1
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Chai TJ, Chiou XS, Lin NX, Kuo YT, Lin CK. In situ generation of acyloxyphosphoniums for mild and efficient synthesis of thioesters. Org Biomol Chem 2023; 21:7541-7545. [PMID: 37676265 DOI: 10.1039/d3ob01318a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/08/2023]
Abstract
We present a novel approach for in situ generation of acyloxyphosphoniums by premixing iodobenzene dicarboxylates and triphenylphosphine, resulting in efficient thioester synthesis (up to 100% yield). Stable solid iodobenzene dicarboxylates, achieved via carboxylate exchange, serve as hypervalent iodine precursors. The resulting acyloxyphosphoniums allow convenient one-pot thioester synthesis under mild conditions. Our method demonstrates facile acyloxyphosphonium production from iodobenzene dicarboxylates and Ph3P, enabling diverse thioester preparation. ESI-MS analysis confirms acyloxyphosphonium ion formation, pivotal in acylation. This strategy holds potential for combinatorial thioester synthesis and broader nucleophile modification applications.
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Affiliation(s)
- Te-Jung Chai
- Department of Chemistry, National Chung Hsing University, Taichung 402, Taiwan.
| | - Xin-Shun Chiou
- Department of Chemistry, National Chung Hsing University, Taichung 402, Taiwan.
| | - Nian-Xuan Lin
- Department of Chemistry, National Chung Hsing University, Taichung 402, Taiwan.
| | - Yu-Tsen Kuo
- Department of Chemistry, National Chung Hsing University, Taichung 402, Taiwan.
| | - Cheng-Kun Lin
- Department of Chemistry, National Chung Hsing University, Taichung 402, Taiwan.
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2
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Doraghi F, Mohaghegh F, Qareaghaj OH, Larijani B, Mahdavi M. Synthesis of N-, O-, and S-heterocycles from aryl/alkyl alkynyl aldehydes. RSC Adv 2023; 13:13947-13970. [PMID: 37181524 PMCID: PMC10167737 DOI: 10.1039/d3ra01778h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Accepted: 04/26/2023] [Indexed: 05/16/2023] Open
Abstract
In the field of heterocyclic synthesis, alkynyl aldehydes serve as privileged reagents for cyclization reactions with other organic compounds to construct a broad spectrum of N-, O-, and S-heterocycles. Due to the immense application of heterocyclic molecules in pharmaceuticals, natural products, and material chemistry, the synthesis of such scaffolds has received wide attention. The transformations occurred under metal-catalyzed, metal-free-promoted, and visible-light-mediated systems. The present review article highlights the progress made in this field over the past two decades.
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Affiliation(s)
- Fatemeh Doraghi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences Tehran Iran
| | - Farid Mohaghegh
- School of Chemistry, College of Science, University of Tehran Tehran Iran
| | | | - Bagher Larijani
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences Tehran Iran
| | - Mohammad Mahdavi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences Tehran Iran
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3
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Mondal S, Di Tommaso EM, Olofsson B. Transition-Metal-Free Difunctionalization of Sulfur Nucleophiles. Angew Chem Int Ed Engl 2023; 62:e202216296. [PMID: 36546892 PMCID: PMC10108051 DOI: 10.1002/anie.202216296] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 12/21/2022] [Accepted: 12/21/2022] [Indexed: 12/24/2022]
Abstract
Efficient protocols for accessing iodo-substituted diaryl and aryl(vinyl) sulfides have been developed using iodonium salts as reactive electrophilic arylation and vinylation reagents. The reactions take place under transition-metal-free conditions, employing odorless and convenient sulfur reagents. A wide variety of functional groups are tolerated in the S-diarylation, enabling the regioselective late-stage application of several heterocycles and drug molecules under mild reaction conditions. A novel S-difunctionalization pathway was discovered using vinyliodonium salts, which proceeds under additive-free reaction conditions and grants excellent stereoselectivity in the synthesis of aryl(vinyl) sulfides. A one-pot strategy combining transition-metal-free diarylation and subsequent reduction provided facile access to electron-rich thioanilines and a direct synthesis of a potential drug candidate derivative. The retained iodo group allows a wide array of further synthetic transformations. Mechanistic insights were elucidated by isolating the key intermediate, and the relevant energy profile was substantiated by DFT calculations.
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Affiliation(s)
- Shobhan Mondal
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, 10691, Stockholm, Sweden
| | - Ester Maria Di Tommaso
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, 10691, Stockholm, Sweden
| | - Berit Olofsson
- Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, 10691, Stockholm, Sweden
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4
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Wang X, Zhao Y, Yang J, Li Y, Luo Y, Xu M, Zhao J. Ynamide-Mediated Thioester Synthesis. J Org Chem 2021; 86:18265-18277. [PMID: 34874737 DOI: 10.1021/acs.joc.1c01949] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A novel ynamide-mediated thioester synthesis strategy was developed. Importantly, no detectable racemization was observed for the thioesterifications of carboxylic acids containing an α-chiral center, enabling it to be useful for the synthesis of peptide thioester, which is the key component of native chemical ligation. It is worth mentioning that amino acid side chain functional groups such as -OH and indole -NH are compatible with the reaction conditions, rendering their protection unnecessary. Moreover, this method was also amenable to selenoesters.
