1
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Chen Z, Song G, Qi L, Gunasekar R, Aïssa C, Robertson C, Steiner A, Xue D, Xiao J. Reductive Transamination of Pyridinium Salts to N-Aryl Piperidines. J Org Chem 2024; 89:9352-9359. [PMID: 38872240 PMCID: PMC11232014 DOI: 10.1021/acs.joc.4c00493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 05/30/2024] [Accepted: 06/05/2024] [Indexed: 06/15/2024]
Abstract
Saturated N-heterocycles are found in numerous bioactive natural products and are prevalent in pharmaceuticals and agrochemicals. While there are many methods for their synthesis, each has its limitations, such as scope and functional group tolerance. Herein, we describe a rhodium-catalyzed transfer hydrogenation of pyridinium salts to access N-(hetero)aryl piperidines. The reaction proceeds via a reductive transamination process, involving the initial formation of a dihydropyridine intermediate via reduction of the pyridinium ion with HCOOH, which is intercepted by water and then hydrolyzed. Subsequent reductive amination with an exogenous (hetero)aryl amine affords an N-(hetero)aryl piperidine. This reductive transamination method thus allows for access of N-(hetero)aryl piperidines from readily available pyridine derivatives, expanding the toolbox of dearomatization and skeletal editing.
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Affiliation(s)
- Zhenyu Chen
- Department
of Chemistry, University of Liverpool, Liverpool L69 7ZD, U.K.
| | - Geyang Song
- Key
Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education
and School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710119, China
| | - Leiming Qi
- Department
of Chemistry, University of Liverpool, Liverpool L69 7ZD, U.K.
| | | | - Christophe Aïssa
- Department
of Chemistry, University of Liverpool, Liverpool L69 7ZD, U.K.
| | - Craig Robertson
- Department
of Chemistry, University of Liverpool, Liverpool L69 7ZD, U.K.
| | - Alexander Steiner
- Department
of Chemistry, University of Liverpool, Liverpool L69 7ZD, U.K.
| | - Dong Xue
- Key
Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education
and School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710119, China
| | - Jianliang Xiao
- Department
of Chemistry, University of Liverpool, Liverpool L69 7ZD, U.K.
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2
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Concha-Puelles M, Torres-González S, Robles-Henríquez R, Lühr S. Ruthenium-Catalyzed Selective Mono N-Ethylation of Arylamines and Tandem Reduction/ N-Ethylation of Nitroarenes Using Triethylamine and Formic Acid. J Org Chem 2024; 89:8773-8781. [PMID: 38822797 DOI: 10.1021/acs.joc.4c00673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2024]
Abstract
The mono N-alkylation of arylamines using alkylamines as alkyl group donors has been scarcely investigated. In this work, we report the mono N-alkylation of several arylamines (52-95%) catalyzed by the complex ruthenium-triphos in the presence of Al(OTf)3. Moreover, the highly reductant ability of the catalyst system allows the tandem reduction/N-alkylation of nitrobenzenes in good yields (up to 80%). In addition, the catalyst can be recycled after three reaction cycles without loss of catalyst activity.
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Affiliation(s)
- MatíAs Concha-Puelles
- Faculty of Sciences, Department of Chemistry, University of Chile, Las Palmeras 3425, Ñuñoa, Santiago 775000, Chile
| | - Simón Torres-González
- Faculty of Sciences, Department of Chemistry, University of Chile, Las Palmeras 3425, Ñuñoa, Santiago 775000, Chile
| | - Ramiro Robles-Henríquez
- Faculty of Sciences, Department of Chemistry, University of Chile, Las Palmeras 3425, Ñuñoa, Santiago 775000, Chile
| | - Susan Lühr
- Faculty of Sciences, Department of Chemistry, University of Chile, Las Palmeras 3425, Ñuñoa, Santiago 775000, Chile
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3
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Li H, Wang K, Yang L, Luo YZ, Yao ZJ. Half-sandwich ruthenium complexes with acylhydrazone ligands: synthesis and catalytic activity in the N-alkylation of hydrazides. Dalton Trans 2024; 53:2797-2806. [PMID: 38226891 DOI: 10.1039/d3dt04078j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2024]
Abstract
Novel half-sandwich ruthenium complexes termed [(p-cymene)RuClL] were synthesized by chelating arylhydrazone ligands with [(p-cymene)RuCl2]2 and were then fully characterized using different spectroscopic and analytical techniques. The crystal structure of complex 4 indicated that the hydrazone ligands bonded to the ruthenium ion in a bidentate manner through the imine nitrogen and imidazolate oxygen, exhibiting a pseudo-octahedral geometry centered by the ruthenium atom. The as-fabricated air and moisture stable half-sandwich ruthenium complexes demonstrated excellent catalytic activity towards the N-alkylation of hydrazides under mild conditions. Under the catalysis of ruthenium complexes, acyl hydrazides were reacted with different types of alcohols in a one-pot reaction, resulting in N-alkylation hydrazides with different substituents. This catalyst exhibited characteristics such as high catalytic efficiency, broad substrate scope, and mild reaction conditions, indicating that it has great potential for industrial applications.
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Affiliation(s)
- Heng Li
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai, 201418, China.
| | - Ke Wang
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai, 201418, China.
| | - Lin Yang
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai, 201418, China.
| | - Yu-Zhou Luo
- Scientific Research Office, Guangzhou College of Commerce, Guangzhou, 511363, China.
| | - Zi-Jian Yao
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai, 201418, China.
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
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4
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Chen YS, Chiu SY, Li CY, Chen TR, Chen JD. Ligand effect of cyclometallated iridium(iii) complexes on N-alkylation of amines in hydrogen borrowing reactions. RSC Adv 2023; 13:31948-31961. [PMID: 37915445 PMCID: PMC10617371 DOI: 10.1039/d3ra07184g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Accepted: 10/24/2023] [Indexed: 11/03/2023] Open
Abstract
Dinuclear iridium complexes with the general formula (C^N)2Ir(μ-Cl)2Ir(C^N)2 (C^N = bidentate ligand with carbon and nitrogen donor atoms) were prepared and used in catalytic systems for N-alkylation of amines through the hydrogen borrowing pathway. Triphenylphosphine derivatives were used as auxiliary in catalytic systems to provide excellent conversion of amines to N-alkylation products in yields ranging from 57% to 100%. The catalytic ability of the catalyst depends on the structure of its coordination ligands, including bidentate ligands (C^N) and triphenylphosphine derivatives. These catalytic systems adopt an environmentally friendly and sustainable reaction process through a hydrogen self-transfer strategy, using readily available alcohols as alkylating agents without the need for bases, solvents, and other additives, showing potential in the synthetic and pharmaceutical industries.
