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Zhang Y, Jiang Y, Nafady A, Tang Z, Al-Enizi AM, Tan K, Ma S. Incorporation of Chiral Frustrated Lewis Pair into Metal-Organic Framework with Tailored Microenvironment for Heterogeneous Enantio- and Chemoselective Hydrogenation. ACS CENTRAL SCIENCE 2023; 9:1692-1701. [PMID: 37637733 PMCID: PMC10451035 DOI: 10.1021/acscentsci.3c00637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Indexed: 08/29/2023]
Abstract
The development of efficient heterogeneous catalysts with multiselectivity (e.g., enantio- and chemoselectivity) has long been sought after but with limited progress being made so far. To achieve enantio- and chemoselectivity in a heterogeneous system, as inspired by enzymes, we illustrate herein an approach of creating an enzyme-mimic region (EMR) within the nanospace of a metal-organic framework (MOF) as exemplified in the context of incorporating a chiral frustrated Lewis pair (CFLP) into a MOF with a tailored pore environment. Due to the high density of the EMR featuring the active site of CFLP and auxiliary sites of the hydroxyl group/open metal site within the vicinity of CFLP, the resultant EMR@MOF demonstrated excellent catalysis performance in heterogeneous hydrogenation of α,β-unsaturated imines to afford chiral β-unsaturated amines with high yields and high enantio- and chemoselectivity. The role of the hydroxyl group/open metal site in regulating chemoselectivity was proved by the observation of a catalyst-substrate interaction experimentally, which was also rationalized by computational results. This work not only contributes a MOF as a new platform for multiselective catalysis but also opens a promising avenue to develop heterogeneous catalysts with multiselectivity for challenging yet important transformations.
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Affiliation(s)
- Yin Zhang
- Department
of Chemistry, University of North Texas, Denton, Texas 76201, United States
| | - Yao Jiang
- School
of Chemistry and Chemical Engineering, Hefei
University of Technology, Hefei 230009, People’s Republic of China
| | - Ayman Nafady
- Department
of Chemistry, College of Science, King Saud
University, Riyadh 11451, Saudi Arabia
| | - Zhiyong Tang
- National
Center for Nanoscience and Nanotechnology, No. 11 ZhongGuanCun BeiYiTiao, 100190 Beijing, People’s Republic of China
| | - Abdullah M. Al-Enizi
- Department
of Chemistry, College of Science, King Saud
University, Riyadh 11451, Saudi Arabia
| | - Kui Tan
- Department
of Chemistry, University of North Texas, Denton, Texas 76201, United States
| | - Shengqian Ma
- Department
of Chemistry, University of North Texas, Denton, Texas 76201, United States
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2
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Rathod VD, Paganelli S, Kočevar M, Krivec M, Piccolo O. Improved Process for the Synthesis of 3-(3-Trifluoromethylphenyl)propanal for More Sustainable Production of Cinacalcet HCl. Molecules 2023; 28:6042. [PMID: 37630295 PMCID: PMC10458415 DOI: 10.3390/molecules28166042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/08/2023] [Accepted: 08/09/2023] [Indexed: 08/27/2023] Open
Abstract
Cinacalcet (I), sold as hydrochloride salt, is a calcimimetic drug which has been approved for the treatment of secondary hyperparathyroidism in patients with chronic renal disease and for the treatment of hypercalcemia in patients with parathyroid carcinoma. Here, an improved method for the synthesis of 3-(3-trifluoromethylphenyl)propanal (II), a key intermediate for the preparation of I, is described. The protocol required a Mizoroki-Heck cross-coupling reaction between 1-bromo-3-(trifluoromethyl)benzene and acroleine diethyl acetal, catalyzed by Pd(OAc)2 in the presence of nBu4NOAc (tetrabutylammonium acetate), followed by the hydrogenation reaction of the crude mixture of products in a cascade process. Palladium species, at the end of the reaction, were efficiently recovered as Pd/Al2O3. The procedure was developed under conventional heating conditions as well as under microwave-assisted conditions. The obtained mixture of 1-(3,3-diethoxypropyl)-3-(trifluoromethyl)benzene (III), impure for ethyl 3-(3-trifluoromethylphenyl) propanoate (IV), was finally treated, under mild conditions, with potassium diisobutyl-tert-butoxyaluminum hydride (PDBBA) to obtain after hydrolysis 3-(3-trifluoromethylphenyl)propanal (II), in an excellent overall yield and very high purity. Microwave conditions permitted a reduction in reaction times without affecting selectivity and yield. The final API was obtained through reductive amination of (II) with (R)-(+)-1-(1-naphthyl)ethylamine (V) using a catalyst prepared by us with a very low content of precious metal.