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Affiliation(s)
- Xuewei Wang
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
| | - Yongli Zhao
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
| | - Jinhua Yang
- School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an, Shaanxi 710072, P. R. China
| | - Yanxi Li
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
| | - Ying Luo
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
| | - Mengyao Xu
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China
| | - Junfeng Zhao
- College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, P. R. China.,Key Laboratory of Molecular Target & Clinical Pharmacology and the NMPA & State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, P. R. China
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5
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Li MM, Chen X, Deng Y, Lu J. Recent advances of N-heterocyclic carbenes in the applications of constructing carbo- and heterocyclic frameworks with potential biological activity. RSC Adv 2021; 11:38060-38078. [PMID: 35498096 PMCID: PMC9044055 DOI: 10.1039/d1ra06155k] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Accepted: 11/05/2021] [Indexed: 01/10/2023] Open
Abstract
In recent years, N-heterocyclic carbenes (NHCs) have established themselves as a masterful and promising type of organocatalyst for the speedy construction of medicinally and biologically significant molecules from common and accessible small molecules. In particular, various cyclic scaffolds, including carbocycles and heterocycles, have been synthesized using NHCs via cycloaddition reaction. An exhaustive review focused on the chemistry of NHCs in these cyclic molecules has yet to be reported. In this contribution, a general picture of the utilization of NHCs in constructing twelve kinds of bioactive cyclic skeletons is firstly presented. We provide a systematic and comprehensive overview from the perspective of cycloaddition reactions; moreover, the limitations, challenges, and future prospects were discussed.
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Affiliation(s)
- Mei-Mei Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine Chengdu 611137 China
| | - Xiaozhen Chen
- Chengdu Institute of Biology, Chinese Academy of Sciences Chengdu 610041 China
| | - Yun Deng
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine Chengdu 611137 China
| | - Jun Lu
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine Chengdu 611137 China
- Institute of Integrated Bioinformedicine & Translational Science, Hong Kong Baptist University Shenzhen Research Institute and Continuing Education Shenzhen 518000 China
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6
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Zhao B, Rogge T, Ackermann L, Shi Z. Metal-catalysed C-Het (F, O, S, N) and C-C bond arylation. Chem Soc Rev 2021; 50:8903-8953. [PMID: 34190223 DOI: 10.1039/c9cs00571d] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The formation of C-aryl bonds has been the focus of intensive research over the last decades for the construction of complex molecules from simple, readily available feedstocks. Traditionally, these strategies involve the coupling of organohalides (I, Br, Cl) with organometallic reagents (Mg, Zn, B, Si, Sn,…) such as Kumada-Corriu, Negishi, Suzuki-Miyaura, Hiyama and Sonogashira cross-couplings. More recently, alternative methods have provided access to these products by reactions with less reactive C-Het (F, O, S, N) and C-C bonds. Compared to traditional methods, the direct cleavage and arylation of these chemical bonds, the essential link in accessible feedstocks, has become increasingly important from the viewpoint of step-economy and functional-group compatibility. This comprehensive review aims to outline the development and advances of this topic, which was organized into (1) C-F bond arylation, (2) C-O bond arylation, (3) C-S bond arylation, (4) C-N bond arylation, and (5) C-C bond arylation. Substantial attention has been paid to the strategies and mechanistic investigations. We hope that this review can trigger chemists to discover more efficient methodologies to access arylation products by cleavage of these C-Het and C-C bonds.
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Affiliation(s)
- Binlin Zhao
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China.
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7
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Wang D, He Q, Shi K, Xiong M, Zhou Y, Pan Y. Transition‐Metal‐Free Synthesis of Unsymmetrical Disulfides
via
Three‐Component Reaction of Thiosulfonates, Thiourea and Alkyl halides. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100165] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Dungai Wang
- Department of Chemistry Zhejiang University Hangzhou 310027 People's Republic of China
| | - Quan He
- Department of Chemistry Zhejiang University Hangzhou 310027 People's Republic of China
| | - Keqiang Shi
- Department of Chemistry Zhejiang University Hangzhou 310027 People's Republic of China
| | - Mingteng Xiong
- Department of Chemistry Zhejiang University Hangzhou 310027 People's Republic of China
| | - Yifeng Zhou
- College of Life Sciences China Jiliang University Hangzhou 310018 People's Republic of China
| | - Yuanjiang Pan
- Department of Chemistry Zhejiang University Hangzhou 310027 People's Republic of China
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8
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Xiang K, Zhang S, Liu L, Huang T, Tang Z, Li C, Xu K, Chen T. Tunable C–H arylation and acylation of azoles with carboxylic acids by Pd/Cu cooperative catalysis. Org Chem Front 2021. [DOI: 10.1039/d1qo00380a] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Direct C–H arylation and acylation of azoles with carboxylic acids are achieved selectively through Pd/Cu cooperative catalysis: biaryls are generated selectively with dppp as ligand, while biaryl ketones are obtained with high selectivity using dpph or Ph2PCy as ligand.
