turculet L. Hydrosilylative Reduction of Tertiary Amides to Amines Catalyzed by
N
‐(Phosphinoaryl)anilido Complexes of Iron and Cobalt. ChemCatChem 2019. [DOI: 10.1002/cctc.201900550] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Dylan J. Hale
- Department of ChemistryDalhousie University 6274 Coburg Rd., Halifax Nova Scotia B3H 4R2 Canada
| | - Luke J. Murphy
- Department of ChemistryDalhousie University 6274 Coburg Rd., Halifax Nova Scotia B3H 4R2 Canada
| | - Robert McDonald
- X-Ray Crystallography Laboratory, Department of ChemistryUniversity of Alberta 11227 Saskatchewan Dr., Edmonton Alberta T6G 2G2 Canada
| | - Michael J. Ferguson
- X-Ray Crystallography Laboratory, Department of ChemistryUniversity of Alberta 11227 Saskatchewan Dr., Edmonton Alberta T6G 2G2 Canada
| | - Laura Turculet
- Department of ChemistryDalhousie University 6274 Coburg Rd., Halifax Nova Scotia B3H 4R2 Canada
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3
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Abstract
The development of efficient methodologies for production of amines attracts significant attention from synthetic chemists, because amines serve as essential building blocks in the synthesis of many pharmaceuticals, natural products, and agrochemicals. In this regard, deoxygenative reduction of amides to amines by means of transition-metal-catalyzed hydrogenation, hydrosilylation, and hydroboration reactions represents an attractive alternative to conventional wasteful techniques based on stoichiometric reductions of the corresponding amides and imines, and reductive amination of aldehydes with metal hydride reagents. The relatively low electrophilicity of the amide carbonyl group makes this transformation more challenging compared to reduction of other carbonyl compounds, and the majority of the reported catalytic systems employ precious metals such as platinum, rhodium, iridium, and ruthenium. Despite the application of more abundant and environmentally benign base metal (Mn, Fe, Co, and Ni) complexes for deoxygenative reduction of amides have been developed to a lesser extent, such catalytic systems are of great importance. This review is focused on the current achievements in the base-metal-catalyzed deoxygenative hydrogenation, hydrosilylation, and hydroboration of amides to amines. Special attention is paid to the design of base metal catalysts and the mechanisms of such catalytic transformations.
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Guzmán J, Bernal AM, García-Orduña P, Lahoz FJ, Oro LA, Fernández-Alvarez FJ. Selective reduction of formamides to O-silylated hemiaminals or methylamines with HSiMe 2Ph catalyzed by iridium complexes. Dalton Trans 2019; 48:4255-4262. [PMID: 30847452 DOI: 10.1039/c8dt05070h] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The reaction of (4-methyl-pyridin-2-iloxy)ditertbutylsilane (NSitBu-H, 1) with [IrCl(coe)2]2 affords the iridium(iii) complex [Ir(H)(Cl)(κ2-NSitBu)(coe)] (2), which has been fully characterized including X-ray diffraction studies. The reaction of 2 with AgCF3SO3 leads to the formation of species [Ir(H)(CF3SO3)(κ2-NSitBu)(coe)] (3). The iridium complexes 2 and 3 are effective catalysts for the reduction of formamides with HSiMe2Ph. The selectivity of the reduction process depends on the catalyst. Thus, by using complex 2, with a chloride ancillary ligand, it has been possible to selectively obtain the corresponding O-silylated hemiaminal by reaction of formamides with one equivalent of HSiMe2Ph, while complex 3, with a triflate ligand instead of chloride, catalyzed the selective reduction of formamides to the corresponding methylamine.
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Affiliation(s)
- Jefferson Guzmán
- Departamento de Química Inorgánica - Instituto de Síntesis Química y Catálisis Homogénea (ISQCH). Universidad de Zaragoza - CSIC, Facultad de Ciencias 50009, Zaragoza, Spain.