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Affiliation(s)
- Vikas Damu Rathod
- Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca’ Foscari Venezia, Via Torino 155, 30170 Venezia Mestre, Italy; (V.D.R.); (S.P.)
| | - Stefano Paganelli
- Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca’ Foscari Venezia, Via Torino 155, 30170 Venezia Mestre, Italy; (V.D.R.); (S.P.)
| | - Marijan Kočevar
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia; (M.K.); (M.K.)
| | - Marko Krivec
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, SI-1000 Ljubljana, Slovenia; (M.K.); (M.K.)
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3
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Spieß P, Sirvent A, Tiefenbrunner I, Sargueil J, Fernandes AJ, Arroyo‐Bondía A, Meyrelles R, Just D, Prado‐Roller A, Shaaban S, Kaiser D, Maulide N. Nms-Amides: An Amine Protecting Group with Unique Stability and Selectivity. Chemistry 2023; 29:e202301312. [PMID: 37283481 PMCID: PMC10946766 DOI: 10.1002/chem.202301312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Indexed: 06/08/2023]
Abstract
p-Toluenesulfonyl (Tosyl) and nitrobenzenesulfonyl (Nosyl) are two of the most common sulfonyl protecting groups for amines in contemporary organic synthesis. While p-toluenesulfonamides are known for their high stability/robustness, their use in multistep synthesis is plagued by difficult removal. Nitrobenzenesulfonamides, on the other hand, are easily cleaved but display limited stability to various reaction conditions. In an effort to resolve this predicament, we herein present a new sulfonamide protecting group, which we term Nms. Initially developed through in silico studies, Nms-amides overcome these previous limitations and leave no room for compromise. We have investigated the incorporation, robustness and cleavability of this group and found it to be superior to traditional sulfonamide protecting groups in a broad range of case studies.
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Affiliation(s)
- Philipp Spieß
- Institute of Organic ChemistryUniversity of ViennaWähringer Straße 381090ViennaAustria
- Vienna Doctoral School in ChemistryUniversity of ViennaWähringer Straße 421090ViennaAustria
| | - Ana Sirvent
- Institute of Organic ChemistryUniversity of ViennaWähringer Straße 381090ViennaAustria
- Christian-Doppler Laboratory for Entropy-Oriented Drug DesignUniversity of ViennaJosef-Holaubek-Platz 21090ViennaAustria
| | - Irmgard Tiefenbrunner
- Institute of Organic ChemistryUniversity of ViennaWähringer Straße 381090ViennaAustria
| | - Jules Sargueil
- Institute of Organic ChemistryUniversity of ViennaWähringer Straße 381090ViennaAustria
| | - Anthony J. Fernandes
- Institute of Organic ChemistryUniversity of ViennaWähringer Straße 381090ViennaAustria
- Christian-Doppler Laboratory for Entropy-Oriented Drug DesignUniversity of ViennaJosef-Holaubek-Platz 21090ViennaAustria
| | - Ana Arroyo‐Bondía
- Institute of Organic ChemistryUniversity of ViennaWähringer Straße 381090ViennaAustria
| | - Ricardo Meyrelles
- Institute of Organic ChemistryUniversity of ViennaWähringer Straße 381090ViennaAustria
- Vienna Doctoral School in ChemistryUniversity of ViennaWähringer Straße 421090ViennaAustria
| | - David Just
- Institute of Organic ChemistryUniversity of ViennaWähringer Straße 381090ViennaAustria
| | | | - Saad Shaaban
- Institute of Organic ChemistryUniversity of ViennaWähringer Straße 381090ViennaAustria
| | - Daniel Kaiser
- Institute of Organic ChemistryUniversity of ViennaWähringer Straße 381090ViennaAustria
| | - Nuno Maulide
- Institute of Organic ChemistryUniversity of ViennaWähringer Straße 381090ViennaAustria
- Christian-Doppler Laboratory for Entropy-Oriented Drug DesignUniversity of ViennaJosef-Holaubek-Platz 21090ViennaAustria
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4
