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Young Kim S, Ri Kim Y, Tae Kim H, Kumar Jaladi A, Keun An D. Diisobutyl(morpholino)aluminum‐Enabled Partial Reductions with DIBALH: Highly Practical Synthesis of Aldehydes from Carboxylic Acid Derivatives. ChemistrySelect 2022. [DOI: 10.1002/slct.202202351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- So Young Kim
- Department of Chemistry and Institute for Molecular Science and Fusion Technology Kangwon National University Cuncheon 24341 Republic of Korea
| | - Yu Ri Kim
- Department of Chemistry and Institute for Molecular Science and Fusion Technology Kangwon National University Cuncheon 24341 Republic of Korea
| | - Hyun Tae Kim
- Department of Chemistry and Institute for Molecular Science and Fusion Technology Kangwon National University Cuncheon 24341 Republic of Korea
| | - Ashok Kumar Jaladi
- Department of Chemistry and Institute for Molecular Science and Fusion Technology Kangwon National University Cuncheon 24341 Republic of Korea
| | - Duk Keun An
- Department of Chemistry and Institute for Molecular Science and Fusion Technology Kangwon National University Cuncheon 24341 Republic of Korea
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2
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Ortega KJ, Lucas NT, Bagshaw SA, Hayman AR. Synthesis of ω‐Amino‐Functionalized Alkyl Quaternary Ammonium Surfactants. ChemistrySelect 2021. [DOI: 10.1002/slct.202103871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Kenneth J. Ortega
- Department of Chemistry University of Otago Dunedin 9016 New Zealand
| | - Nigel T. Lucas
- Department of Chemistry University of Otago Dunedin 9016 New Zealand
| | - Stephen A. Bagshaw
- Inflexion Scientific 47 A Farnham St Mornington Wellington 6021 New Zealand
| | - Alan R. Hayman
- Department of Chemistry University of Otago Dunedin 9016 New Zealand
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Morimoto Y, Kochi T, Kakiuchi F. Rhodium-Catalyzed Anti-Markovnikov Hydroamination of Aliphatic and Aromatic Terminal Alkynes with Aliphatic Primary Amines. J Org Chem 2021; 86:13143-13152. [PMID: 34492192 DOI: 10.1021/acs.joc.1c01636] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Anti-Markovnikov hydroamination of both aliphatic and aromatic terminal alkynes with primary amines was achieved using an 8-quinolinolato rhodium catalyst to form aldimines and enamines in high yields. This catalytic system realized high functional group tolerance including hydroxy, bromo, cyano, and thioester groups.
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Affiliation(s)
- Yoshihiko Morimoto
- Department of Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan
| | - Takuya Kochi
- Department of Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan
| | - Fumitoshi Kakiuchi
- Department of Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan
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4
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He Z, Wang Z, Ru J, Wang Y, Liu T, Zeng Z. A Strategy for Accessing Aldehydes
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Palladium‐Catalyzed C−O/C−N Bond Cleavage in the Presence of Hydrosilanes. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000794] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Zhanyu He
- School of Chemistry South China Normal University Guangzhou 510006 People's Republic of China
| | - Zijia Wang
- School of Chemistry South China Normal University Guangzhou 510006 People's Republic of China
| | - Junxiang Ru
- School of Chemistry South China Normal University Guangzhou 510006 People's Republic of China
| | - Yulin Wang
- School of Chemistry South China Normal University Guangzhou 510006 People's Republic of China
| | - Tingting Liu
- School of Chemistry South China Normal University Guangzhou 510006 People's Republic of China
| | - Zhuo Zeng
- School of Chemistry South China Normal University Guangzhou 510006 People's Republic of China
- Key Laboratory of Organofluorine Chemistry Shanghai Institute of Organic Chemistry Chinese Academy of Science 345 Lingling Road Shanghai 200032 China
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5
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Al Bujuq N. Methods of Synthesis of Remdesivir, Favipiravir, Hydroxychloroquine, and Chloroquine: Four Small Molecules Repurposed for Clinical Trials during the Covid-19 Pandemic. SYNTHESIS-STUTTGART 2020. [DOI: 10.1055/s-0040-1707386] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
AbstractThe novel coronavirus (COVID-19) disease has rapidly evolved into a sweeping pandemic despite public health measures. Screening and development of new vaccines and antivirals are expensive and time consuming. However, the repositioning of available drugs is an essential and universal strategy in the development of new drugs and therefore should receive priority attention as well as international government and agency support. Significant drugs such as chloroquine, hydroxychloroquine, favipiravir and remdesivir, are currently undergoing clinical studies to test their efficacy and safety. Some promising results have been achieved thus far in the treatment of COVID-19. In this article we summarize and discuss the most common synthetic strategies to apply in the preparation of these drug molecules. It is hoped that this compendium will provide an accessible useful guide and reference source for scientists, researchers and academia in their battle against COVD-19.1 Introduction2 Synthesis of Chloroquine (CQ) and Hydroxychloroquine (HCQ)2.1 Synthesis of 4,7-Dichloroquinoline 1