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Affiliation(s)
- Yi-Sheng Chen
- Department of Applied Chemistry, National Ping Tung University Pingtong City Taiwan
| | - Siang-Yu Chiu
- Department of Applied Chemistry, National Ping Tung University Pingtong City Taiwan
| | - Chia-Ying Li
- Department of Applied Chemistry, National Ping Tung University Pingtong City Taiwan
| | - Tsun-Ren Chen
- Department of Applied Chemistry, National Ping Tung University Pingtong City Taiwan
| | - Jhy-Der Chen
- Department of Chemistry, Chung Yuan Christian University Chung-Li Taiwan R.O.C
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5
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Wang WH, Shao WY, Sang JY, Li X, Yu X, Yamamoto Y, Bao M. N,N-Dialkylation of Acyl Hydrazides with Alcohols Catalyzed by Amidato Iridium Complexes via Borrowing Hydrogen. Organometallics 2023. [DOI: 10.1021/acs.organomet.3c00026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
Affiliation(s)
- Wan-Hui Wang
- School of Chemical Engineering, Dalian University of Technology, Panjin 124221, China
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, China
| | - Wei-Yu Shao
- School of Chemical Engineering, Dalian University of Technology, Panjin 124221, China
| | - Jia-Yue Sang
- School of Chemical Engineering, Dalian University of Technology, Panjin 124221, China
| | - Xu Li
- School of Chemical Engineering, Dalian University of Technology, Panjin 124221, China
| | - Xiaoqiang Yu
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, China
| | - Yoshinori Yamamoto
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, China
| | - Ming Bao
- School of Chemical Engineering, Dalian University of Technology, Panjin 124221, China
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, China
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6
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Spontaneous Release of Metalloradicals and Coordinatively Unsaturated Species in Asymmetric Iridium Dimers to Promote C-N Bond Formation. INORGANICS 2022. [DOI: 10.3390/inorganics10120237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/09/2022] Open
Abstract
An unusual iridium dimer 1, [(4-cpbo)Ir(μ-Cl)(μ-O)Ir(4-cpbo)] (4-cpbo = 4-chlorophenylbenzoxazolato-N,C2), was obtained by the oxidative addition of oxygen and reductive elimination of chlorine from a precursor [(4-cpbo)2Ir(μ-Cl)]2. This iridium dimer 1 has a metastable structure with an asymmetric bridge, can spontaneously release metalloradicals and coordinatively unsaturated species in solution at room temperature, and exhibits high catalytic ability for synthetic applications.
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7
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Gupta NK, Reif P, Palenicek P, Rose M. Toward Renewable Amines: Recent Advances in the Catalytic Amination of Biomass-Derived Oxygenates. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Navneet Kumar Gupta
- Technical University of Darmstadt, Department of Chemistry, Alarich-Weiss-Straße 8, 64287 Darmstadt, Germany
| | - Phillip Reif
- Technical University of Darmstadt, Department of Chemistry, Alarich-Weiss-Straße 8, 64287 Darmstadt, Germany
| | - Phillip Palenicek
- Technical University of Darmstadt, Department of Chemistry, Alarich-Weiss-Straße 8, 64287 Darmstadt, Germany
| | - Marcus Rose
- Technical University of Darmstadt, Department of Chemistry, Alarich-Weiss-Straße 8, 64287 Darmstadt, Germany
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8
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Podyacheva E, Afanasyev OI, Vasilyev DV, Chusov D. Borrowing Hydrogen Amination Reactions: A Complex Analysis of Trends and Correlations of the Various Reaction Parameters. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01133] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Evgeniya Podyacheva
- A.N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Vavilova St. 28, Moscow 119991, Russian Federation
- National Research University Higher School of Economics, Miasnitskaya Str. 20, Moscow 101000, Russian Federation
| | - Oleg I. Afanasyev
- A.N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Vavilova St. 28, Moscow 119991, Russian Federation
| | - Dmitry V. Vasilyev
- Forschungszentrum Jülich GmbH, Helmholtz Institute Erlangen-Nürnberg for Renewable Energy (IEK-11), Egerlandstr. 3, 91058 Erlangen, Germany
| | - Denis Chusov
- A.N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences, Vavilova St. 28, Moscow 119991, Russian Federation
- National Research University Higher School of Economics, Miasnitskaya Str. 20, Moscow 101000, Russian Federation
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9
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González-Lainez M, Jiménez MV, Azpiroz R, Passarelli V, Modrego FJ, Pérez-Torrente JJ. N-Methylation of Amines with Methanol Catalyzed by Iridium(I) Complexes Bearing an N,O-Functionalized NHC Ligand. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Miguel González-Lainez
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-C.S.I.C., 50009 Zaragoza, Spain
| | - M. Victoria Jiménez
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-C.S.I.C., 50009 Zaragoza, Spain
| | - Ramón Azpiroz
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-C.S.I.C., 50009 Zaragoza, Spain
| | - Vincenzo Passarelli
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-C.S.I.C., 50009 Zaragoza, Spain
| | - F. Javier Modrego
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-C.S.I.C., 50009 Zaragoza, Spain
| | - Jesús J. Pérez-Torrente
- Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-C.S.I.C., 50009 Zaragoza, Spain
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10
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Maji M, Borthakur I, Srivastava S, Kundu S. Regio-Selective C3- and N-Alkylation of Indolines in Water under Air Using Alcohols. J Org Chem 2022; 87:5603-5616. [PMID: 35416045 DOI: 10.1021/acs.joc.1c03040] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
We disclosed a regio-selective C-H and N-H bond functionalization of indolines using alcohols in water via tandem dehydrogenation of N-heterocycles and alcohols. A diverse range of N- and C3-alkylated indolines/indoles were accessed utilizing a new cooperative iridium catalyst. The practical applicability of this methodology was demonstrated by the preparative-scale synthesis and synthesis of a psychoactive drug, N,N-dimethyltryptamine. A catalytic cycle is proposed based on several kinetic experiments, series of control experiments and density functional theory calculations.
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Affiliation(s)
- Milan Maji
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India
| | - Ishani Borthakur
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India
| | - Sameer Srivastava
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India
| | - Sabuj Kundu
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India
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11
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Song H, Shen Y, Zhou H, Ding D, Yang F, Wang Y, Xu C, Cai X. Light-Promoted Low-Valent-Tungsten-Catalyzed Ambient Temperature Amination of Boronic Acids with Nitroaromatics. J Org Chem 2022; 87:5303-5314. [PMID: 35362972 DOI: 10.1021/acs.joc.2c00138] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Triggering C-N bond formation with nitroaromatics and boronic acids at mild conditions is highly desirable, since most prior works were carried out under harsh conditions and sometimes suffered from poor chemo- or regioselectivity. Herein, a low-valent-tungsten-catalyzed reaction that enables the ambient temperature amination of boronic acids with nitroaromatics is disclosed. With readily available W(CO)6 as a precatalyst under external-photosensitizer-free conditions, nitroaromatics smoothly undergo C-N coupling reactions with their boronic acid partners, delivering structurally diverse secondary amines in good yields (>50 examples, yields up to 96%). This methodology is both scalable and highly chemoselective and engages both aliphatic and aromatic boronic acid partners. The catalysis is initiated by the deoxygenation of nitroaromatics by a trans-[W(CO)4(PPh3)2] (trans-W, PPh3 = triphenylphosphine) complex, which forms in situ via ligand replacement.
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Affiliation(s)
- Heng Song
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, P. R. China
| | - Yang Shen
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, P. R. China
| | - Hu Zhou
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, P. R. China
| | - Danli Ding
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, P. R. China
| | - Fu Yang
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, P. R. China
| | - Yemei Wang
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, P. R. China
| | - Chen Xu
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, P. R. China
| | - Xingwei Cai
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, P. R. China
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12
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Moutaoukil Z, Serrano-Díez E, Collado IG, Jiménez-Tenorio M, Botubol-Ares JM. N-Alkylation of organonitrogen compounds catalyzed by methylene-linked bis-NHC half-sandwich ruthenium complexes. Org Biomol Chem 2022; 20:831-839. [PMID: 35018948 DOI: 10.1039/d1ob02214h] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
An efficient ruthenium-catalyzed N-alkylation of amines, amides and sulfonamides has been developed employing novel pentamethylcyclopentadienylruthenium(II) complexes bearing the methylene linked bis(NHC) ligand bis(3-methylimidazol-2-ylidene)methane. The acetonitrile complex 2 has proven particularly effective with a broad range of substrates with low catalyst loading (0.1-2.5 mol%) and high functional group tolerance under mild conditions. A total of 52 N-alkylated organonitrogen compounds including biologically relevant scaffolds were synthesized from (hetero)aromatic and aliphatic amines, amides and sulfonamides using alcohols or diols as alkylating agents in up to 99% isolated yield, even on gram-scale reactions. In the case of sulfonamides, it is the first example of N-alkylation employing a transition-metal complex bearing NHC ligands.
