1
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Pati SS, Mishra A, Das JP. Regio- and Stereocontrolled Hydrohalogenation of Ynamides with N-Halosuccinimides (NXS) as the Halogen Source: Synthesis of ( E)-α-Haloenamides. J Org Chem 2024; 89:1727-1735. [PMID: 38237061 DOI: 10.1021/acs.joc.3c02436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
Presented herein is a facile stereoselective construction of synthetically versatile chiral and achiral (E)-α-haloenamides under mild conditions utilizing N-halosuccinimides and diphenylphosphine oxide. This reaction is metal-free, mild, efficient, very rapid, and practical and highlights the synthetic versatility of ynamides. The reaction has a broad substrate scope; both chiral and achiral ynamides have been transformed into the corresponding (E)-α-haloenamides within a very short period of time without compromising selectivity or complexity.
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Affiliation(s)
- Subhransu S Pati
- Organic Synthesis and Catalysis Laboratory, Department of Chemistry, Ravenshaw University, Cuttack 753003, India
| | - Archana Mishra
- Organic Synthesis and Catalysis Laboratory, Department of Chemistry, Ravenshaw University, Cuttack 753003, India
| | - Jaya P Das
- Organic Synthesis and Catalysis Laboratory, Department of Chemistry, Ravenshaw University, Cuttack 753003, India
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2
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Sharma A, Jamwal P, Gurubrahamam R. Synthesis of Tetrasubstituted 1,4-Dicarbonyl ( Z)-2,3-Dihaloalkenes via Electrophilic Halogenation of Alkynyl Hydrazones. Org Lett 2023; 25:7236-7241. [PMID: 37748013 DOI: 10.1021/acs.orglett.3c02864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
Abstract
A highly practical and stereoselective route to 1,4-dicarbonyl 2,3-dihaloalkenes is presented. The strategy involves bench-stable unprotected alkynyl hydrazones and commercially available N-halosuccinimides that provide γ-oxo-α,β-(Z)-dihaloenoates in excellent yields with complete Z-selectivity. The protocol also furnishes vicinal dihaloalkenes with two different halogen atoms. Also, a straightforward one-pot synthesis of dihaloenoates from readily accessible 2-oxo-3-butynoate is demonstrated. In addition, potential synthetic transformations of 4-oxo-2,3-dibromoenoates are explored, which include the synthesis of valuable five- and six-membered heterocycles.
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Affiliation(s)
- Akashdeep Sharma
- Department of Chemistry, Indian Institute of Technology Jammu, NH-44, PO Nagrota, Jagti, Jammu, Jammu and Kashmir 181221, India
| | - Paru Jamwal
- Department of Chemistry, Indian Institute of Technology Jammu, NH-44, PO Nagrota, Jagti, Jammu, Jammu and Kashmir 181221, India
| | - Ramani Gurubrahamam
- Department of Chemistry, Indian Institute of Technology Jammu, NH-44, PO Nagrota, Jagti, Jammu, Jammu and Kashmir 181221, India
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3
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Yu W, Jiao X, Fan Y, Zhu S, Chu L. Metallaphotoredox‐Enabled Intermolecular Carbobromination of Alkynes with Alkenyl Bromides. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Wei Yu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials Center for Advanced Low-Dimension Materials College of Chemistry Chemical Engineering and Biotechnology Donghua University Shanghai 201620 People's Republic of China
| | - Xiaorui Jiao
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials Center for Advanced Low-Dimension Materials College of Chemistry Chemical Engineering and Biotechnology Donghua University Shanghai 201620 People's Republic of China
| | - Yanmin Fan
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials Center for Advanced Low-Dimension Materials College of Chemistry Chemical Engineering and Biotechnology Donghua University Shanghai 201620 People's Republic of China
| | - Shengqing Zhu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials Center for Advanced Low-Dimension Materials College of Chemistry Chemical Engineering and Biotechnology Donghua University Shanghai 201620 People's Republic of China
| | - Lingling Chu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials Center for Advanced Low-Dimension Materials College of Chemistry Chemical Engineering and Biotechnology Donghua University Shanghai 201620 People's Republic of China
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4
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Buttard F, Sharma J, Champagne PA. Recent advances in the stereoselective synthesis of acyclic all-carbon tetrasubstituted alkenes. Chem Commun (Camb) 2021; 57:4071-4088. [PMID: 33908457 DOI: 10.1039/d1cc00596k] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Alkenes bearing four carbon-based groups are ubiquitous motifs in chemical sciences due to their various applications from medicinal to materials chemistry, and as chemical platforms for the synthesis of complex, chiral molecules. As such, tremendous research efforts are currently ongoing in order to develop general procedures for the challenging stereoselective synthesis of all-carbon tetrasubstituted alkenes, especially for acyclic structures. Since classical approaches to carbon-carbon double bonds are not suitable for the high steric demand around tetrasubstituted alkenes, a variety of unique approaches to access these privileged functional groups have been developed in recent years. This review article highlights the most significant developments in the field from 2007 to 2020, with an emphasis on the mechanisms and remaining limitations of these contemporary methods. Specifically, recent advances in internal alkyne carbofunctionalizations, in multicomponent couplings or other cross-couplings from nucleophilic or electrophilic alkenyl partners, and in the development of miscellaneous methods, are discussed.