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Kawada T, Yabushita K, Yasuda T, Ohta T, Yajima T, Tanaka K, Utsumi N, Watanabe M, Murata K, Kayaki Y, Kuwata S, Katayama T. Asymmetric Transfer Hydrogenative Amination of Benzylic Ketones Catalyzed by Cp*Ir(III) Complexes Bearing a Chiral N-(2-Picolyl)sulfonamidato Ligand. J Org Chem 2022; 87:8458-8468. [PMID: 35686909 DOI: 10.1021/acs.joc.2c00580] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A convenient asymmetric reductive amination of benzylic ketones (α-arylated ketones) catalyzed by newly designed Cp*Ir complexes bearing a chiral N-(2-picolyl)sulfonamidato ligand was developed. Using readily available β-amino alcohols as chiral aminating agents, a range of benzo-fused and acyclic ketones were successfully reduced with formic acid in methanol at 40 °C to afford amines with favorable chemo- and diastereoselectivities. The amino alcohol-derived chiral auxiliary was easily removed by mild periodic oxidants, leading to optically active primary β-arylamines without erosion of the optical purity (up to 97% ee). The excellent catalytic performance was retained even upon lowering the amount of catalyst to a substrate/catalyst (S/C) ratio of 20,000, and the amination could be performed on a large scale exceeding 100 g. The precise hydride transfer to iminium species generated from the ketonic substrate and the chiral amine counterpart was suggested by the mechanistic studies on stoichiometric reactions of isolable hydridoiridium complexes and model intermediates such as N,O-acetal, enamine, and iminium compounds.
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Affiliation(s)
- Takuma Kawada
- Central Research Laboratory, Technology & Department Division, Kanto Chemical Co., Inc., 7-1, Inari 1-chome, Soka, Saitama 340-0003, Japan
| | - Kenya Yabushita
- Central Research Laboratory, Technology & Department Division, Kanto Chemical Co., Inc., 7-1, Inari 1-chome, Soka, Saitama 340-0003, Japan
| | - Toshihisa Yasuda
- Central Research Laboratory, Technology & Department Division, Kanto Chemical Co., Inc., 7-1, Inari 1-chome, Soka, Saitama 340-0003, Japan
| | - Takeshi Ohta
- Central Research Laboratory, Technology & Department Division, Kanto Chemical Co., Inc., 7-1, Inari 1-chome, Soka, Saitama 340-0003, Japan
| | - Takaaki Yajima
- Central Research Laboratory, Technology & Department Division, Kanto Chemical Co., Inc., 7-1, Inari 1-chome, Soka, Saitama 340-0003, Japan
| | - Kouichi Tanaka
- Central Research Laboratory, Technology & Department Division, Kanto Chemical Co., Inc., 7-1, Inari 1-chome, Soka, Saitama 340-0003, Japan
| | - Noriyuki Utsumi
- Central Research Laboratory, Technology & Department Division, Kanto Chemical Co., Inc., 7-1, Inari 1-chome, Soka, Saitama 340-0003, Japan
| | - Masahito Watanabe
- Central Research Laboratory, Technology & Department Division, Kanto Chemical Co., Inc., 7-1, Inari 1-chome, Soka, Saitama 340-0003, Japan
| | - Kunihiko Murata
- Central Research Laboratory, Technology & Department Division, Kanto Chemical Co., Inc., 7-1, Inari 1-chome, Soka, Saitama 340-0003, Japan
| | - Yoshihito Kayaki
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1-E4-1 O-okayama, Meguro-ku, Tokyo 152-8552, Japan
| | - Shigeki Kuwata
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1-E4-1 O-okayama, Meguro-ku, Tokyo 152-8552, Japan
| | - Takeaki Katayama
- Central Research Laboratory, Technology & Department Division, Kanto Chemical Co., Inc., 7-1, Inari 1-chome, Soka, Saitama 340-0003, Japan
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5
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Zhao J, Liu S, Liu S, Ding W, Liu S, Chen Y, Du P. A Theoretical Study on the Borane-Catalyzed Reductive Amination of Aniline and Benzaldehyde with Dihydrogen: The Origins of Chemoselectivity. J Org Chem 2022; 87:1194-1207. [PMID: 35016504 DOI: 10.1021/acs.joc.1c02491] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Density functional theory calculations are used in this study to investigate the product selectivity and mechanism of borane-catalyzed reductive aldehyde amination by a H2 reducing agent. Knowing that different boranes yield different products, two typical boranes, (B(2,6-Cl2C6H3)(p-HC6F4)2 and B(C6F5)3), are studied. Of the seven possible pathways of B(2,6-Cl2C6H3)(p-HC6F4)2-catalyzed aldehyde amination analyzed herein, four are favorable. Three