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Affiliation(s)
- Zakaria Moutaoukil
- University of Cadiz, Departamento de Química Orgánica-INBIO, Facultad de Ciencias, Torre Sur, 4° planta, 11510, Puerto Real, Cádiz.
| | - Emmanuel Serrano-Díez
- University of Cadiz, Departamento de Química Orgánica-INBIO, Facultad de Ciencias, Torre Sur, 4° planta, 11510, Puerto Real, Cádiz.
| | - Isidro G Collado
- University of Cadiz, Departamento de Química Orgánica-INBIO, Facultad de Ciencias, Torre Sur, 4° planta, 11510, Puerto Real, Cádiz.
| | - Manuel Jiménez-Tenorio
- University of Cadiz, Departamento de Ciencias de los Materiales e Ingeniería Metalúrgica y Química Inorgánica-INBIO, Facultad de Ciencias, Torre Norte, 1° planta, 11510, Puerto Real, Cádiz, Spain
| | - José Manuel Botubol-Ares
- University of Cadiz, Departamento de Química Orgánica-INBIO, Facultad de Ciencias, Torre Sur, 4° planta, 11510, Puerto Real, Cádiz.
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13
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Chen TR, Chen YT, Chen YS, Lee WJ, Lin YH, Wang HC. Iridium/graphene nanostructured catalyst for the N-alkylation of amines to synthesize nitrogen-containing derivatives and heterocyclic compounds in a green process. RSC Adv 2022; 12:4760-4770. [PMID: 35425512 PMCID: PMC8981502 DOI: 10.1039/d1ra09052f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 01/20/2022] [Indexed: 12/15/2022] Open
Abstract
The unprecedented iridium/graphene nanostructured catalyst directly promotes the formation of C–N bonds without the need for pre-activation steps, solvents, alkalis and other additives.
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Affiliation(s)
- Tsun-Ren Chen
- Department of Applied Chemistry, National Ping Tung University, Pingtung City, Taiwan
| | - Yu-Tung Chen
- Department of Applied Chemistry, National Ping Tung University, Pingtung City, Taiwan
| | - Yi-Sheng Chen
- Department of Applied Chemistry, National Ping Tung University, Pingtung City, Taiwan
| | - Wen-Jen Lee
- Department of Applied Physics, National Ping Tung University, Pingtung City, Taiwan
| | - Yen-Hsing Lin
- Department of Applied Chemistry, National Ping Tung University, Pingtung City, Taiwan
| | - Hao-Chen Wang
- Department of Applied Chemistry, National Ping Tung University, Pingtung City, Taiwan
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14
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Suarsih E, Kita Y, Kamata K, Hara M. A heterogeneous cobalt catalyst for C–C bond formation by a borrowing hydrogen strategy. Catal Sci Technol 2022. [DOI: 10.1039/d2cy00724j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Co–MgO/TiO2 exhibited high activity for α-alkylation of ketones with alcohols through a borrowing hydrogen strategy without the addition of bases which were utilized in reported heterogeneous catalytic systems.
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Affiliation(s)
- Endah Suarsih
- Laboratory for Materials and Structures, Institute of Innovative Research, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama 226-8503, Japan
| | - Yusuke Kita
- Laboratory for Materials and Structures, Institute of Innovative Research, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama 226-8503, Japan
| | - Keigo Kamata
- Laboratory for Materials and Structures, Institute of Innovative Research, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama 226-8503, Japan
| | - Michikazu Hara
- Laboratory for Materials and Structures, Institute of Innovative Research, Tokyo Institute of Technology, Nagatsuta-cho 4259, Midori-ku, Yokohama 226-8503, Japan
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15
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Ye Z, Yang Z, Yang C, Huang M, Xu X, Ke Z. Disarming the alkoxide trap to access a practical FeCl 3 system for borrowing-hydrogen N-alkylation. Org Chem Front 2022. [DOI: 10.1039/d2qo00825d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Disarming the alkoxide trap using an in situ reduction strategy to access a practical FeCl3 and N-heterocyclic carbene system for borrowing-hydrogen N-alkylation.
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Affiliation(s)
- Zongren Ye
- School of Materials Science & Engineering, School of Chemistry, PCFM Lab, Sun Yat-sen University, Guangzhou 510006, P. R. China
| | - Zhenjie Yang
- School of Materials Science & Engineering, School of Chemistry, PCFM Lab, Sun Yat-sen University, Guangzhou 510006, P. R. China
| | - Chenhui Yang
- School of Materials Science & Engineering, School of Chemistry, PCFM Lab, Sun Yat-sen University, Guangzhou 510006, P. R. China
| | - Ming Huang
- School of Materials Science & Engineering, School of Chemistry, PCFM Lab, Sun Yat-sen University, Guangzhou 510006, P. R. China
- School of Clinical Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, P. R. China
| | - Xianfang Xu
- School of Materials Science & Engineering, School of Chemistry, PCFM Lab, Sun Yat-sen University, Guangzhou 510006, P. R. China
| | - Zhuofeng Ke
- School of Materials Science & Engineering, School of Chemistry, PCFM Lab, Sun Yat-sen University, Guangzhou 510006, P. R. China
- Guangdong Provincial Key Laboratory of Optical Chemicals, XinHuaYue Group, Maoming, 525000, P.R. China
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16
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Irving CD, Floreancig JT, Gasonoo M, Kelley AS, Laulhé S. Synthesis of Imide and Amine Derivatives via Deoxyamination of Alcohols Using
N
‐Haloimides and Triphenylphosphine. ChemistrySelect 2021; 6:8874-8878. [DOI: 10.1002/slct.202102296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Charles D. Irving
- Department of Chemistry and Chemical Biology Indiana University-Purdue University Indianapolis Indianapolis IN 46202 United States
| | - Jack T. Floreancig
- Department of Chemistry and Chemical Biology Indiana University-Purdue University Indianapolis Indianapolis IN 46202 United States
| | - Makafui Gasonoo
- Department of Chemistry and Chemical Biology Indiana University-Purdue University Indianapolis Indianapolis IN 46202 United States
| | - Alexandra S. Kelley
- Department of Chemistry and Chemical Biology Indiana University-Purdue University Indianapolis Indianapolis IN 46202 United States
| | - Sébastien Laulhé
- Department of Chemistry and Chemical Biology Indiana University-Purdue University Indianapolis Indianapolis IN 46202 United States
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17
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Subaramanian M, Ramar PM, Sivakumar G, Kadam RG, Petr M, Zboril R, Gawande MB, Balaraman E. Convenient and Reusable Manganese‐Based Nanocatalyst for Amination of Alcohols. ChemCatChem 2021. [DOI: 10.1002/cctc.202100635] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Murugan Subaramanian
- Department of Chemistry Indian Institute of Science Education and Research (IISER) Tirupati 517507 Tirupati India
| | - Palmurukan M. Ramar
- Department of Chemistry Indian Institute of Science Education and Research (IISER) Tirupati 517507 Tirupati India
| | - Ganesan Sivakumar
- Department of Chemistry Indian Institute of Science Education and Research (IISER) Tirupati 517507 Tirupati India
| | - Ravishankar G. Kadam
- Regional Centre of Advanced Technologies and Materials Palacky University 78371 Olomouc Czech Republic
| | - Martin Petr
- Regional Centre of Advanced Technologies and Materials Palacky University 78371 Olomouc Czech Republic
| | - Radek Zboril
- Regional Centre of Advanced Technologies and Materials Palacky University 78371 Olomouc Czech Republic
| | - Manoj B. Gawande
- Regional Centre of Advanced Technologies and Materials Palacky University 78371 Olomouc Czech Republic
| | - Ekambaram Balaraman
- Department of Chemistry Indian Institute of Science Education and Research (IISER) Tirupati 517507 Tirupati India
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18
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Mondal A, Sharma R, Pal D, Srimani D. Recent Progress in the Synthesis of Heterocycles through Base Metal‐Catalyzed Acceptorless Dehydrogenative and Borrowing Hydrogen Approach. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100517] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Avijit Mondal
- Department of Chemistry Indian Institute of Technology Guwahati, Assam Kamrup (Rural) 781039 India
| | - Rahul Sharma
- Department of Chemistry Indian Institute of Technology Guwahati, Assam Kamrup (Rural) 781039 India
| | - Debjyoti Pal
- Department of Chemistry Indian Institute of Technology Guwahati, Assam Kamrup (Rural) 781039 India
| | - Dipankar Srimani
- Department of Chemistry Indian Institute of Technology Guwahati, Assam Kamrup (Rural) 781039 India
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19
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Zhang MJ, Ge XL, Young DJ, Li HX. Recent advances in Co-catalyzed C–C and C–N bond formation via ADC and ATH reactions. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132309] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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20
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Chen Z, Kacmaz A, Xiao J. Recent Development in the Synthesis and Catalytic Application of Iridacycles. CHEM REC 2021; 21:1506-1534. [PMID: 33939250 DOI: 10.1002/tcr.202100051] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 03/23/2021] [Accepted: 03/24/2021] [Indexed: 12/12/2022]
Abstract
Cyclometallated complexes are well-known and have found many applications. This article provides a short review on the progress made in the synthesis and application to catalysis of cyclometallated half-sandwich Cp*Ir(III) complexes (Cp*: pentamethylcyclopentadienyl) since 2017. Covered in the review are iridacycles featuring conventional C,N chelates and less common metallocene and carbene-derived C,N and C,C ligands. This is followed by an overview of the studies of their applications in catalysis ranging from asymmetric hydrogenation, transfer hydrogenation, hydrosilylation to dehydrogenation.