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5
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Pan Y, Luo Z, Han J, Xu X, Chen C, Zhao H, Xu L, Fan Q, Xiao J. B(C
6
F
5
)
3
‐Catalyzed Deoxygenative Reduction of Amides to Amines with Ammonia Borane. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201801447] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Yixiao Pan
- Department of ChemistryRenmin University of China Beijing 100872 People's Republic of China
| | - Zhenli Luo
- Department of ChemistryRenmin University of China Beijing 100872 People's Republic of China
| | - Jiahong Han
- Department of ChemistryRenmin University of China Beijing 100872 People's Republic of China
| | - Xin Xu
- Department of ChemistryRenmin University of China Beijing 100872 People's Republic of China
| | - Changjun Chen
- Department of ChemistryRenmin University of China Beijing 100872 People's Republic of China
| | - Haoqiang Zhao
- Department of ChemistryRenmin University of China Beijing 100872 People's Republic of China
| | - Lijin Xu
- Department of ChemistryRenmin University of China Beijing 100872 People's Republic of China
| | - Qinghua Fan
- Institute of ChemistryChinese Academy of Sciences Beijing 100190 People's Republic of China
| | - Jianliang Xiao
- Department of ChemistryUniversity of Liverpool Liverpool L69 7ZD United Kingdom
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Ogiwara Y, Shimoda W, Ide K, Nakajima T, Sakai N. Carboxamides as N
-Alkylating Reagents of Secondary Amines in Indium-Catalyzed Reductive Amination with a Hydrosilane. European J Org Chem 2017. [DOI: 10.1002/ejoc.201601629] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Yohei Ogiwara
- Department of Pure and Applied Chemistry; Faculty of Science and Technology; Tokyo University of Science (RIKADAI); 278-8510 Noda, Chiba Japan
| | - Wataru Shimoda
- Department of Pure and Applied Chemistry; Faculty of Science and Technology; Tokyo University of Science (RIKADAI); 278-8510 Noda, Chiba Japan
| | - Keisuke Ide
- Department of Pure and Applied Chemistry; Faculty of Science and Technology; Tokyo University of Science (RIKADAI); 278-8510 Noda, Chiba Japan
| | - Takumi Nakajima
- Department of Pure and Applied Chemistry; Faculty of Science and Technology; Tokyo University of Science (RIKADAI); 278-8510 Noda, Chiba Japan
| | - Norio Sakai
- Department of Pure and Applied Chemistry; Faculty of Science and Technology; Tokyo University of Science (RIKADAI); 278-8510 Noda, Chiba Japan
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7
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Das S, Li Y, Lu LQ, Junge K, Beller M. A General and Selective Rhodium-Catalyzed Reduction of Amides,N-Acyl Amino Esters, and Dipeptides Using Phenylsilane. Chemistry 2016; 22:7050-3. [PMID: 26991132 DOI: 10.1002/chem.201600535] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Indexed: 11/09/2022]
Affiliation(s)
- Shoubhik Das
- Leibniz-Institut für Katalyse e.V. an der; Universität Rostock; Albert Einstein Str. 29a 18059 Rostock Germany
| | - Yuehui Li
- Leibniz-Institut für Katalyse e.V. an der; Universität Rostock; Albert Einstein Str. 29a 18059 Rostock Germany
| | - Liang-Qiu Lu
- Leibniz-Institut für Katalyse e.V. an der; Universität Rostock; Albert Einstein Str. 29a 18059 Rostock Germany
| | - Kathrin Junge
- Leibniz-Institut für Katalyse e.V. an der; Universität Rostock; Albert Einstein Str. 29a 18059 Rostock Germany
| | - Matthias Beller
- Leibniz-Institut für Katalyse e.V. an der; Universität Rostock; Albert Einstein Str. 29a 18059 Rostock Germany
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8
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Mohapatra C, Samuel PP, Li B, Niepötter B, Schürmann CJ, Herbst-Irmer R, Stalke D, Maity B, Koley D, Roesky HW. Insertion of Cyclic Alkyl(amino) Carbene into the Si-H Bonds of Hydrochlorosilanes. Inorg Chem 2016; 55:1953-5. [PMID: 26859316 DOI: 10.1021/acs.inorgchem.6b00024] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Carbenes are known for their ability to abstract HCl from hydrochlorosilanes to form carbene hydrochloride adducts. In contrast, the Si-H bond insertion products RSiCl2(cAACH) (2, 4, 6, and 8) have been formed in the reaction of RSiHCl2 [R = Ar(SiMe3)N (1), Cp* (3), PhC(NtBu)2 (5), Cl (7); Ar = 2,6-iPr2C6H3] with a cyclic alkyl(amino) carbene (cAAC:) irrespective of the steric demand of the R group. The new products have been characterized by various analytical tools including X-ray crystallography, electron ionization mass spectrometry, and NMR spectroscopy. Theoretical investigations have also been performed to understand why cAAC prefers insertion into the Si-H bond rather than the dehydrohalogenation pathway.
