1
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Yu L, Xu R, Yao YY, Lu Y, Liu FY, Tan W, Shi F. Organocatalytic ( Z/ E)-Selective Synthesis of 3-Vinylnaphthofurans via a Formal (3 + 2) Cycloaddition. J Org Chem 2023; 88:3474-3486. [PMID: 36877987 DOI: 10.1021/acs.joc.2c02641] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2023]
Abstract
A formal (3 + 2) cycloaddition of 1,4-enediones with 2-naphthols was established under the catalysis of trifluoromethanesulfonic acid as an organocatalyst, leading to the efficient synthesis of structurally diverse 3-vinylnaphthofurans with high yields and excellent (Z/E)-selectivities (up to 96% yield, all >20:1 Z/E). This formal (3 + 2) cycloaddition involved a cascade reaction process, and the intramolecular hydrogen bond in the structure of 3-vinylnaphthofurans should play an important role in controlling the (Z/E)-selectivity of the newly formed vinyl group. Moreover, this class of 3-vinylnaphthofurans was discovered to have an axial chirality. This work provides an organocatalytic approach for constructing multi-substituted vinylnaphthofurans via a cascade reaction with excellent control of the (Z/E)-selectivity, which will serve as a useful strategy for synthesizing vinylnaphthofurans via in situ construction of the furan core and formation of the vinyl group.
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Affiliation(s)
- Lei Yu
- Research Center of Chiral Functional Heterocycles, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, China
| | - Ran Xu
- Research Center of Chiral Functional Heterocycles, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, China
| | - Yan-Yi Yao
- Research Center of Chiral Functional Heterocycles, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, China
| | - Yu Lu
- Research Center of Chiral Functional Heterocycles, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, China
| | - Fei-Yang Liu
- Research Center of Chiral Functional Heterocycles, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, China
| | - Wei Tan
- Research Center of Chiral Functional Heterocycles, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, China
| | - Feng Shi
- Research Center of Chiral Functional Heterocycles, School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, China.,School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
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2
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Hao MY, Zhang Y, Lin N, Fu R, Ji XS, Jiang B, Tu SJ, Hao WJ. Gold self-relay catalysis enabling annulative oxygenation of propargylic alcohols with O-nucleophiles. Chem Commun (Camb) 2023; 59:4032-4035. [PMID: 36924136 DOI: 10.1039/d3cc00089c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
Abstract
A new gold(I) self-relay catalysis reaction enabling the annulative oxygenation of propargylic alcohols with various O-nucleophiles, such as carboxylic acids, alcohols and TBHP, is reported, producing a series of functionalized benzofurans in moderate to good yields under mild conditions. This protocol benefits from the π- and σ-Lewis acid capability of gold complexes, demonstrating high molecular convergence, broad substrate flexibility, high functional group compatibility and mild conditions.
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Affiliation(s)
- Meng-Ying Hao
- School of Chemistry & Materials Science, Jiangsu Normal University, Xuzhou, 221116, P. R. China. .,School of Pharmacy, Zhengzhou Vocational College of Medicine and Health, Zhengzhou 452385, P. R. China
| | - Yin Zhang
- School of Chemistry & Materials Science, Jiangsu Normal University, Xuzhou, 221116, P. R. China.
| | - Na Lin
- School of Chemistry & Materials Science, Jiangsu Normal University, Xuzhou, 221116, P. R. China.
| | - Rong Fu
- School of Chemistry & Materials Science, Jiangsu Normal University, Xuzhou, 221116, P. R. China.
| | - Xiao-Shuang Ji
- School of Chemistry & Materials Science, Jiangsu Normal University, Xuzhou, 221116, P. R. China.
| | - Bo Jiang
- School of Chemistry & Materials Science, Jiangsu Normal University, Xuzhou, 221116, P. R. China.
| | - Shu-Jiang Tu
- School of Chemistry & Materials Science, Jiangsu Normal University, Xuzhou, 221116, P. R. China.
| | - Wen-Juan Hao
- School of Chemistry & Materials Science, Jiangsu Normal University, Xuzhou, 221116, P. R. China.