of the four favorable pathways involve imine intermediates, and the fourth is a Lewis acid-base synergistic pathway that involves amine-alcohol condensation. As for the B(C6F5)3 catalyst, it forms a highly stable Lewis adduct with aniline, which impedes the hydrogenation of imine. Therefore, the product of B(C6F5)3-catalyzed reductive amination of benzaldehyde and aniline is an imine. The linear relationship between the charge on the boron atom in the Lewis acid and the relative energies of the Lewis adduct and H2 splitting transition state indicates that this parameter determines product selectivity. Indeed, when the natural charge on boron is larger than 1, an amine is produced, whereas when the charge is less than 1, an imine is produced. Hence, the selectivity of products can be controlled by adjusting the natural charge of the boron atom in the Lewis acid catalyst.
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Affiliation(s)
- Jiyang Zhao
- School of Environmental Science, Nanjing Xiaozhuang University, Nanjing, Jiangsu 211171, China
| | - Shaoxian Liu
- School of Environmental Science, Nanjing Xiaozhuang University, Nanjing, Jiangsu 211171, China
| | - Shanshan Liu
- School of Environmental Science, Nanjing Xiaozhuang University, Nanjing, Jiangsu 211171, China
| | - Wenwen Ding
- School of Environmental Science, Nanjing Xiaozhuang University, Nanjing, Jiangsu 211171, China
| | - Sijia Liu
- School of Environmental Science, Nanjing Xiaozhuang University, Nanjing, Jiangsu 211171, China
| | - Yao Chen
- School of Life Science and Chemistry, Jiangsu Second Normal University, Nanjing, Jiangsu 210013, China
| | - Pan Du
- School of Life Science and Chemistry, Jiangsu Second Normal University, Nanjing, Jiangsu 210013, China
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6
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Zou Q, Liu F, Zhao T, Hu X. Reductive amination of ketones/aldehydes with amines using BH 3N(C 2H 5) 3 as a reductant. Chem Commun (Camb) 2021; 57:8588-8591. [PMID: 34357367 DOI: 10.1039/d1cc02618f] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Herein, we report the first example of efficient reductive amination of ketones/aldehydes with amines using BH3N(C2H5)3 as a catalyst and a reductant under mild conditions, affording various tertiary and secondary amines in excellent yields. A mechanistic study indicates that BH3N(C2H5)3 plays a dual function role of promoting imine and iminium formation and serving as a reductant in reductive amination.
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Affiliation(s)
- Qizhuang Zou
- Key Laboratory of Green Chemical and Clean Energy Technology, School of Chemistry and Chemical Engineering, Guizhou University, Guiyang 550025, P. R. China.
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7
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Lau S, Gasperini D, Webster RL. Amine-Boranes as Transfer Hydrogenation and Hydrogenation Reagents: A Mechanistic Perspective. Angew Chem Int Ed Engl 2021; 60:14272-14294. [PMID: 32935898 PMCID: PMC8248159 DOI: 10.1002/anie.202010835] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Indexed: 11/10/2022]
Abstract
Transfer hydrogenation (TH) has historically been dominated by Meerwein-Ponndorf-Verley (MPV) reactions. However, with growing interest in amine-boranes, not least ammonia-borane (H3 N⋅BH3 ), as potential hydrogen storage materials, these compounds have also started to emerge as an alternative reagent in TH reactions. In this Review we discuss TH chemistry using H3 N⋅BH3 and their analogues (amine-boranes and metal amidoboranes) as sacrificial hydrogen donors. Three distinct pathways were considered: 1) classical TH, 2) nonclassical TH, and 3) hydrogenation. Simple experimental mechanistic probes can be employed to distinguish which pathway is operating and computational analysis can corroborate or discount mechanisms. We find that the pathway in operation can be perturbed by changing the temperature, solvent, amine-borane, or even the substrate used in the system, and subsequently assignment of the mechanism can become nontrivial.