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Affiliation(s)
- Zhenyu Chen
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, UK
| | - Aysecik Kacmaz
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, UK.,Department of Chemistry, Faculty of Engineering, Istanbul University - Cerrahpasa, Avcilar, Istanbul, 34320, Turkey
| | - Jianliang Xiao
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, UK
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21
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Reed-Berendt B, Latham DE, Dambatta MB, Morrill LC. Borrowing Hydrogen for Organic Synthesis. ACS CENTRAL SCIENCE 2021; 7:570-585. [PMID: 34056087 PMCID: PMC8155478 DOI: 10.1021/acscentsci.1c00125] [Citation(s) in RCA: 121] [Impact Index Per Article: 40.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Indexed: 05/03/2023]
Abstract
Borrowing hydrogen is a process that is used to diversify the synthetic utility of commodity alcohols. A catalyst first oxidizes an alcohol by removing hydrogen to form a reactive carbonyl compound. This intermediate can undergo a diverse range of subsequent transformations before the catalyst returns the "borrowed" hydrogen to liberate the product and regenerate the catalyst. In this way, alcohols may be used as alkylating agents whereby the sole byproduct of this one-pot reaction is water. In recent decades, significant advances have been made in this area, demonstrating many effective methods to access valuable products. This outlook highlights the diversity of metal and biocatalysts that are available for this approach, as well as the various transformations that can be performed, focusing on a selection of the most significant and recent advances. By succinctly describing and conveying the versatility of borrowing hydrogen chemistry, we anticipate its uptake will increase across a wider scientific audience, expanding opportunities for further development.
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22
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Adhikari P, Bhattacharyya D, Nandi S, Kancharla PK, Das A. Reductive Alkylation of Quinolines to N-Alkyl Tetrahydroquinolines Catalyzed by Arylboronic Acid. Org Lett 2021; 23:2437-2442. [PMID: 33711233 DOI: 10.1021/acs.orglett.1c00302] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A boronic acid catalyzed one-pot tandem reduction of quinolines to tetrahydroquinolines followed by reductive alkylation by the aldehyde has been demonstrated. This step-economcial synthesis of N-alkyl tetrahydroquinolines has been achieved directly from readily available quinolines, aldehydes, and Hantzsch ester under mild reaction conditions. The mechanistic study demonstrates the unique behavior of organoboron catalysts as both Lewis acids and hydrogen-bond donors.
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Affiliation(s)
- Priyanka Adhikari
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Dipanjan Bhattacharyya
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Sekhar Nandi
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Pavan K Kancharla
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Animesh Das
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
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23
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Smith J, Kacmaz A, Wang C, Villa-Marcos B, Xiao J. Chiral cyclometalated iridium complexes for asymmetric reduction reactions. Org Biomol Chem 2021; 19:279-284. [PMID: 33242054 DOI: 10.1039/d0ob02049d] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A series of chiral cyclometalated iridium complexes have been synthesised by cyclometalating chiral 2-aryl-oxazoline and imidazoline ligands with [Cp*IrCl2]2. These iridacycles were studied for asymmetric transfer hydrogenation reactions with formic acid as the hydrogen source and were found to display various activities and enantioselectivities, with the most effective ones affording up to 63% ee in the asymmetric reductive amination of ketones and 77% ee in the reduction of pyridinium ions.
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Affiliation(s)
- Jennifer Smith
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, UK.
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24
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Mondal R, Ortiz RJ, Braun JD, Herbert DE. Synthesis, characterization, and coordination chemistry of a phenanthridine-containing N-heterocyclic carbene ligand. CAN J CHEM 2021. [DOI: 10.1139/cjc-2020-0333] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
An N-heterocyclic carbene ligand precursor bearing a π-extended phenanthridine (3,4-benzoquinoline) unit is presented. The proligand was isolated as the imidazolium salt of chloride (1•HCl), bromide (1•HBr), or hexafluorophosphate (1•HPF6) counterions. These salts can be deprotonated and the carbene installed on silver centres using Ag2O as both a base and a source of metal ion. The resulting Ag(I) complex (1)AgCl can be used in a transmetalation reaction to generate a Pd(II) coordination complex (1)Pd(CH3CN)Cl2. The characterization and photophysical properties of these complexes is presented, along with a demonstration of the utility of (1)Pd(CH3CN)Cl2 in mediating a catalytic C-N cross-coupling reaction for the preparation of the pharmaceutical Piribedil.
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Affiliation(s)
- Rajarshi Mondal
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, MB R3T 2N2, Canada
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, MB R3T 2N2, Canada
| | - Robert J. Ortiz
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, MB R3T 2N2, Canada
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, MB R3T 2N2, Canada
| | - Jason D. Braun
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, MB R3T 2N2, Canada
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, MB R3T 2N2, Canada
| | - David E. Herbert
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, MB R3T 2N2, Canada
- Department of Chemistry and the Manitoba Institute for Materials, University of Manitoba, 144 Dysart Road, Winnipeg, MB R3T 2N2, Canada
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25
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Gou Q, Yuan B, Ran M, Ren J, Zhang MZ, Tan X, Yuan T, Zhang X. C(sp 3)-H Monoarylation of Methanol Enabled by a Bidentate Auxiliary. Org Lett 2020; 23:118-123. [PMID: 33351637 DOI: 10.1021/acs.orglett.0c03786] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
With the assistance of a practical directing group (COAQ), the first catalytic protocol for the palladium-catalyzed C(sp3)-H monoarylation of methanol has been developed, offering an invaluable synthesis means to establish extensive derivatives of crucial arylmethanol functional fragments. Furthermore, the gram-scale reaction, broad substrate scope, excellent functional group compatibility, and even the practical synthesis of medicines further demonstrate the usefulness of this strategy.