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Affiliation(s)
- Kang Xiang
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources
- Hainan Provincial Key Lab of Fine Chem
- Hainan Provincial Fine Chemical Engineering Research Center
- Hainan University
- Haikou
| | - Shuo Zhang
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources
- Hainan Provincial Key Lab of Fine Chem
- Hainan Provincial Fine Chemical Engineering Research Center
- Hainan University
- Haikou
| | - Long Liu
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources
- Hainan Provincial Key Lab of Fine Chem
- Hainan Provincial Fine Chemical Engineering Research Center
- Hainan University
- Haikou
| | - Tianzeng Huang
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources
- Hainan Provincial Key Lab of Fine Chem
- Hainan Provincial Fine Chemical Engineering Research Center
- Hainan University
- Haikou
| | - Zhi Tang
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources
- Hainan Provincial Key Lab of Fine Chem
- Hainan Provincial Fine Chemical Engineering Research Center
- Hainan University
- Haikou
| | - Chunya Li
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources
- Hainan Provincial Key Lab of Fine Chem
- Hainan Provincial Fine Chemical Engineering Research Center
- Hainan University
- Haikou
| | - Kaiqiang Xu
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources
- Hainan Provincial Key Lab of Fine Chem
- Hainan Provincial Fine Chemical Engineering Research Center
- Hainan University
- Haikou
| | - Tieqiao Chen
- Key Laboratory of Ministry of Education for Advanced Materials in Tropical Island Resources
- Hainan Provincial Key Lab of Fine Chem
- Hainan Provincial Fine Chemical Engineering Research Center
- Hainan University
- Haikou
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10
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Wu YT, Zhang R, Duan XY, Yu HF, Sun BY, Qi J. Access to dihydropyrano[3,2- b]pyrrol-5-ones skeletons by N-heterocyclic carbene-catalyzed [3+3] annulations. Chem Commun (Camb) 2020; 56:9854-9857. [PMID: 32840527 DOI: 10.1039/d0cc04661b] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
A novel and efficient NHC-catalyzed [3+3] annulation of enals with pyrrol-4-ones was developed, thus providing the dihydropyrano[3,2-b]pyrrol-5-one core structures with broad scope and good to excellent enantioselectivities. Notably, this strategy could also expand to the synthesis of axially chiral compounds and polysubstituted indoles.
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Affiliation(s)
- Ya-Tong Wu
- Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding 071002, People's Republic of China.
| | - Rui Zhang
- Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding 071002, People's Republic of China.
| | - Xiao-Yong Duan
- Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding 071002, People's Republic of China. and Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Hebei University, Baoding 071002, People's Republic of China
| | - Hai-Fei Yu
- Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding 071002, People's Republic of China.
| | - Bo-Yu Sun
- Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding 071002, People's Republic of China.
| | - Jing Qi
- Key Laboratory of Chemical Biology of Hebei Province, College of Chemistry and Environmental Science, Hebei University, Baoding 071002, People's Republic of China. and Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of Education, Hebei University, Baoding 071002, People's Republic of China
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11
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Molybdenum (VI)-catalyzed dehydrative construction of C O and C S bonds formation via etherification and thioetherification of alcohols and thiols. MOLECULAR CATALYSIS 2020. [DOI: 10.1016/j.mcat.2020.110954] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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12
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Abstract
:
Micellar chemistry is gaining considerable interest among organic chemists because these
reactions are carried out in environmentally benign solvents like water. Owing to the exhaustive use
of toxic solvents in carrying out the different chemical reactions, there is a pressing need for alternative
approaches either environmental friendly or having minimum impact on the environment. In this
article, we aim to discuss the various aspects of micellar chemistry viz-a-viz its role in guiding the
chemical reactions. Micelles help to drive various kinds of organic reactions including oxidations,
reductions, carbon-carbon bond formation, carbon-heteroatom bond formation, multi-component reactions,
Pd-coupling reaction, olefin metathesis reaction, Morita-Baylis-Hillman reaction, etc. in water.