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Affiliation(s)
- Samantha Lau
- Department of ChemistryUniversity of BathClaverton DownBathUK
| | | | - Ruth L. Webster
- Department of ChemistryUniversity of BathClaverton DownBathUK
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8
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Lau S, Gasperini D, Webster RL. Amine–Boranes as Transfer Hydrogenation and Hydrogenation Reagents: A Mechanistic Perspective. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202010835] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Samantha Lau
- Department of Chemistry University of Bath Claverton Down Bath UK
| | - Danila Gasperini
- Department of Chemistry University of Bath Claverton Down Bath UK
| | - Ruth L. Webster
- Department of Chemistry University of Bath Claverton Down Bath UK
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9
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Kumar G, Roy S, Chatterjee I. Tris(pentafluorophenyl)borane catalyzed C-C and C-heteroatom bond formation. Org Biomol Chem 2021; 19:1230-1267. [PMID: 33481983 DOI: 10.1039/d0ob02478c] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
A series of boron based Lewis acids have been reported to date, but among them, tris(pentafluorophenyl)borane (BCF) has gained the most significant attention in the synthetic chemistry community. The viability of BCF as a potential Lewis acid catalyst has been vastly explored in organic and materials chemistry due to its thermal stability and commercial availability. Most explorations of BCF chemistry in organic synthesis has occurred in the last two decades and many new catalytic reactivities are currently under investigation. This review mainly focuses on recent reports from 2018 onwards and provides a concise knowledge to the readers about the role of BCF in metal-free catalysis. The review has mainly been categorized by different types of organic transformation mediated through BCF catalysis for the C-C and C-heteroatom bond formation.
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Affiliation(s)
- Gautam Kumar
- Department of Chemistry, Indian Institute of Technology Ropar, Nangal Road, Rupnagar, Punjab-140001, India.
| | - Sourav Roy
- Department of Chemistry, Indian Institute of Technology Ropar, Nangal Road, Rupnagar, Punjab-140001, India.
| | - Indranil Chatterjee
- Department of Chemistry, Indian Institute of Technology Ropar, Nangal Road, Rupnagar, Punjab-140001, India.
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10
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Yin C, Pan Y, Zheng L, Lin B, Wen J, Zhang X. Iridium-catalyzed asymmetric hydrogenation of N-phosphinoylimine. Org Chem Front 2021. [DOI: 10.1039/d0qo01286f] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
On catalysis with an iridium tridentate catalyst, prochiral N-phosphinoylimines were hydrogenated with high enantioselectivity and reactivity. An outer-sphere reaction model was proposed in this hydrogenation of CN bonds.