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Affiliation(s)
- Quan Gou
- School of Chemistry and Chemical Engineering, Yangtze Normal University, Chongqing 408100 China
| | - Binfang Yuan
- School of Chemistry and Chemical Engineering, Yangtze Normal University, Chongqing 408100 China
| | - Man Ran
- School of Chemistry and Chemical Engineering, Yangtze Normal University, Chongqing 408100 China
| | - Jian Ren
- Key Laboratory of Jiangxi University for Applied Chemistry and Chemical Biology, Yichun University, Yichun 336000, China
| | - Ming-Zhong Zhang
- School of Chemistry and Chemical Engineering, Yangtze Normal University, Chongqing 408100 China
| | - Xiaoping Tan
- School of Chemistry and Chemical Engineering, Yangtze Normal University, Chongqing 408100 China
| | - Tengrui Yuan
- Department of Organic and Macromolecular Chemistry, Ghent University, 9000 Gent, Belgium
| | - Xing Zhang
- School of Chemistry and Chemical Engineering, Yangtze Normal University, Chongqing 408100 China
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26
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Abstract
AbstractChiral amines have been widely used in pharmaceutical, agrochemical and fine-chemical industries. With water as the only byproduct and requiring no extra reducing reagent, the reaction of alcohols with amines via a ‘hydrogen borrowing’ pathway is a green route to prepare chiral amines. This paper gives a brief summary of progress on asymmetric amination of alcohols to produce chiral amines via the ‘hydrogen borrowing’ strategy.
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27
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Wei D, Netkaew C, Wu J, Darcel C. Iron‐catalyzed hydrosilylation of diacids in the presence of amines: a new route to cyclic amines. ChemCatChem 2020. [DOI: 10.1002/cctc.202000881] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Duo Wei
- Univ Rennes, CNRS, ISCR Institut des Sciences Chimiques de Rennes) UMR 6226 F-35000 Rennes France
| | - Chakkrit Netkaew
- Univ Rennes, CNRS, ISCR Institut des Sciences Chimiques de Rennes) UMR 6226 F-35000 Rennes France
| | - Jiajun Wu
- Univ Rennes, CNRS, ISCR Institut des Sciences Chimiques de Rennes) UMR 6226 F-35000 Rennes France
| | - Christophe Darcel
- Univ Rennes, CNRS, ISCR Institut des Sciences Chimiques de Rennes) UMR 6226 F-35000 Rennes France
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28
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Luo N, Zhong Y, Wen H, Luo R. Cyclometalated Iridium Complex-Catalyzed N-Alkylation of Amines with Alcohols via Borrowing Hydrogen in Aqueous Media. ACS OMEGA 2020; 5:27723-27732. [PMID: 33134736 PMCID: PMC7594325 DOI: 10.1021/acsomega.0c04192] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 09/28/2020] [Indexed: 05/06/2023]
Abstract
This paper develops a methodology for cyclometalated iridium complex-catalyzed N-alkylation of amines with alcohols via borrowing hydrogen in the aqueous phase. The cyclometalated iridium catalyst-mediated N-alkylation of amines with alcohols displays high activity (S/C up to 10,000 and yield up to 96%) and ratio of amine/imine (up to >99:1) in a broad range of substrates (up to 46 examples) using water as the green and eco-friendly solvent. Most importantly, this transformation is simple, efficient, and can be performed at a gram scale, showcasing its potential for industrially synthesizing N-alkylamine compounds.
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29
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Ruiz‐Castañeda M, Rodríguez AM, Aboo AH, Manzano BR, Espino G, Xiao J, Jalón FA. Iridium complexes with a new type of
N
^
N
′‐donor anionic ligand catalyze the
N
‐benzylation of amines via borrowing hydrogen. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.6003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Margarita Ruiz‐Castañeda
- Departamento de Química Inorgánica, Orgánica y Bioquímica, Facultad de Químicas‐IRICA Universidad de Castilla‐La Mancha Avda. Camilo J. Cela 10 Ciudad Real 13071 Spain
| | - Ana M. Rodríguez
- Departamento de Química Inorgánica, Orgánica y Bioquímica, Facultad de Químicas‐IRICA Universidad de Castilla‐La Mancha Avda. Camilo J. Cela 10 Ciudad Real 13071 Spain
| | - Ahmed H. Aboo
- Department of Chemistry University of Liverpool Liverpool L69 7ZD UK
| | - Blanca R. Manzano
- Departamento de Química Inorgánica, Orgánica y Bioquímica, Facultad de Químicas‐IRICA Universidad de Castilla‐La Mancha Avda. Camilo J. Cela 10 Ciudad Real 13071 Spain
| | - Gustavo Espino
- Departamento de Química, Facultad de Ciencias Universidad de Burgos Plaza Misael Bañuelos s/n Burgos 09001 Spain
| | - Jianliang Xiao
- Department of Chemistry University of Liverpool Liverpool L69 7ZD UK
| | - Félix A. Jalón
- Departamento de Química Inorgánica, Orgánica y Bioquímica, Facultad de Químicas‐IRICA Universidad de Castilla‐La Mancha Avda. Camilo J. Cela 10 Ciudad Real 13071 Spain
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30
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Omprakash Rathi J, Subray Shankarling G. Recent Advances in the Protection of Amine Functionality: A Review. ChemistrySelect 2020. [DOI: 10.1002/slct.202000764] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Jyoti Omprakash Rathi
- Department of Dyestuff TechnologyInstitute of Chemical Technology N. P. Marg, Matunga (E) Mumbai 400 019 India
| | - Ganapati Subray Shankarling
- Department of Dyestuff TechnologyInstitute of Chemical Technology N. P. Marg, Matunga (E) Mumbai 400 019 India
- Department of Dyestuff TechnologyInstitute of Chemical Technology N. P. Marg, Matunga (E) Mumbai 400 019 India
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31
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Nalikezhathu A, Cherepakhin V, Williams TJ. Ruthenium Catalyzed Tandem Pictet-Spengler Reaction. Org Lett 2020; 22:4979-4984. [PMID: 32558575 DOI: 10.1021/acs.orglett.0c01485] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
We report a pyridyl-phosphine ruthenium(II) catalyzed tandem alcohol amination/Pictet-Spengler reaction sequence to synthesize tetrahydro-β-carbolines from an alcohol and tryptamine. Our conditions use a Lewis acid cocatalyst, In(OTf)3, that is compatible with typically base catalyzed amination and an acid catalyzed Pictet-Spengler cyclization. This method proceeds well with benzylic alcohols, heterocyclic carbinols, and aliphatic alcohols. We also show how combining this reaction with a subsequent cycloamination enables a direct synthesis of tetracyclic alkaloids like harmicine.