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3
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Sun J, Zhang W, Song R, Yang D, Lv J. Divergent Coupling of ortho-Alkynylnaphthols and Benzofurans: [4 + 2] Cycloaddition and Friedel-Crafts Reaction. J Org Chem 2023; 88:442-454. [PMID: 36520642 DOI: 10.1021/acs.joc.2c02431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Catalytic direct [4 + 2] cycloaddition reactions and Friedel-Crafts reactions of ortho-alkynylnaphthols with benzofurans have been developed, affording functionalized hydrobenzofuro[3,2-b]chromans and hydroarylation products, respectively, in high yields with high chemoselectivity.
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Affiliation(s)
- Jiaying Sun
- Key Laboratory of Optic-Electric Sensing and Analytic Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Wenxuan Zhang
- Key Laboratory of Optic-Electric Sensing and Analytic Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Ran Song
- Key Laboratory of Optic-Electric Sensing and Analytic Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Daoshan Yang
- Key Laboratory of Optic-Electric Sensing and Analytic Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Jian Lv
- Key Laboratory of Optic-Electric Sensing and Analytic Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
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4
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Murtinho D, Elisa da Silva Serra M. Transition Metal Catalysis in Synthetic Heterocyclic Chemistry. HETEROCYCLES 2022. [DOI: 10.1002/9783527832002.ch5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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5
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Ma CH, Ji Y, Zhao J, He X, Zhang ST, Jiang YQ, Jiang YQ. Transition-metal-free three-component acetalation-pyridylation of alkenes via photoredox catalysis. CHINESE JOURNAL OF CATALYSIS 2022. [DOI: 10.1016/s1872-2067(21)63917-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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6
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Zhang W, Song R, Yang D, Lv J. Construction of Axially Chiral Styrenes Linking an Indole Moiety by Chiral Phosphoric Acid. J Org Chem 2022; 87:2853-2863. [DOI: 10.1021/acs.joc.1c02750] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Wenxuan Zhang
- Key Laboratory of Optic-Electric Sensing and Analytic Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Ran Song
- Key Laboratory of Optic-Electric Sensing and Analytic Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Daoshan Yang
- Key Laboratory of Optic-Electric Sensing and Analytic Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Jian Lv
- Key Laboratory of Optic-Electric Sensing and Analytic Chemistry for Life Science, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
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7
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He Y, Wu P, Zhang X, Wang T, Tao Q, Zhou K, Ouyang Z, Zhai H, Cheng DJ, Cheng B. Synthesis of aryl-fused 1,4-oxathiepines from pyridinium 1,4-zwitterionic thiolates and vinylidene ortho-quinone methides. Org Chem Front 2022. [DOI: 10.1039/d2qo00735e] [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
Synthesis of aryl-fused 1,4-oxathiepines from pyridinium 1,4-zwitterionic thiolates with vinylidene ortho-quinone methides generated in situ via a formal (3 + 4) pathway.
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Affiliation(s)
- Yixuan He
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
- Institute of Marine Biomedicine, Shenzhen Polytechnic, Shenzhen 518055, China
| | - Ping Wu
- Key Laboratory of Coordination Chemistry and Functional Materials in Universities of Shandong, Dezhou College, Dezhou 253023, China
| | - Xiang Zhang
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China
| | - Taimin Wang
- Institute of Marine Biomedicine, Shenzhen Polytechnic, Shenzhen 518055, China
| | - Qingqing Tao
- Institute of Marine Biomedicine, Shenzhen Polytechnic, Shenzhen 518055, China
| | - Kang Zhou
- Institute of Marine Biomedicine, Shenzhen Polytechnic, Shenzhen 518055, China
| | - Zijun Ouyang
- Institute of Marine Biomedicine, Shenzhen Polytechnic, Shenzhen 518055, China
| | - Hongbin Zhai
- Institute of Marine Biomedicine, Shenzhen Polytechnic, Shenzhen 518055, China
- State Key Laboratory of Chemical Oncogenomics, Shenzhen Engineering Laboratory of Nano Drug Slow-Release, Peking University Shenzhen Graduate School, Shenzhen 518055, China
| | - Dao-Juan Cheng
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China
| | - Bin Cheng
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
- Institute of Marine Biomedicine, Shenzhen Polytechnic, Shenzhen 518055, China
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8
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Zhang J, Shi SQ, Hao WJ, Dong GY, Tu SJ, Jiang B. Tunable Electrocatalytic Annulations of o-Arylalkynylanilines: Green and Switchable Syntheses of Skeletally Diverse Indoles. J Org Chem 2021; 86:15886-15896. [PMID: 33534572 DOI: 10.1021/acs.joc.0c02898] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Tunable electrocatalytic annulation reactions of o-arylalkynylanilines have been established, leading to green and divergent syntheses of skeletally diverse indoles by adjusting the electrolytes and the solvents. The presence of ammonium halides as the electrolytes enabled the halogenation of o-arylalkynylanilines to give C3-halogenated indoles whereas naphtho[1',2':4,5]furo[3,2-b]indoles could be obtained by changing the electrolyte from ammonium halides to KI. Interestingly, by combining acetone as the solvent and both NH4I and NH4Cl as the electrolytes, the reaction worked through an intramolecular annulation and [5 + 1] cyclization cascade to form naphtho[1',2':5,6][1,3]oxazino[3,4-a]indoles.