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Affiliation(s)
- Bilal A. Bhat
- Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Sanatnagar, Srinagar 190005, India
| | - Bashir A. Shairgojray
- Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Sanatnagar, Srinagar 190005, India
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13
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Lessi M, Lucci A, Cuzzola A, Bellina F. Imidazo-Fused Isoindoles by Pd(II)/Ag(I)-Promoted Intramolecular Dehydrogenative Coupling. European J Org Chem 2020. [DOI: 10.1002/ejoc.201901618] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Marco Lessi
- Dipartimento di Chimica e Chimica Industriale; Università di Pisa; Via Moruzzi 13 56124 Pisa Italy
| | - Antonio Lucci
- Dipartimento di Chimica e Chimica Industriale; Università di Pisa; Via Moruzzi 13 56124 Pisa Italy
| | - Angela Cuzzola
- Dipartimento di Chimica e Chimica Industriale; Università di Pisa; Via Moruzzi 13 56124 Pisa Italy
| | - Fabio Bellina
- Dipartimento di Chimica e Chimica Industriale; Università di Pisa; Via Moruzzi 13 56124 Pisa Italy
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14
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Wang ZY, Yang T, Wang KK, Chen R, Liu M, Liu H. Oxidative N-heterocyclic carbene-catalyzed [3 + 3] annulation reaction of enals with benzofuran-3-ones: efficient access to benzofuran-fused δ-lactones. Org Chem Front 2020. [DOI: 10.1039/d0qo00161a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A facile route to benzofuran-fused δ-lactones was developed via an N-heterocyclic carbene-catalyzed [3 + 3] annulation reaction, giving the expected products in high yields (up to 99%) with excellent enantioselectivities (up to 98% ee).
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Affiliation(s)
- Zhan-Yong Wang
- College of Chemistry and Chemical Engineering
- Xinxiang University
- Xinxiang 453003
- P. R. China
| | - Ting Yang
- Medical College
- Xinxiang University
- Xinxiang 453003
- P. R. China
| | - Kai-Kai Wang
- College of Chemistry and Chemical Engineering
- Xinxiang University
- Xinxiang 453003
- P. R. China
| | - Rongxiang Chen
- College of Chemistry and Chemical Engineering
- Xinxiang University
- Xinxiang 453003
- P. R. China
| | - Menghan Liu
- College of Chemistry and Chemical Engineering
- Xinxiang University
- Xinxiang 453003
- P. R. China
| | - Hongxin Liu
- College of Chemistry and Materials Engineering
- Wenzhou University
- Wenzhou
- P.R. China
- Institute of New Materials & Industrial Technology
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15
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Anwar M, Yang S, Xu W, Liu J, Perveen S, Kong X, Zehra ST, Fang X. Carbene-catalyzed asymmetric Friedel–Crafts alkylation-annulation sequence and rapid synthesis of indole-fused polycyclic alkaloids. Commun Chem 2019. [DOI: 10.1038/s42004-019-0188-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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16
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Xian J, Chen L, Ye L, Sun Y, Shi Z, Zhao Z, Li X. Enantioselective synthesis of fused dihydropyranones via squaramide-catalyzed Michael addition/lactonization cascade reaction. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.03.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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17
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Chen MM, Shao LY, Lun LJ, Wu YL, Fu XP, Ji YF. Palladium-catalyzed late-stage mono-aroylation of the fully substituted pyrazoles via aromatic C–H bond activation. CHINESE CHEM LETT 2019. [DOI: 10.1016/j.cclet.2018.09.022] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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18
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Li ZL, Wu PY, Sun KK, Cai C. Nickel-catalyzed regioselective C–H acylation of chelating arenes: a new catalytic system for C–C bond formation via a radical process and its mechanistic explorations. NEW J CHEM 2019. [DOI: 10.1039/c9nj02191d] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
An unprecedented acylation at the ortho C–H bond of chelating arenes via the Ni(ii)-catalyzed cross dehydrogenative coupling strategy has been developed here.
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Affiliation(s)
- Ze-lin Li
- College of Chemical Engineering
- Nanjing University of Science & Technology
- Nanjing
- China
| | - Peng-yu Wu
- College of Chemical Engineering
- Nanjing University of Science & Technology
- Nanjing
- China
| | - Kang-kang Sun
- College of Chemical Engineering
- Nanjing University of Science & Technology
- Nanjing
- China
| | - Chun Cai
- College of Chemical Engineering
- Nanjing University of Science & Technology
- Nanjing
- China
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19
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Lang M, Wang J. A carbene-catalyzed tandem isomerization/cyclisation strategy: an efficient assembly of benzoxazinones. Org Chem Front 2019. [DOI: 10.1039/c9qo00094a] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
An unprecedented example of NHC-catalyzed tandem isomerization/cyclisation is reported to synthesize benzoxazinones.
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Affiliation(s)
- Ming Lang
- School of Pharmaceutical Sciences
- Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education)
- Tsinghua University
- Beijing
- China
| | - Jian Wang
- School of Pharmaceutical Sciences
- Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education)
- Tsinghua University
- Beijing
- China
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20
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Wu Z, Jiang D, Wang J. Carbene-catalyzed oxidative acylation promoted by an unprecedented oxidant CCl 3CN. Org Chem Front 2019. [DOI: 10.1039/c8qo01420e] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
An unprecedented example of a NHC-catalyzed acylation reaction is promoted by CCl3CN as an oxidant.