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Affiliation(s)
- Anju Nalikezhathu
- Donald P. and Katherine B. Loker Hydrocarbon Institute and Department of Chemistry, University of Southern California, Los Angeles California 90089-1661, United States
| | - Valeriy Cherepakhin
- Donald P. and Katherine B. Loker Hydrocarbon Institute and Department of Chemistry, University of Southern California, Los Angeles California 90089-1661, United States
| | - Travis J Williams
- Donald P. and Katherine B. Loker Hydrocarbon Institute and Department of Chemistry, University of Southern California, Los Angeles California 90089-1661, United States
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32
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Arora V, Dutta M, Das K, Das B, Srivastava HK, Kumar A. Solvent-Free N-Alkylation and Dehydrogenative Coupling Catalyzed by a Highly Active Pincer-Nickel Complex. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00233] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Vinay Arora
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Moumita Dutta
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Kanu Das
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Babulal Das
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Hemant Kumar Srivastava
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
- National Institute of Pharmaceutical Education and Research Guwahati, Guwahati 781101, Assam, India
| | - Akshai Kumar
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
- Center for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
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33
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Trowbridge A, Walton SM, Gaunt MJ. New Strategies for the Transition-Metal Catalyzed Synthesis of Aliphatic Amines. Chem Rev 2020; 120:2613-2692. [DOI: 10.1021/acs.chemrev.9b00462] [Citation(s) in RCA: 310] [Impact Index Per Article: 77.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Aaron Trowbridge
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Scarlett M. Walton
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
- Oncology
- IMED Biotech Unit, AstraZeneca, Darwin Building, Unit 310, Cambridge Science Park, Milton Road, Cambridge CB4 0WG, United Kingdom
| | - Matthew J. Gaunt
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
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34
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Xu QS, Li C, Xu Y, Xu D, Shen MH, Xu HD. Ruthenium catalyzed amination cyclization of 1,2,4-butanetriol with primary amines: A borrowing hydrogen strategy for 3-pyrrolidinol synthesis. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2019.05.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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35
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Yao W, Ge C, Zhang Y, Xia XF, Wang L, Wang D. Retracted: Synthesis of 2-Arylisoindoline Derivatives Catalyzed by Reusable 1,2,4-Triazole Iridium on Mesoporous Silica through a Cascade Borrowing Hydrogen Strategy. Chemistry 2019; 25:16099-16105. [PMID: 31588599 DOI: 10.1002/chem.201904095] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Indexed: 01/24/2023]
Abstract
Covalent attachment of a 1,2,4-triazole iridium complex to mesoporous MCM-41 generated a heterogeneous catalyst that was found to be effective in the synthesis of 2-aryl isoindolines, quinolines, cyclic amines, and symmetrical secondary amines through a cascade borrowing hydrogen strategy. Interestingly, the supported heterogeneous iridium catalyst prepared from the 1,2,4-triazole iridium complex and mesoporous MCM-41 exhibited high catalytic activity in the preparation of 2-aryl isoindoline derivatives and symmetrical secondary amines. The catalyst system is highly recyclable for at least five times. Besides the important effect of the triazole, iridium sites grafted on siliceous supports can act as multifunctional catalytic centers and thus greatly enhance the catalytic activity of the catalysts. Furthermore, mechanistic experiments revealed that the reaction is initiated by an initial alcohol dehydrogenation and promoted by an iridium hydride intermediate. Importantly, the direct detection of a diagnostic iridium hydride signal confirmed that the synthesis of 2-aryl isoindolines occurs by a borrowing hydrogen process. This work provides an efficient example of isoindolines synthesis through a borrowing hydrogen strategy.
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Affiliation(s)
- Wei Yao
- School of Chemical and Material Engineering, Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, Jiangnan University, Wuxi, 214122, P. R. China
| | - Chenyang Ge
- School of Chemical and Material Engineering, Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, Jiangnan University, Wuxi, 214122, P. R. China
- Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, College of Materials and Chemical Engineering, China Three Gorges University, Yichang, Hubei, 443002, P. R. China
| | - Yilin Zhang
- C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, West, Virginia, 26506, USA
| | - Xiao-Feng Xia
- School of Chemical and Material Engineering, Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, Jiangnan University, Wuxi, 214122, P. R. China
| | - Long Wang
- Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, College of Materials and Chemical Engineering, China Three Gorges University, Yichang, Hubei, 443002, P. R. China
| | - Dawei Wang
- School of Chemical and Material Engineering, Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, Jiangnan University, Wuxi, 214122, P. R. China
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36
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Das K, Nandi PG, Islam K, Srivastava HK, Kumar A. N-Alkylation of Amines Catalyzed by a Ruthenium-Pincer Complex in the Presence of in situ Generated Sodium Alkoxide. European J Org Chem 2019. [DOI: 10.1002/ejoc.201901310] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Kanu Das
- Department of Chemistry; Indian Institute of Technology Guwahati; Guwahati - 781039 Assam India
| | - Pran Gobinda Nandi
- Department of Chemistry; Indian Institute of Technology Guwahati; Guwahati - 781039 Assam India
| | - Khadimul Islam
- Department of Chemistry; Indian Institute of Technology Guwahati; Guwahati - 781039 Assam India
| | - Hemant Kumar Srivastava
- Department of Chemistry; Indian Institute of Technology Guwahati; Guwahati - 781039 Assam India
| | - Akshai Kumar
- Department of Chemistry; Indian Institute of Technology Guwahati; Guwahati - 781039 Assam India
- Centre for Nanotechnology; Indian Institute of Technology Guwahati; Guwahati - 781039 Assam India
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37
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Hopkins MD, Abebe FA, Scott KA, Ozmer GL, Sheir AA, Schroeder LJ, Sheaff RJ, Lamar AA. Synthesis and identification of heteroaromatic N-benzyl sulfonamides as potential anticancer agents. Org Biomol Chem 2019; 17:8391-8402. [PMID: 31469373 DOI: 10.1039/c9ob01694e] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Sulfonamides are a crucial class of bioisosteres that are prevalent in a wide range of pharmaceuticals, however, the available methods for their production directly from heteroaryl aldehyde reagents remains surprisingly limited. A new approach for regioselective incorporation of a sulfonamide unit to heteroarene scaffolds has been developed and is reported within. As a result, a variety of primary benzylic N-alkylsulfonamides have been prepared via a two-step (one pot) formation from the in situ reduction of an intermediate N-sulfonyl imine under mild, practical conditions. The compounds have been screened against a variety of cell lines for cytotoxicity effects using a Cell Titer Blue assay. The cell viability investigation identifies a subset of N-benzylic sulfonamides derived from the indole scaffold to be targeted for further development into novel molecules with potential therapeutic value. The most cytotoxic of the compounds prepared, AAL-030, exhibited higher potency than other well-known anticancer agents Indisulam and ABT-751.
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Affiliation(s)
- Megan D Hopkins
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, Tulsa, Oklahoma 74104, USA.
| | - Felagot A Abebe
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, Tulsa, Oklahoma 74104, USA.
| | - Kristina A Scott
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, Tulsa, Oklahoma 74104, USA.
| | - Garett L Ozmer
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, Tulsa, Oklahoma 74104, USA.
| | - Alec A Sheir
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, Tulsa, Oklahoma 74104, USA.
| | - Lucas J Schroeder
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, Tulsa, Oklahoma 74104, USA.
| | - Robert J Sheaff
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, Tulsa, Oklahoma 74104, USA.
| | - Angus A Lamar
- Department of Chemistry and Biochemistry, The University of Tulsa, 800 South Tucker Drive, Tulsa, Oklahoma 74104, USA.