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Affiliation(s)
- Jie Zhang
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P.R. China
| | - Shao-Qing Shi
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P.R. China
| | - Wen-Juan Hao
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P.R. China
| | - Guo-Yun Dong
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P.R. China
| | - Shu-Jiang Tu
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P.R. China
| | - Bo Jiang
- School of Chemistry & Materials Science, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P.R. China
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9
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Tian Y, Duan M, Liu J, Fu S, Dong K, Yue H, Hou Y, Zhao Y. Recent Advances in Metal‐Catalyzed Decarboxylative Reactions of Vinyl Benzoxazinanones. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100715] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Ye Tian
- School of Pharmaceutical Engineering Shenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 People's Republic of China
| | - Meibo Duan
- School of Pharmaceutical Engineering Shenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 People's Republic of China
| | - Jialu Liu
- School of Pharmaceutical Engineering Shenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 People's Republic of China
| | - Siyu Fu
- School of Pharmaceutical Engineering Shenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 People's Republic of China
| | - Kuan Dong
- School of Pharmaceutical Engineering Shenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 People's Republic of China
| | - Hao Yue
- School of Pharmaceutical Engineering Shenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 People's Republic of China
| | - Yunlei Hou
- School of Pharmaceutical Engineering Shenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 People's Republic of China
| | - Yanfang Zhao
- School of Pharmaceutical Engineering Shenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 People's Republic of China
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10
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Yang Y, Cheng L, Wang M, Yin L, Feng Y, Wang C, Li Y. Difunctionalization of Alkynones by Base-Mediated Reaction with α,α-Dithioketones. Org Lett 2021; 23:5339-5343. [PMID: 34228461 DOI: 10.1021/acs.orglett.1c01640] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A novel 1,2-difunctionalization of alkynones via an umpolung strategy for the synthesis of tetrasubstituted olefins has been developed. This procedure is realized by a formal C-C σ-bond cleavage reaction of cyclic α,α-dithioketones and subsequent deprotection. Notable features of this approach include excellent yields, mild reaction conditions, a broad substrate scope, and operational simplicity.
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Affiliation(s)
- Yajie Yang
- School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China
| | - Lu Cheng
- School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China
| | - Mengdan Wang
- School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China
| | - Liqiang Yin
- School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China
| | - Ye Feng
- School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China
| | - Chengyu Wang
- School of Chemistry and Chemical Engineering, Linyi University, Shuangling Road, Linyi, Shandong 276000, China
| | - Yanzhong Li
- School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China.,Key Laboratory of Polar Materials and Devices, Ministry of Education, East China Normal University, 500 Dongchuan Road, Shanghai 200241, China
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11
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Zhu CF, Gao CH, Hao WJ, Zhu YL, Tu SJ, Wang DC, Jiang B. Synthesis of C3-alkylated benzofurans via palladium-catalyzed regiocontrolled hydro-furanization of unactivated alkenes. Org Chem Front 2021. [DOI: 10.1039/d0qo01247e] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A new chelation-controlled hydrofuranization of unactivated olefins with α-alkynyl arylols is reported for the first time, and used to produce a wide range of C3-alkylated benzofurans with generally good yields under mild conditions.