2.2 Synthesis of 2-Amino-5-(diethylamino)pentane (Novoldiamine) 2
2.3 Synthesis of 5-(N-Ethyl-N-2-hydroxyethylamino)-2-pentylamine 4
2.4 Developed Methods for Synthesis of Chloroquine and Hydroxychloroquine2.5 Synthesis of (R)-Chloroquine, (S)-Chloroquine, (R)-Hydroxychloroquine and (S)-Hydroxychloroquine3 Synthesis of Favipiravir (Avigan)4 Synthesis of Remdesivir5 Conclusion
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Affiliation(s)
- Nader Al Bujuq
- Chemistry Department-Faculty of Science-Taibah University
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6
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Emayavaramban B, Chakraborty P, Sundararaju B. Cobalt-Catalyzed Reductive Alkylation of Amines with Carboxylic Acids. CHEMSUSCHEM 2019; 12:3089-3093. [PMID: 30418691 DOI: 10.1002/cssc.201802144] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 11/12/2018] [Indexed: 06/09/2023]
Abstract
Direct reductive alkylation of amines with carboxylic acid is carried out by using an inexpensive, air-stable cobalt/triphos catalytic system with molecular hydrogen as the reductant. This efficient synthetic method proceeds through reduction and condensation, followed by reduction of the in situ-generated imine into the amine in a green catalytic process.
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Affiliation(s)
- Balakumar Emayavaramban
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, 208 016, India
| | - Priyanka Chakraborty
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, 208 016, India
| | - Basker Sundararaju
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, 208 016, India
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7
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Grishina GV, Veselov IS, Safronova EN, Mazur DM, Samoshin VV. Convenient synthesis of trans -3-amino-1-benzylpiperidin-4-ols using regiospecific cleavage of 1-benzyl-3,4-epoxypiperidine with diisobutylaluminum amides (DIBAL-NR 1 R 2 ). Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.04.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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8
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Andrews KG, Summers DM, Donnelly LJ, Denton RM. Catalytic reductive N-alkylation of amines using carboxylic acids. Chem Commun (Camb) 2016; 52:1855-8. [PMID: 26669845 DOI: 10.1039/c5cc08881j] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report a catalytic reductive alkylation reaction of primary or secondary amines with carboxylic acids. The two-phase process involves silane mediated direct amidation followed by catalytic reduction.
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Affiliation(s)
- Keith G Andrews
- School of Chemistry, University Park, University of Nottingham, Nottingham, NG7 2RD, UK.
| | - Declan M Summers
- School of Chemistry, University Park, University of Nottingham, Nottingham, NG7 2RD, UK.
| | - Liam J Donnelly
- School of Chemistry, University Park, University of Nottingham, Nottingham, NG7 2RD, UK.
| | - Ross M Denton
- School of Chemistry, University Park, University of Nottingham, Nottingham, NG7 2RD, UK.
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9
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Hwang S, Park H, Kwon Y, Kim S. Acid promoted cyclodehydration of amino alcohols with amide acetal. RSC Adv 2014. [DOI: 10.1039/c4ra10625c] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Intramolecular N-alkylation of amino alcohols using an amide acetal was developed that is widely applicable to the formation of azaheterocycles.
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Affiliation(s)
- Soonho Hwang
- College of Pharmacy
- Seoul National University
- Seoul 151-742, Korea
| | - Heemin Park
- College of Pharmacy
- Seoul National University
- Seoul 151-742, Korea
| | - Yongseok Kwon
- College of Pharmacy
- Seoul National University
- Seoul 151-742, Korea
| | - Sanghee Kim
- College of Pharmacy
- Seoul National University
- Seoul 151-742, Korea
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10
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Huo HH, Zhang HK, Xia XE, Huang PQ. A Formal Enantioselective Total Synthesis of FR901483. Org Lett 2012; 14:4834-7. [DOI: 10.1021/ol302165d] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Hao-Hua Huo
- Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, P. R. China, and State Key Laboratory of Bioorganic and Natural Products Chemistry, 354 Fenglin Lu, Shanghai 200032, P. R. China
| | - Hong-Kui Zhang
- Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, P. R. China, and State Key Laboratory of Bioorganic and Natural Products Chemistry, 354 Fenglin Lu, Shanghai 200032, P. R. China
| | - Xiao-Er Xia
- Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, P. R. China, and State Key Laboratory of Bioorganic and Natural Products Chemistry, 354 Fenglin Lu, Shanghai 200032, P. R. China
| | - Pei-Qiang Huang
- Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, P. R. China, and State Key Laboratory of Bioorganic and Natural Products Chemistry, 354 Fenglin Lu, Shanghai 200032, P. R. China
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