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38
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Ma W, Zhang X, Fan J, Liu Y, Tang W, Xue D, Li C, Xiao J, Wang C. Iron-Catalyzed Anti-Markovnikov Hydroamination and Hydroamidation of Allylic Alcohols. J Am Chem Soc 2019; 141:13506-13515. [DOI: 10.1021/jacs.9b05221] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Wei Ma
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an, 710062, China
| | - Xiaohui Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an, 710062, China
| | - Juan Fan
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an, 710062, China
| | - Yuxuan Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an, 710062, China
| | - Weijun Tang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an, 710062, China
| | - Dong Xue
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an, 710062, China
| | - Chaoqun Li
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an, 710062, China
| | - Jianliang Xiao
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an, 710062, China
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, U.K
| | - Chao Wang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an, 710062, China
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39
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Xiao M, Yue X, Xu R, Tang W, Xue D, Li C, Lei M, Xiao J, Wang C. Transition‐Metal‐Free Hydrogen Autotransfer: Diastereoselective N‐Alkylation of Amines with Racemic Alcohols. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201905870] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Miao Xiao
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of EducationSchool of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710062 China
| | - Xin Yue
- State Key Laboratory of Chemical Resource EngineeringInstitute of Computational ChemistryCollege of ChemistryBeijing University of Chemical Technology Beijing 100029 China
| | - Ruirui Xu
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of EducationSchool of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710062 China
| | - Weijun Tang
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of EducationSchool of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710062 China
| | - Dong Xue
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of EducationSchool of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710062 China
| | - Chaoqun Li
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of EducationSchool of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710062 China
| | - Ming Lei
- State Key Laboratory of Chemical Resource EngineeringInstitute of Computational ChemistryCollege of ChemistryBeijing University of Chemical Technology Beijing 100029 China
| | - Jianliang Xiao
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of EducationSchool of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710062 China
- Department of ChemistryUniversity of Liverpool Liverpool L69 7ZD UK
| | - Chao Wang
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of EducationSchool of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710062 China
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40
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Xiao M, Yue X, Xu R, Tang W, Xue D, Li C, Lei M, Xiao J, Wang C. Transition-Metal-Free Hydrogen Autotransfer: Diastereoselective N-Alkylation of Amines with Racemic Alcohols. Angew Chem Int Ed Engl 2019; 58:10528-10536. [PMID: 31162782 DOI: 10.1002/anie.201905870] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2019] [Revised: 06/04/2019] [Indexed: 02/06/2023]
Abstract
A practical method for the synthesis of α-chiral amines by alkylation of amines with alcohols in the absence of any transition-metal catalysts has been developed. Under the co-catalysis of a ketone and NaOH, racemic secondary alcohols reacted with Ellman's chiral tert-butanesulfinamide by a hydrogen autotransfer process to afford chiral amines with high diastereoselectivities (up to >99:1). Broad substrate scope and up to a 10 gram scale production of chiral amines were demonstrated. The method was applied to the synthesis of chiral deuterium-labelled amines with high deuterium incorporation and optical purity, including examples of chiral deuterated drugs. The configuration of amine products is found to be determined solely by the configuration of the chiral tert-butanesulfinamide regardless of that of alcohols, and this is corroborated by DFT calculations. Further mechanistic studies showed that the reaction is initiated by the ketone catalyst and involves a transition state similar to that proposed for the Meerwein-Ponndorf-Verley (MPV) reduction, and importantly, it is the interaction of the sodium cation of the base with both the nitrogen and oxygen atoms of the sulfinamide moiety that makes feasible, and determines the diastereoselectivity of, the reaction.
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Affiliation(s)
- Miao Xiao
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062, China
| | - Xin Yue
- State Key Laboratory of Chemical Resource Engineering, Institute of Computational Chemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Ruirui Xu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062, China
| | - Weijun Tang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062, China
| | - Dong Xue
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062, China
| | - Chaoqun Li
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062, China
| | - Ming Lei
- State Key Laboratory of Chemical Resource Engineering, Institute of Computational Chemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Jianliang Xiao
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062, China.,Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, UK
| | - Chao Wang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710062, China
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41
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Alshakova ID, Nikonov GI. Selective Synthesis of Secondary and Tertiary Amines by Reductive
N‐
Alkylation of Nitriles and
N‐
Alkylation of Amines and Ammonium Formate Catalyzed by Ruthenium Complex. ChemCatChem 2019. [DOI: 10.1002/cctc.201900561] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Iryna D. Alshakova
- Chemistry DepartmentBrock University 1812 Sir Isaac Brock Way, St. Catharines Niagara Region L2 S 3 A1 Ontario Canada
| | - Georgii I. Nikonov
- Chemistry DepartmentBrock University 1812 Sir Isaac Brock Way, St. Catharines Niagara Region L2 S 3 A1 Ontario Canada
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42
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Deng D, Hu B, Zhang Z, Mo S, Yang M, Chen D. Alkylation of Aromatic Amines with Trialkyl Amines Catalyzed by a Defined Iridium Complex with a 2-Hydroxypyridylmethylene Fragment. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00172] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Danfeng Deng
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemical Engineering & Technology, Harbin Institute of Technology, Harbin 150001, PR China
| | - Bowen Hu
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemical Engineering & Technology, Harbin Institute of Technology, Harbin 150001, PR China
| | - Ziyu Zhang
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemical Engineering & Technology, Harbin Institute of Technology, Harbin 150001, PR China
| | - Shengkai Mo
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemical Engineering & Technology, Harbin Institute of Technology, Harbin 150001, PR China
| | - Min Yang
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemical Engineering & Technology, Harbin Institute of Technology, Harbin 150001, PR China
| | - Dafa Chen
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemical Engineering & Technology, Harbin Institute of Technology, Harbin 150001, PR China
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43
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Azizi K, Akrami S, Madsen R. Manganese(III) Porphyrin‐Catalyzed Dehydrogenation of Alcohols to form Imines, Tertiary Amines and Quinolines. Chemistry 2019; 25:6439-6446. [DOI: 10.1002/chem.201900737] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2019] [Revised: 03/14/2019] [Indexed: 12/23/2022]
Affiliation(s)
- Kobra Azizi
- Department of ChemistryTechnical University of Denmark 2800 Kgs. Lyngby Denmark
| | - Sedigheh Akrami
- Department of ChemistryTechnical University of Denmark 2800 Kgs. Lyngby Denmark
| | - Robert Madsen
- Department of ChemistryTechnical University of Denmark 2800 Kgs. Lyngby Denmark
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44
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Sorribes I, Corma A. Nanolayered cobalt-molybdenum sulphides (Co-Mo-S) catalyse borrowing hydrogen C-S bond formation reactions of thiols or H 2S with alcohols. Chem Sci 2019; 10:3130-3142. [PMID: 30996896 PMCID: PMC6429612 DOI: 10.1039/c8sc05782f] [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: 12/27/2018] [Accepted: 01/20/2019] [Indexed: 12/23/2022] Open
Abstract
Nanolayered cobalt-molybdenum sulphide (Co-Mo-S) materials have been established as excellent catalysts for C-S bond construction. These catalysts allow for the preparation of a broad range of thioethers in good to excellent yields from structurally diverse thiols and readily available primary as well as secondary alcohols. Chemoselectivity in the presence of sensitive groups such as double bonds, nitriles, carboxylic esters and halogens has been demonstrated. It is also shown that the reaction takes place through a hydrogen-autotransfer (borrowing hydrogen) mechanism that involves Co-Mo-S-mediated dehydrogenation and hydrogenation reactions. A novel catalytic protocol based on the thioetherification of alcohols with hydrogen sulphide (H2S) to furnish symmetrical thioethers has also been developed using these earth-abundant metal-based sulphide catalysts.
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Affiliation(s)
- Iván Sorribes
- Instituto de Tecnología Química , Universitat Politecnica de València-Consejo Superior de Investigaciones Científicas , Avenida Los Naranjos s/n , 46022 Valencia , Spain .
| | - Avelino Corma
- Instituto de Tecnología Química , Universitat Politecnica de València-Consejo Superior de Investigaciones Científicas , Avenida Los Naranjos s/n , 46022 Valencia , Spain .