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Affiliation(s)
- Chi-Fan Zhu
- School of Pharmaceutical
- Nanjing Tech University
- Nanjing
- P. R. China
| | - Cong-Hui Gao
- School of Chemistry & Materials Science
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
| | - Wen-Juan Hao
- School of Chemistry & Materials Science
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
| | - Yi-Long Zhu
- School of Pharmaceutical
- Nanjing Tech University
- Nanjing
- P. R. China
| | - Shu-Jiang Tu
- School of Chemistry & Materials Science
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
| | - De-Cai Wang
- School of Pharmaceutical
- Nanjing Tech University
- Nanjing
- P. R. China
| | - Bo Jiang
- School of Chemistry & Materials Science
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
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12
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Xu T, Lin N, Hao WJ, Zhang J, Li MF, Tu SJ, Jiang B. Synthesis of polycyclic indoles via organocatalytic bicyclization of α-alkynylnaphthalen-2-ols with nitrones. Chem Commun (Camb) 2020; 56:11406-11409. [PMID: 32853304 DOI: 10.1039/d0cc05027j] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A new organocatalytic bicyclization of α-alkynylnaphthalen-2-ols with nitrones was first reported, leading to the convergent synthesis of polycyclic indoles with substantial substitution diversity in generally good yields through scission of the N-O bond of nitrones via [3,3]-sigmatropic rearrangement. This transformation showcases the use of a quinine catalyst in a complicated cascade system that has been shown to effectively construct polycyclic heterocycles via alkyne difunctionalization.
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Affiliation(s)
- Ting Xu
- School of Chemistry & Materials Science, Jiangsu Normal University, Xuzhou, 221116, P. R. China.
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13
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Wang HY, Zhong LJ, Lv GF, Li Y, Li JH. Photocatalytic dual decarboxylative alkenylation mediated by triphenylphosphine and sodium iodide. Org Biomol Chem 2020; 18:5589-5593. [PMID: 32677630 DOI: 10.1039/d0ob01242d] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
An efficient photocatalytic dual decarboxylative alkenylation of α,β-unsaturated carboxylic acids and alkyl N-hydroxyphthalimide (NHP) esters mediated by triphenylphosphine and sodium iodide has been developed. This protocol proceeds under 456-nanometer irradiation by visible blue light in the absence of transition metals or organic dye based photoredox catalysts. The reaction is successfully applied to a wide range of redox-active esters derived from aliphatic carboxylic acids (1°, 2° and 3°) and α-amino acids, enabling transformations of diverse α,β-unsaturated carboxylic acids to α,β-alkylated styrenes with high efficiency and excellent selectivity under mild conditions.
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Affiliation(s)
- Hong-Yu Wang
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China.
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Taily IM, Saha D, Banerjee P. Palladium-catalyzed regio- and stereoselective access to allyl ureas/carbamates: facile synthesis of imidazolidinones and oxazepinones. Org Biomol Chem 2020; 18:6564-6570. [PMID: 32789352 DOI: 10.1039/d0ob01514h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Typically, transition metal catalysis enforces the stereodefined outcome of a reaction. Here we disclose the palladium-catalyzed regio- and stereoselective access to allylic ureas/carbamates and their further exploitation to diverse cyclic structures under operationally simple reaction conditions. This protocol features palladium-catalyzed decarboxylative amidation of highly modular VECs with good to excellent yield, minimal waste production, wide substrate scope, and low catalyst loading. In follow-up chemistry, we demonstrated the debenzylation of vinylic imidazolidinones to N-hydroxycyclic ureas and regioselective derivatization towards the facile synthesis of halohydrins and oxiranes under mild reaction conditions in good to excellent yields.
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Affiliation(s)
- Irshad Maajid Taily
- Department of Chemistry, Indian Institute of Technology Ropar, Nangal Road, Rupnagar, Punjab-140001, India.
| | - Debarshi Saha
- Department of Chemistry, Indian Institute of Technology Ropar, Nangal Road, Rupnagar, Punjab-140001, India.
| | - Prabal Banerjee
- Department of Chemistry, Indian Institute of Technology Ropar, Nangal Road, Rupnagar, Punjab-140001, India.
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