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Affiliation(s)
- Zijun Wu
- School of Pharmaceutical Sciences
- Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education)
- Tsinghua University
- Beijing
- China
| | - Di Jiang
- School of Pharmaceutical Sciences
- Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education)
- Tsinghua University
- Beijing
- China
| | - Jian Wang
- School of Pharmaceutical Sciences
- Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education)
- Tsinghua University
- Beijing
- China
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21
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Lu X, Fu F, Gao R, Liu H, Wang H, Xiao J. Environmentally friendly synthesis of unsymmetrical dialkyl disulfides by reacting organic halides with thiourea and sodium thiosulfate in an aqueous medium. NEW J CHEM 2019. [DOI: 10.1039/c9nj03024g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The developed synthetic procedure is economical and environmentally friendly. It also avoids using toxic organic solvents, and an oxidant or a reductant.
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Affiliation(s)
- Xiaogang Lu
- State Key Laboratory of NBC Protection for Civilian
- Beijing 102205
- China
| | - Feiyan Fu
- State Key Laboratory of NBC Protection for Civilian
- Beijing 102205
- China
| | - Runli Gao
- State Key Laboratory of NBC Protection for Civilian
- Beijing 102205
- China
| | - Haibo Liu
- State Key Laboratory of NBC Protection for Civilian
- Beijing 102205
- China
| | - Hongmei Wang
- State Key Laboratory of NBC Protection for Civilian
- Beijing 102205
- China
| | - Junhua Xiao
- State Key Laboratory of NBC Protection for Civilian
- Beijing 102205
- China
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22
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Sun K, Jin S, Fang S, Ma R, Zhang X, Gao M, Zhang W, Lu T, Du D. N-Heterocyclic carbene-catalyzed formal [3 + 3] annulation of alkynoic acid esters with indolin-3-ones: access to functionalized pyrano[3,2-b]indol-2-ones. Org Chem Front 2019. [DOI: 10.1039/c9qo00468h] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The structurally interesting pyrano[3,2-b]indol-2-ones were synthesized by an N-heterocyclic carbene-catalyzed formal [3 + 3] annulation of alkynoic acid esters.
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Affiliation(s)
- Kewen Sun
- State Key Laboratory of Natural Medicines
- Department of Organic Chemistry
- China Pharmaceutical University
- Nanjing
- P. R. China
| | - Shiyi Jin
- State Key Laboratory of Natural Medicines
- Department of Organic Chemistry
- China Pharmaceutical University
- Nanjing
- P. R. China
| | - Shuaishuai Fang
- State Key Laboratory of Natural Medicines
- Department of Organic Chemistry
- China Pharmaceutical University
- Nanjing
- P. R. China
| | - Rui Ma
- State Key Laboratory of Natural Medicines
- Department of Organic Chemistry
- China Pharmaceutical University
- Nanjing
- P. R. China
| | - Xinmiao Zhang
- State Key Laboratory of Natural Medicines
- Department of Organic Chemistry
- China Pharmaceutical University
- Nanjing
- P. R. China
| | - Maoyu Gao
- State Key Laboratory of Natural Medicines
- Department of Organic Chemistry
- China Pharmaceutical University
- Nanjing
- P. R. China
| | - Wanqi Zhang
- State Key Laboratory of Natural Medicines
- Department of Organic Chemistry
- China Pharmaceutical University
- Nanjing
- P. R. China
| | - Tao Lu
- State Key Laboratory of Natural Medicines
- Department of Organic Chemistry
- China Pharmaceutical University
- Nanjing
- P. R. China
| | - Ding Du
- State Key Laboratory of Natural Medicines
- Department of Organic Chemistry
- China Pharmaceutical University
- Nanjing
- P. R. China
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23
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Chen K, Gao Z, Ye S. (Dynamic) Kinetic Resolution of Enamines/Imines: Enantioselective N‐Heterocyclic Carbene Catalyzed [3+3] Annulation of Bromoenals and Enamines/Imines. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201813047] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Kun‐Quan Chen
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular SciencesInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Zhong‐Hua Gao
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular SciencesInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
| | - Song Ye
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular SciencesInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
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24
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Monfared A, Ahmadi S, Rahmani Z, Nezhad PDK, Hosseinian A. Odorless, convenient and one-pot synthesis of thioethers from organic halides and thiourea. J Sulphur Chem 2018. [DOI: 10.1080/17415993.2018.1540699] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Aazam Monfared
- Department of Chemistry, Payame Noor University, Tehran, Iran
| | - Sheida Ahmadi
- Department of Chemistry, Payame Noor University, Tehran, Iran
| | - Zahra Rahmani
- Department of Chemistry, Tabriz Branch, Islamic Azad University, Tabriz, Iran
| | | | - Akram Hosseinian
- School of Engineering Science, College of Engineering, University of Tehran, Tehran, Iran
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25
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Shao LY, Xu Z, Wang CY, Fu XP, Chen MM, Liu HW, Ji YF. Palladium-catalyzed direct mono-aroylation of O-arylmethyl and aryl-substituted acetoxime ethers. Org Biomol Chem 2018; 16:6284-6294. [PMID: 30116808 DOI: 10.1039/c8ob01400k] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
An efficient palladium-catalyzed ortho-aroylation of O-arylmethyl and aryl-substituted acetoxime ethers has been developed; this method has high mono-site selectivity and does not require exogenous ligands. Under the direction of a simple exo-acetoxime auxiliary, a broad scope of masked arylmethyl alcohols and phenols as well as various aromatic aldehydes are compatible with this transformation, which probably follows a mechanistic pathway involving a six- or five-membered exo-cyclopalladated intermediate. The strategy can be expediently adopted to prepare synthetically valuable 1H-benzo[d][1,2]oxazines and benzo[d]isoxazoles. The directing group can be easily removed from the products to afford the functionalized diaryl ketones.