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Affiliation(s)
- Floris Buttard
- Department of Chemistry and Environmental Science, New Jersey Institute of Technology, Newark (NJ), USA.
| | - Jyoti Sharma
- Department of Chemistry and Environmental Science, New Jersey Institute of Technology, Newark (NJ), USA.
| | - Pier Alexandre Champagne
- Department of Chemistry and Environmental Science, New Jersey Institute of Technology, Newark (NJ), USA.
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5
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Wen H, Yan W, Chen P, Li Y, Tang Y. Catalyst-Free [4+2] Cycloaddition of Ynamides with 2-Halomethyl Phenols To Construct 2-Amino-4 H-Chromenes and α-Halo Enamides Simultaneously. J Org Chem 2020; 85:12870-12881. [PMID: 33000945 DOI: 10.1021/acs.joc.0c01258] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
We report the development of a facile protocol for the [4+2] cycloaddition of ynamides and 2-halomethyl phenols to afford the corresponding 2-amino-4H-chromenes and α-halo enamides under catalyst-free conditions. The reaction proceeds under mild conditions and exhibits good tolerance toward various functional groups and generates high yields. The plausible mechanism involves the formation of an active intermediate keteniminium as well as o-methylene quinone.
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Affiliation(s)
- Hao Wen
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Yushan Road, Qingdao 266003, P. R. China
| | - Weibo Yan
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Yushan Road, Qingdao 266003, P. R. China
| | - Ping Chen
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Yushan Road, Qingdao 266003, P. R. China
| | - Yu Li
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Yushan Road, Qingdao 266003, P. R. China
| | - Yu Tang
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Yushan Road, Qingdao 266003, P. R. China.,Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology Qingdao 266237, P. R. China
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6
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Nickel‐Catalyzed Allylmethylation of Alkynes with Allylic Alcohols and AlMe
3
: Facile Access to Skipped Dienes and Trienes. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202006322] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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7
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Li W, Yu S, Li J, Zhao Y. Nickel‐Catalyzed Allylmethylation of Alkynes with Allylic Alcohols and AlMe
3
: Facile Access to Skipped Dienes and Trienes. Angew Chem Int Ed Engl 2020; 59:14404-14408. [DOI: 10.1002/anie.202006322] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Indexed: 01/12/2023]
Affiliation(s)
- Wanfang Li
- College of Science University of Shanghai for Science and Technology Shanghai 200093 P. R. China
| | - Shun Yu
- Department of Chemistry National University of Singapore 3 Science Drive 3 117543 Singapore Singapore
| | - Jincan Li
- College of Science University of Shanghai for Science and Technology Shanghai 200093 P. R. China
| | - Yu Zhao
- Department of Chemistry National University of Singapore 3 Science Drive 3 117543 Singapore Singapore
- Joint School of National University of Singapore and Tianjin University International Campus of Tianjin University Binhai New City Fuzhou 350207 China
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8
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Zhu DL, Xu R, Wu Q, Li HY, Lang JP, Li HX. Nickel-Catalyzed Sonogashira C(sp)–C(sp2) Coupling through Visible-Light Sensitization. J Org Chem 2020; 85:9201-9212. [DOI: 10.1021/acs.joc.0c01177] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Da-Liang Zhu
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s Republic of China
| | - Ruijie Xu
- College of Overseas Education, Nanjing Tech University, Nanjing 211816, People’s Republic of China
| | - Qi Wu
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s Republic of China
| | - Hai-Yan Li
- Analysis and Testing Center, Soochow University, Suzhou 215123, People’s Republic of China
| | - Jian-Ping Lang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s Republic of China
| | - Hong-Xi Li
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s Republic of China
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9
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Lin EE, Wu JQ, Schäfers F, Su XX, Wang KF, Li JL, Chen Y, Zhao X, Ti H, Li Q, Ou TM, Glorius F, Wang H. Regio- and stereoselective synthesis of tetra- and triarylethenes by N-methylimidodiacetyl boron-directed palladium-catalysed three-component coupling. Commun Chem 2019. [DOI: 10.1038/s42004-019-0137-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
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10