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Affiliation(s)
- Chandrajeet Mohapatra
- Institut für Anorganische Chemie, Universität Göttingen , Tammannstrasse 4, 37077 Göttingen, Germany
| | - Prinson P Samuel
- Institut für Anorganische Chemie, Universität Göttingen , Tammannstrasse 4, 37077 Göttingen, Germany
| | - Bin Li
- Institut für Anorganische Chemie, Universität Göttingen , Tammannstrasse 4, 37077 Göttingen, Germany
| | - Benedikt Niepötter
- Institut für Anorganische Chemie, Universität Göttingen , Tammannstrasse 4, 37077 Göttingen, Germany
| | - Christian J Schürmann
- Institut für Anorganische Chemie, Universität Göttingen , Tammannstrasse 4, 37077 Göttingen, Germany
| | - Regine Herbst-Irmer
- Institut für Anorganische Chemie, Universität Göttingen , Tammannstrasse 4, 37077 Göttingen, Germany
| | - Dietmar Stalke
- Institut für Anorganische Chemie, Universität Göttingen , Tammannstrasse 4, 37077 Göttingen, Germany
| | - Bholanath Maity
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) , Kolkata, India
| | - Debasis Koley
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) , Kolkata, India
| | - Herbert W Roesky
- Institut für Anorganische Chemie, Universität Göttingen , Tammannstrasse 4, 37077 Göttingen, Germany
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9
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Nguyen TVQ, Yoo W, Kobayashi S. Chelating Bis(1,2,3‐triazol‐5‐ylidene) Rhodium Complexes: Versatile Catalysts for Hydrosilylation Reactions. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201500875] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Thanh V. Q. Nguyen
- Department of Chemistry, School of Science The University of Tokyo 7-3-1 Hongo Bunkyo-ku, Tokyo Japan
| | - Woo‐Jin Yoo
- Department of Chemistry, School of Science The University of Tokyo 7-3-1 Hongo Bunkyo-ku, Tokyo Japan
| | - Shū Kobayashi
- Department of Chemistry, School of Science The University of Tokyo 7-3-1 Hongo Bunkyo-ku, Tokyo Japan
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10
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Li B, Sortais JB, Darcel C. Amine synthesis via transition metal homogeneous catalysed hydrosilylation. RSC Adv 2016. [DOI: 10.1039/c6ra10494k] [Citation(s) in RCA: 90] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
This review summarizes the preparation of amines involving homogeneous transition metal catalysed hydrosilylation including reductions of imines, amides, nitro and nitriles, reductive aminations and N-methylation of amines with CO2.
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Affiliation(s)
- Bin Li
- UMR 6226 CNRS-Université de Rennes 1 “Institut des Sciences Chimiques de Rennes”
- Team “Organometallics: Materials and Catalysis”
- “Centre for Catalysis and Green Chemistry”
- 35042 Rennes Cedex
- France
| | - Jean-Baptiste Sortais
- UMR 6226 CNRS-Université de Rennes 1 “Institut des Sciences Chimiques de Rennes”
- Team “Organometallics: Materials and Catalysis”
- “Centre for Catalysis and Green Chemistry”
- 35042 Rennes Cedex
- France
| | - Christophe Darcel
- UMR 6226 CNRS-Université de Rennes 1 “Institut des Sciences Chimiques de Rennes”
- Team “Organometallics: Materials and Catalysis”
- “Centre for Catalysis and Green Chemistry”
- 35042 Rennes Cedex
- France
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Sakai N, Takeoka M, Kumaki T, Asano H, Konakahara T, Ogiwara Y. Indium-catalyzed reduction of secondary amides with a hydrosiloxane leading to secondary amines. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.09.148] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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12
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Das S, Li Y, Bornschein C, Pisiewicz S, Kiersch K, Michalik D, Gallou F, Junge K, Beller M. Selective Rhodium-Catalyzed Reduction of Tertiary Amides in Amino Acid Esters and Peptides. Angew Chem Int Ed Engl 2015; 54:12389-93. [DOI: 10.1002/anie.201503584] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2015] [Revised: 05/28/2015] [Indexed: 11/11/2022]
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13
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Das S, Li Y, Bornschein C, Pisiewicz S, Kiersch K, Michalik D, Gallou F, Junge K, Beller M. Selective Rhodium-Catalyzed Reduction of Tertiary Amides in Amino Acid Esters and Peptides. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201503584] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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