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Affiliation(s)
- Ling-Yan Shao
- School of Pharmacy, East China University of Science & Technology, 130 Meilong Road, Shanghai 200237, P. R. China.
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26
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Lang M, Jia Q, Wang J. N-Heterocyclic Carbene-Catalyzed Annulation of Ylides with Ynals: Direct Access to α-Pyrones. Chem Asian J 2018; 13:2427-2430. [DOI: 10.1002/asia.201800595] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Revised: 05/15/2018] [Indexed: 11/08/2022]
Affiliation(s)
- Ming Lang
- School of Pharmaceutical Sciences, Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education); Tsinghua University; Beijing 100084 P. R. China
| | - Qianfa Jia
- School of Pharmaceutical Sciences, Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education); Tsinghua University; Beijing 100084 P. R. China
| | - Jian Wang
- School of Pharmaceutical Sciences, Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education); Tsinghua University; Beijing 100084 P. R. China
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27
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Sobenina LN, Tomilin DN, Gotsko MD, Ushakov IA, Trofimov BA. Transition metal-free cross-coupling of furan ring with haloacetylenes. Tetrahedron 2018; 74:1565-1570. [PMID: 32287432 PMCID: PMC7127138 DOI: 10.1016/j.tet.2018.02.024] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 02/08/2018] [Accepted: 02/09/2018] [Indexed: 12/03/2022]
Abstract
On the example of menthofuran, a naturally abundant compound, it has been shown for the first time that the furan ring can be readily cross-coupled with acylhaloacetylenes in the solid Al2O3 powder at room temperature to afford the corresponding 2-ethynyl derivatives in up to 88% yield. The reaction represents a ring closing/ring opening process that includes reversible formation of the intermediate cycloadducts further producing acetylene derivatives with elimination of HHal.
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Affiliation(s)
- Lyubov N Sobenina
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, 1 Favorsky Str., 664033, Irkutsk, Russian Federation
| | - Denis N Tomilin
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, 1 Favorsky Str., 664033, Irkutsk, Russian Federation
| | - Maxim D Gotsko
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, 1 Favorsky Str., 664033, Irkutsk, Russian Federation
| | - Igor A Ushakov
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, 1 Favorsky Str., 664033, Irkutsk, Russian Federation
| | - Boris A Trofimov
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, 1 Favorsky Str., 664033, Irkutsk, Russian Federation
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28
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Liao YS, Liang CF. One-pot synthesis of thioesters with sodium thiosulfate as a sulfur surrogate under transition metal-free conditions. Org Biomol Chem 2018; 16:1871-1881. [PMID: 29473084 DOI: 10.1039/c8ob00178b] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
In this paper, we report an efficient synthetic method for thioester formation from sodium thiosulfate pentahydrate, organic halides, and aryl anhydrides. In the one-pot two-step reactions developed in this study, sodium thiosulfate was used as the sulfur surrogate for acylation with anhydrides, followed by substitution with organic halides through the in situ generation of thioaroylate. Furthermore, two important organic compounds could be successfully synthesized using our developed method. The advantages of the one-pot two-step reactions are operational simplicity, structurally diverse products with 42%-90% yields, use of relatively low toxic and odourless reagents, and easy applicability to large-scale operation.
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Affiliation(s)
- Yen-Sen Liao
- Department of Chemistry, National Chung Hsing University, Taichung 402, Taiwan.
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29
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Kuribayashi S, Kurioka T, Inagi S, Lu HJ, Uang BJ, Fuchigami T. The selective electrochemical fluorination of S-alkyl benzothioate and its derivatives. Beilstein J Org Chem 2018. [PMID: 29520303 PMCID: PMC5827776 DOI: 10.3762/bjoc.14.27] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
We herein report that the regioselective anodic fluorination of S-alkyl benzothioate and its derivatives in various aprotic solvents using Et3N·nHF (n = 3–5) and Et4NF·nHF (n = 3–5) as supporting electrolyte and a fluorine source successfully provided the corresponding α-fluorinated products in moderate yields. Dichloromethane containing Et4NF·4HF was found to be the most suitable combination as electrolytic solvent and supporting salt as well as fluorine source for the anodic fluorination. The electrochemical fluorination of cyclic benzothioates such as benzothiophenone was also achieved.