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Affiliation(s)
- Congcong Yin
- Shenzhen Grubbs Institute and Department of Chemistry
- Shenzhen Key Laboratory of Small Molecule Drug Discovery and Synthesis
- Southern University of Science and Technology
- Shenzhen
- China
| | - Yingmin Pan
- Shenzhen Grubbs Institute and Department of Chemistry
- Shenzhen Key Laboratory of Small Molecule Drug Discovery and Synthesis
- Southern University of Science and Technology
- Shenzhen
- China
| | - Longsheng Zheng
- Shenzhen Grubbs Institute and Department of Chemistry
- Shenzhen Key Laboratory of Small Molecule Drug Discovery and Synthesis
- Southern University of Science and Technology
- Shenzhen
- China
| | - Bijin Lin
- Shenzhen Grubbs Institute and Department of Chemistry
- Shenzhen Key Laboratory of Small Molecule Drug Discovery and Synthesis
- Southern University of Science and Technology
- Shenzhen
- China
| | - Jialin Wen
- Shenzhen Grubbs Institute and Department of Chemistry
- Shenzhen Key Laboratory of Small Molecule Drug Discovery and Synthesis
- Southern University of Science and Technology
- Shenzhen
- China
| | - Xumu Zhang
- Shenzhen Grubbs Institute and Department of Chemistry
- Shenzhen Key Laboratory of Small Molecule Drug Discovery and Synthesis
- Southern University of Science and Technology
- Shenzhen
- China
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11
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Affiliation(s)
- Renat Kadyrov
- Institute of Inorganic ChemistryAcademy of Sciences of the Czech Republic 25068 Řež Czech Republic
- Evonik Resource Efficiency GmbH Rodenbacher Chaussee 4 63457 Hanau Germany
| | - Konrad Moebus
- Evonik Resource Efficiency GmbH Rodenbacher Chaussee 4 63457 Hanau Germany
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12
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Chen X, Li Z. Catalyst‐free straightforward synthesis of 3‐cyano‐3‐arylamino‐2‐oxindoles through hydrocyanation with benzoyl cyanide. J Heterocycl Chem 2020. [DOI: 10.1002/jhet.3809] [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)
- Xiao Chen
- College of Chemistry and Chemical EngineeringNorthwest Normal University Lanzhou China
| | - Zheng Li
- College of Chemistry and Chemical EngineeringNorthwest Normal University Lanzhou China
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13
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Zhou Q, Meng W, Feng X, Du H, Yang J. Chiral phosphoric acid catalyzed asymmetric transfer hydrogenation of bulky aryl ketones with ammonia borane. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2019.151394] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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14
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Faverio C, Boselli MF, Medici F, Benaglia M. Ammonia borane as a reducing agent in organic synthesis. Org Biomol Chem 2020; 18:7789-7813. [DOI: 10.1039/d0ob01351j] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Ammonia borane is gaining increasing attention as a sustainable and atom-economical winning reagent for the reduction of several substrates.
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Affiliation(s)
- Chiara Faverio
- Dipartimento di Chimica
- Università degli Studi di Milano
- 20133 Milano
- Italy
| | | | - Fabrizio Medici
- Dipartimento di Chimica
- Università degli Studi di Milano
- 20133 Milano
- Italy
| | - Maurizio Benaglia
- Dipartimento di Chimica
- Università degli Studi di Milano
- 20133 Milano
- Italy
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15
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Airoldi V, Piccolo O, Roda G, Appiani R, Bavo F, Tassini R, Paganelli S, Arnoldi S, Pallavicini M, Bolchi C. Efficient One-Pot Reductive Aminations of Carbonyl Compounds with Aquivion-Fe as a Recyclable Catalyst and Sodium Borohydride. European J Org Chem 2019. [DOI: 10.1002/ejoc.201901614] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Veronica Airoldi
- Dipartimento di Scienze Farmaceutiche; Università degli Studi di Milano; via Mangiagalli 25 20133 Milano Italy
| | | | - Gabriella Roda
- Dipartimento di Scienze Farmaceutiche; Università degli Studi di Milano; via Mangiagalli 25 20133 Milano Italy
| | - Rebecca Appiani
- Dipartimento di Scienze Farmaceutiche; Università degli Studi di Milano; via Mangiagalli 25 20133 Milano Italy
| | - Francesco Bavo
- Dipartimento di Scienze Farmaceutiche; Università degli Studi di Milano; via Mangiagalli 25 20133 Milano Italy
| | - Riccardo Tassini
- Dipartimento di Scienze Molecolari e Nanosistemi; Università Ca' Foscari Venezia; Via Torino 155 30170 Venezia Mestre Italy
| | - Stefano Paganelli
- Dipartimento di Scienze Molecolari e Nanosistemi; Università Ca' Foscari Venezia; Via Torino 155 30170 Venezia Mestre Italy
| | - Sebastiano Arnoldi
- Dipartimento di Scienze Farmaceutiche; Università degli Studi di Milano; via Mangiagalli 25 20133 Milano Italy