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Fujii Y, Tamura Y, Hashimoto N, Endo N, Iwasawa T. Stereo‐Defined Synthetic Route to (
E
)‐ and (
Z
)‐Tamoxifen Derived from(
E
)‐1‐Bromo‐2‐iodoalkenes. ChemistrySelect 2019. [DOI: 10.1002/slct.201900324] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yoshino Fujii
- Department of Materials ChemistryRyukoku University Seta, Otsu Shiga 520-2194 Japan
| | - Yuka Tamura
- Department of Materials ChemistryRyukoku University Seta, Otsu Shiga 520-2194 Japan
| | - Nako Hashimoto
- Department of Materials ChemistryRyukoku University Seta, Otsu Shiga 520-2194 Japan
| | - Naoki Endo
- Department of Materials ChemistryRyukoku University Seta, Otsu Shiga 520-2194 Japan
| | - Tetsuo Iwasawa
- Department of Materials ChemistryRyukoku University Seta, Otsu Shiga 520-2194 Japan
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11
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Cao W, Chen P, Wang L, Wen H, Liu Y, Wang W, Tang Y. A Highly Regio- and Stereoselective Syntheses of α-Halo Enamides, Vinyl Thioethers, and Vinyl Ethers with Aqueous Hydrogen Halide in Two-Phase Systems. Org Lett 2018; 20:4507-4511. [PMID: 30004711 DOI: 10.1021/acs.orglett.8b01809] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A metal-free regio- and stereoselective method is achieved for the preparation of ( E)-configured α-halo enamides, vinyl thioethers, and vinyl ethers using aqueous HX (X = F, Cl, Br, I), which features high functional group compatibility and regio- and stereoselectivity, mild conditions, high efficiency, and rapid transformation. Additionally, the isomers could be yielded readily from the ( E)-configured α-halo enamides via photocatalysis or under Sonogashira coupling conditions.
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Affiliation(s)
- Wei Cao
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy , Ocean University of China , Yushan Road , Qingdao 266003 , P. R. China
| | - Ping Chen
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy , Ocean University of China , Yushan Road , Qingdao 266003 , P. R. China
| | - Liang Wang
- College of Chemistry and Pharmaceutical Sciences , Qingdao Agricultural University , Qingdao 266109 , P. R. China
| | - Hao Wen
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy , Ocean University of China , Yushan Road , Qingdao 266003 , P. R. China
| | - Yu Liu
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy , Ocean University of China , Yushan Road , Qingdao 266003 , P. R. China
| | - Wanshu Wang
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy , Ocean University of China , Yushan Road , Qingdao 266003 , P. R. China
| | - Yu Tang
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy , Ocean University of China , Yushan Road , Qingdao 266003 , P. R. China.,Laboratory for Marine Drugs and Bioproducts Qingdao National Laboratory for Marine Science and Technology , Qingdao 266237 , P. R. China
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12
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Wang Q, Zhang L, Yao J, Qiu G, Li X, Zhou H. Silver-Catalyzed Stereoselective Cyclization to Polysubstituted (Z)-1,2-Dihydrobenzo[cd]indoles. J Org Chem 2018; 83:4092-4098. [DOI: 10.1021/acs.joc.7b03257] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Qiqi Wang
- College of Biological, Chemical Science and Engineering, Jiaxing University, 118 Jiahang Road, Jiaxing 314001, China
| | - Lianpeng Zhang
- College of Biological, Chemical Science and Engineering, Jiaxing University, 118 Jiahang Road, Jiaxing 314001, China
| | - Jinzhong Yao
- College of Biological, Chemical Science and Engineering, Jiaxing University, 118 Jiahang Road, Jiaxing 314001, China
| | - Guanyinsheng Qiu
- College of Biological, Chemical Science and Engineering, Jiaxing University, 118 Jiahang Road, Jiaxing 314001, China
| | - Xiaofang Li
- School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, 411201, China
| | - Hongwei Zhou
- College of Biological, Chemical Science and Engineering, Jiaxing University, 118 Jiahang Road, Jiaxing 314001, China
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13
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Maji B, Bhattacharya A, Hazra S. Halogen-Induced Friedel-Crafts Alkenylation Reactions with Haloalkynes: Direct Access to gem
-1, 1-Dihaloalkenes. ChemistrySelect 2017. [DOI: 10.1002/slct.201702265] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Biswajit Maji
- Department of Chemistry; Indira Gandhi National Tribal University; Amarkantak, Madhya Pradesh India
| | - Aditya Bhattacharya
- Department of Chemistry; Indira Gandhi National Tribal University; Amarkantak, Madhya Pradesh India
| | - Sunit Hazra
- Centre for Applied Chemistry; Central University of Jharkhand, Brambe; Ranchi, Jharkhand - 835205 India
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