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Affiliation(s)
- Shunsuke Kuribayashi
- Department of Electronic Chemistry, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama 226-8502, Japan
| | - Tomoyuki Kurioka
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama 226-8502, Japan
| | - Shinsuke Inagi
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama 226-8502, Japan
| | - Ho-Jung Lu
- Department of Chemistry, National Tsing Hua University, 101, Sec 2, Kuang Fu Rd., Hsinchu 300, Taiwan, R.O.C
| | - Biing-Jiun Uang
- Department of Chemistry, National Tsing Hua University, 101, Sec 2, Kuang Fu Rd., Hsinchu 300, Taiwan, R.O.C
| | - Toshio Fuchigami
- Department of Electronic Chemistry, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama 226-8502, Japan
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30
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Yang Y, Ye Z, Zhang X, Zhou Y, Ma X, Cao H, Li H, Yu L, Xu Q. Efficient dehydrative alkylation of thiols with alcohols catalyzed by alkyl halides. Org Biomol Chem 2018; 15:9638-9642. [PMID: 29115334 DOI: 10.1039/c7ob02461d] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Alcohols can be efficiently converted into the useful thioethers by a transition metal- and base-free dehydrative S-alkylation reaction with thiols or disulfides by employing alkyl halides as the effective catalyst. This simple and efficient method is a green and practical way for the preparation of thioethers, as it tolerates a wide range of substrates such as aryl and alkyl thiols, as well as benzylic, allylic, secondary, tertiary, and even the less reactive aliphatic alcohols.
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Affiliation(s)
- Yaqi Yang
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, P. R. China.
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31
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Hajipour AR, Fakhari F, Nabi Bidhendi G. A novel heterogeneous nanocatalyst: 2-Methoxy-1-phenylethanone functionalized MCM-41 supported Cu(II) complex for C-S coupling of aryl halides with thiourea. Appl Organomet Chem 2018. [DOI: 10.1002/aoc.4270] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Abdol R. Hajipour
- Pharmaceutical Research Laboratory, Department of Chemistry; Isfahan University of Technology; Isfahan 84156 Islamic Republic of Iran
- Department of Pharmacology; University of Wisconsin, Medical School; 1300 University, Avenue Madison 53706-1532 WI USA
- College of Pardis, Chemistry Section; Isfahan University of Technology; Isfahan 84156-83111 Islamic Republic of Iran
| | - Farzaneh Fakhari
- College of Pardis, Chemistry Section; Isfahan University of Technology; Isfahan 84156-83111 Islamic Republic of Iran
| | - Gholamreza Nabi Bidhendi
- Faculty of Environment; University of Tehran; Azin Avenue, Ghods Street, Enghelab Square Tehran Islamic Republic of Iran
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32
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Fang C, Cao J, Sun K, Zhu J, Lu T, Du D. Direct and Enantioselective Synthesis of N-H-Free 1,5-Benzodiazepin-2-ones by an N-Heterocyclic Carbene Catalyzed [3+4] Annulation Reaction. Chemistry 2018; 24:2103-2108. [PMID: 29236349 DOI: 10.1002/chem.201705050] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Indexed: 01/14/2023]
Abstract
An NHC-catalyzed formal [3+4] annulation of α,β-unsaturated acylazoliums with protecting-group-free aryl 1,2-diamines was developed for a direct and highly enantioselective synthesis of 4-aryl N-H-free 1,5-benzodiazepin-2-ones. This methodology offers an efficient and rapid access to a wide range of enantioenriched target compounds from easily accessible starting materials. The protocol is also scalable and the desired products can easily undergo subsequent N-functionalization to afford diverse N-substituted derivatives. Additionally, a mechanism was proposed to explain the high enantioselectivity in this process.
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Affiliation(s)
- Chao Fang
- State Key Laboratory of Natural Medicines, Department of Organic Chemistry, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Jing Cao
- State Key Laboratory of Natural Medicines, Department of Organic Chemistry, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Kewen Sun
- State Key Laboratory of Natural Medicines, Department of Organic Chemistry, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Jindong Zhu
- State Key Laboratory of Natural Medicines, Department of Organic Chemistry, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Tao Lu
- State Key Laboratory of Natural Medicines, Department of Organic Chemistry, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Ding Du
- State Key Laboratory of Natural Medicines, Department of Organic Chemistry, China Pharmaceutical University, Nanjing, 210009, P. R. China
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33
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Xie Y, Wang J. N-Heterocyclic carbene-catalyzed annulation of ynals with amidines: access to 1,2,6-trisubstituted pyrimidin-4-ones. Chem Commun (Camb) 2018; 54:4597-4600. [DOI: 10.1039/c8cc02023j] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A thiazolium-catalyzed annulation of ynals and amidines has been reported to construct pyrimidin-4-ones.