| | - Marco Pallavicini
- Dipartimento di Scienze Farmaceutiche; Università degli Studi di Milano; via Mangiagalli 25 20133 Milano Italy
| | - Cristiano Bolchi
- Dipartimento di Scienze Farmaceutiche; Università degli Studi di Milano; via Mangiagalli 25 20133 Milano Italy
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16
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Afanasyev OI, Kuchuk E, Usanov DL, Chusov D. Reductive Amination in the Synthesis of Pharmaceuticals. Chem Rev 2019; 119:11857-11911. [PMID: 31633341 DOI: 10.1021/acs.chemrev.9b00383] [Citation(s) in RCA: 307] [Impact Index Per Article: 61.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Reductive amination plays a paramount role in pharmaceutical and medicinal chemistry owing to its synthetic merits and the ubiquitous presence of amines among biologically active compounds. It is one of the key approaches to C-N bond construction due to its operational easiness and a wide toolbox of protocols. Recent studies show that at least a quarter of C-N bond-forming reactions in the pharmaceutical industry are performed via reductive amination. This Review concisely compiles information on 71 medical substances that are synthesized by reductive amination. Compounds are grouped according to the principle of action, which includes drugs affecting the central nervous system, drugs affecting the cardiovascular system, anticancer drugs, antibiotics, antiviral and antifungal medicines, drugs affecting the urinary system, drugs affecting the respiratory system, antidiabetic medications, drugs affecting the gastrointestinal tract, and drugs regulating metabolic processes. A general synthetic scheme is provided for each compound, and the description is focused on reductive amination steps. The green chemistry metric of reaction mass efficiency was calculated for all reactions.
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Affiliation(s)
- Oleg I Afanasyev
- A. N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences , Vavilova St. 28 , Moscow 119991 , Russian Federation
| | - Ekaterina Kuchuk
- A. N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences , Vavilova St. 28 , Moscow 119991 , Russian Federation
| | - Dmitry L Usanov
- Broad Institute of MIT and Harvard , 415 Main Street , Cambridge , Massachusetts 02142 , United States
| | - 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.,Peoples' Friendship University of Russia , 6 Miklukho-Maklaya Street , Moscow 117198 , Russian Federation
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17
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Meng SS, Tang X, Luo X, Wu R, Zhao JL, Chan ASC. Borane-Catalyzed Chemoselectivity-Controllable N-Alkylation and ortho C-Alkylation of Unprotected Arylamines Using Benzylic Alcohols. ACS Catal 2019. [DOI: 10.1021/acscatal.9b03038] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Shan-Shui Meng
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Xiaowen Tang
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Xiang Luo
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Ruibo Wu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Jun-Ling Zhao
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Albert S. C. Chan
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
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18
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Sun X, Wang X, Liu F, Gao Z, Bian Q, Wang M, Zhong J. Enantioselective synthesis of (R)-Cinacalcet via cobalt-catalysed asymmetric Negishi cross-coupling. Chirality 2019; 31:682-687. [PMID: 31310396 DOI: 10.1002/chir.23085] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 04/09/2019] [Accepted: 04/17/2019] [Indexed: 12/20/2022]
Abstract
A novel enantioselective synthesis of (R)-cinacalcet with 99% enantiomeric excesses (ee) has been achieved. The main strategies of the approach include a gram-scale cobalt-catalysed asymmetric cross-coupling of racemic ester with arylzinc reagent, Hoffman-type rearrangement of acidamide, the amidation of chiral amine, and improving the ee of chiral amide from 87% to 99% via recrystallization.
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Affiliation(s)
- Xiao Sun
- Department of Applied Chemestry, China Agricultural University, Beijing, China
| | - Xueyang Wang
- Department of Applied Chemestry, China Agricultural University, Beijing, China
| | - Feipeng Liu
- Department of Applied Chemestry, China Agricultural University, Beijing, China
| | - Zidong Gao
- Department of Applied Chemestry, China Agricultural University, Beijing, China
| | - Qinghua Bian
- Department of Applied Chemestry, China Agricultural University, Beijing, China
| | - Min Wang
- Department of Applied Chemestry, China Agricultural University, Beijing, China
| | - Jiangchun Zhong
- Department of Applied Chemestry, China Agricultural University, Beijing, China
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