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45
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Jiang B, Ma S, Wang M, Liu D, Xu B, Zhang S. Cobalt‐Catalyzed Chemoselective Transfer Hydrogenation of C=C and C=O Bonds with Alkanols. ChemCatChem 2019. [DOI: 10.1002/cctc.201900010] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Biao‐Lin Jiang
- School of Chemistry and Chemical EngineeringShanxi University Taiyuan 030006 Shanxi P. R. China
- On leave to Institution of Process Engineering
| | - Shuang‐Shuang Ma
- Beijing Key Laboratory of Ionic Liquids Clean Process Key Laboratory of Green Process and Engineering State Key Laboratory of Multiphase Complex Systems Institution of Process EngineeringChinese Academy of Sciences Beijing 100190 P. R. China
- College of Chemistry and Chemical EngineeringUniversity of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Meng‐Liang Wang
- School of Chemistry and Chemical EngineeringShanxi University Taiyuan 030006 Shanxi P. R. China
| | - Dian‐Sheng Liu
- School of Chemistry and Chemical EngineeringShanxi University Taiyuan 030006 Shanxi P. R. China
| | - Bao‐Hua Xu
- Beijing Key Laboratory of Ionic Liquids Clean Process Key Laboratory of Green Process and Engineering State Key Laboratory of Multiphase Complex Systems Institution of Process EngineeringChinese Academy of Sciences Beijing 100190 P. R. China
- College of Chemistry and Chemical EngineeringUniversity of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Suo‐Jiang Zhang
- Beijing Key Laboratory of Ionic Liquids Clean Process Key Laboratory of Green Process and Engineering State Key Laboratory of Multiphase Complex Systems Institution of Process EngineeringChinese Academy of Sciences Beijing 100190 P. R. China
- College of Chemistry and Chemical EngineeringUniversity of Chinese Academy of Sciences Beijing 100049 P. R. China
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46
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Switchable Access to Amines and Imines from Reductive Coupling of Nitroarenes with Alcohols Catalyzed by Biomass-Derived Cobalt Nanoparticles. Catalysts 2019. [DOI: 10.3390/catal9020116] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Cobalt nanoparticles modified with N-doped hierarchical porous carbon derived from biomass are found to be a highly efficient, reusable heterogeneous catalyst for the coupling of nitroarenes with alcohols, selectively affording imines and amines via the borrowing hydrogen strategy for the first time. The product selectivity between imine and amine may be precisely tuned by simple alteration of the reaction conditions without changing the catalyst in one reaction system. In this study, a broad set of complex imines and amines was successfully synthesized in good to high yields with various functional groups tolerated for both nitroarenes and alcohols, highlighting the potentially practical utility of the protocol. This heterogeneous catalyst can be easily removed from the reaction medium by external magnet and can be reused at least four times without significant loss in activity and selectivity.
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47
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Wang LM, Kobayashi K, Arisawa M, Saito S, Naka H. Pd/TiO 2-Photocatalyzed Self-Condensation of Primary Amines To Afford Secondary Amines at Ambient Temperature. Org Lett 2019; 21:341-344. [PMID: 30460855 DOI: 10.1021/acs.orglett.8b03271] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Symmetric secondary amines were synthesized by the self-condensation of primary amines over a palladium-loaded titanium dioxide (Pd/TiO2) photocatalyst. The reactions afforded a series of secondary amines in moderate to excellent isolated yields at ambient temperature (30 °C, in cyclopentyl methyl ether). Applicability for one-pot pharmaceutical synthesis was demonstrated by a photocatalytic reaction sequence of self-condensation of an amine followed by N-alkylation of the resulting secondary amine with an alcohol.
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Affiliation(s)
- Lyu-Ming Wang
- Graduate School of Science , Nagoya University , Chikusa, Nagoya 464-8602 , Japan
| | - Kensuke Kobayashi
- Graduate School of Science , Nagoya University , Chikusa, Nagoya 464-8602 , Japan
| | - Mitsuhiro Arisawa
- Graduate School of Pharmaceutical Sciences , Osaka University , Yamada-oka 1-6 , Suita, Osaka 565-0871 , Japan
| | - Susumu Saito
- Graduate School of Science , Nagoya University , Chikusa, Nagoya 464-8602 , Japan
| | - Hiroshi Naka
- Research Center for Materials Science , Nagoya University , Chikusa, Nagoya 464-8602 , Japan
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48
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Ai Y, Liu P, Liang R, Liu Y, Li F. The N-alkylation of sulfonamides with alcohols in water catalyzed by a water-soluble metal–ligand bifunctional iridium complex [Cp*Ir(biimH2)(H2O)][OTf]2. NEW J CHEM 2019. [DOI: 10.1039/c9nj02542a] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A water-soluble dinuclear Cp*Ir complex bearing 4,4′,6,6′-tetrahydroxy-2,2′-bipyrimidine as a bridging ligand was found to be a highly effective catalyst for the N-alkylation of ketones with alcohols in water.
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Affiliation(s)
- Yao Ai
- School of Chemical Engineering
- Nanjing University of Science & Technology
- Nanjing 210094
- P. R. China
| | - Pengcheng Liu
- School of Chemical Engineering
- Nanjing University of Science & Technology
- Nanjing 210094
- P. R. China
| | - Ran Liang
- School of Chemical Engineering
- Nanjing University of Science & Technology
- Nanjing 210094
- P. R. China
| | - Yan Liu
- School of Chemical Engineering
- Nanjing University of Science & Technology
- Nanjing 210094
- P. R. China
| | - Feng Li
- School of Chemical Engineering
- Nanjing University of Science & Technology
- Nanjing 210094
- P. R. China
- State Key Laboratory of Fine Chemicals
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49
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Huang M, Li Y, Li Y, Liu J, Shu S, Liu Y, Ke Z. Room temperature N-heterocyclic carbene manganese catalyzed selective N-alkylation of anilines with alcohols. Chem Commun (Camb) 2019; 55:6213-6216. [DOI: 10.1039/c9cc02989c] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
The first example of room temperature homogeneous non-noble metal catalyzed selective N-alkylation of anilines with alcohols using bis-NHC manganese.
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Affiliation(s)
- Ming Huang
- School of Materials Science and Engineering
- PCFM Lab
- Sun Yat-sen University
- Guangzhou 510275
- P. R. China
| | - Yukui Li
- School of Materials Science and Engineering
- PCFM Lab
- Sun Yat-sen University
- Guangzhou 510275
- P. R. China
| | - Yinwu Li
- School of Materials Science and Engineering
- PCFM Lab
- Sun Yat-sen University
- Guangzhou 510275
- P. R. China
| | - Jiahao Liu
- School of Materials Science and Engineering
- PCFM Lab
- Sun Yat-sen University
- Guangzhou 510275
- P. R. China
| | - Siwei Shu
- School of Chemical Engineering and Light Industry
- Guangdong University of Technology
- Guangzhou 510006
- P. R. China
| | - Yan Liu
- School of Chemical Engineering and Light Industry
- Guangdong University of Technology
- Guangzhou 510006
- P. R. China
| | - Zhuofeng Ke
- School of Materials Science and Engineering
- PCFM Lab
- Sun Yat-sen University
- Guangzhou 510275
- P. R. China
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50
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Yang P, Zhang C, Gao WC, Ma Y, Wang X, Zhang L, Yue J, Tang B. Nickel-catalyzed borrowing hydrogen annulations: access to diversified N-heterocycles. Chem Commun (Camb) 2019; 55:7844-7847. [DOI: 10.1039/c9cc03975a] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
An efficient nickel-catalyzed synthesis of diversified N-heterocycles via atom-economic borrowing hydrogen annulations of easily available alcohols and amines.
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Affiliation(s)
- Peng Yang
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Key Laboratory of Molecular and Nano Probes, Ministry of Education
- Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals
| | - Caili Zhang
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Key Laboratory of Molecular and Nano Probes, Ministry of Education
- Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals
| | - Wen-Chao Gao
- College of Biomedical Engineering
- Taiyuan University of Technology
- Taiyuan 030024
- P. R. China
| | - Yu Ma
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Key Laboratory of Molecular and Nano Probes, Ministry of Education
- Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals
| | - Xiuhua Wang
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Key Laboratory of Molecular and Nano Probes, Ministry of Education
- Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals
| | - Li Zhang
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Key Laboratory of Molecular and Nano Probes, Ministry of Education
- Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals
| | - Jieyu Yue
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Key Laboratory of Molecular and Nano Probes, Ministry of Education
- Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals
| | - Bo Tang
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Key Laboratory of Molecular and Nano Probes, Ministry of Education
- Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals
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