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Affiliation(s)
- Yangxi Xie
- School of Pharmaceutical Sciences
- Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education)
- Tsinghua University
- Beijing
- China
| | - Jian Wang
- School of Pharmaceutical Sciences
- Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education)
- Tsinghua University
- Beijing
- China
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34
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Hasan M, Khunsin W, Mavrokefalos CK, Maier SA, Rohan JF, Foord JS. Facile Electrochemical Synthesis of Pd Nanoparticles with Enhanced Electrocatalytic Properties from Surfactant-Free Electrolyte. ChemElectroChem 2017. [DOI: 10.1002/celc.201701132] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Maksudul Hasan
- Department of Chemistry, Chemistry Research Laboratory; University of Oxford; Mansfield Road Oxford OX1 3TA England, UK
- Tyndall National Institute; University College Cork; Lee Maltings, Cork Ireland
| | - Worawut Khunsin
- Department of Physics; Imperial College London; London SW7 2AZ England, UK
| | - Christos K. Mavrokefalos
- Department of Chemistry, Chemistry Research Laboratory; University of Oxford; Mansfield Road Oxford OX1 3TA England, UK
| | - Stefan A. Maier
- Department of Physics; Imperial College London; London SW7 2AZ England, UK
| | - James F. Rohan
- Tyndall National Institute; University College Cork; Lee Maltings, Cork Ireland
| | - John S. Foord
- Department of Chemistry, Chemistry Research Laboratory; University of Oxford; Mansfield Road Oxford OX1 3TA England, UK
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35
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Chou YL, Jhong Y, Swain SP, Hou DR. Microwave-Assisted Direct Thioesterification of Carboxylic Acids. J Org Chem 2017; 82:10201-10208. [PMID: 28875699 DOI: 10.1021/acs.joc.7b01705] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
A one-pot synthesis of thioesters directly from carboxylic acids, N,N'-diphenylthiourea, triethylamine, and primary alkyl halides is described. Microwave-assisted heating and a catalytic amount of 4-(dimethylamino)pyridine (DMAP) further improved the yields. Both aromatic and aliphatic carboxylic acids were converted to the corresponding thioesters, and many functional groups were compatible with this reaction. Several possible reaction intermediates were investigated, and the quaternary ammonium salts, derived from alkyl halides and tertiary amines, were the intermediates to yield thioesters. A new reaction mechanism for this thioesterification is proposed.
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Affiliation(s)
- Yen-Lin Chou
- Department of Chemistry, National Central University , No. 300 Jhong-Da Road, Jhong-li, Taoyuan, Taiwan 32001
| | - Yi Jhong
- Department of Chemistry, National Central University , No. 300 Jhong-Da Road, Jhong-li, Taoyuan, Taiwan 32001
| | - Sharada Prasanna Swain
- Department of Chemistry, National Central University , No. 300 Jhong-Da Road, Jhong-li, Taoyuan, Taiwan 32001
| | - Duen-Ren Hou
- Department of Chemistry, National Central University , No. 300 Jhong-Da Road, Jhong-li, Taoyuan, Taiwan 32001
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36
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Jadhav S, Rashinkar G, Salunkhe R, Kumbhar A. Transition metal-free Suzuki type cross-coupling reaction for the synthesis of dissymmetric ketones. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.06.048] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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37
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Zhang W, Xu J, Cao J, Fang C, Zhu J, Lu T, Du D. N -heterocyclic carbene-mediated formal [3+3] annulation of isatin-derived α, β-unsaturated acids: Access to functionalized 3,4′-spirooxindole δ -lactones. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.04.055] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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38
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Gvozdev VD, Shavrin KN, Baskir EG, Egorov MP, Nefedov OM. Selective one-pot synthesis of 11-arylmethylidene-11 H -isoindolo-[2,1- a ]benzimidazoles and 6-arylbenzimidazo[2,1- a ]isoquinolines from o -alkynylbenzaldehydes and o -diaminobenzenes. MENDELEEV COMMUNICATIONS 2017. [DOI: 10.1016/j.mencom.2017.05.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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39
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Perumgani PC, Parvathaneni SP, Keesara S, Mandapati MR. Polystyrene-supported Pd(II) complex-catalysed carboacylation of 2-arylpyridines with alcohols via C─H bond activation under solvent-free conditions. Appl Organomet Chem 2017. [DOI: 10.1002/aoc.3581] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Pullaiah C. Perumgani
- Catalysis Laboratory, Inorganic and Physical Chemistry Division; CSIR - Indian Institute of Chemical Technology (IICT); Tarnaka Hyderabad 500 607 India
| | - Sai Prathima Parvathaneni
- Catalysis Laboratory, Inorganic and Physical Chemistry Division; CSIR - Indian Institute of Chemical Technology (IICT); Tarnaka Hyderabad 500 607 India
| | - Srinivas Keesara
- School of Chemistry; University of Hyderabad; Hyderabad 500 046 India
| | - Mohan Rao Mandapati
- Catalysis Laboratory, Inorganic and Physical Chemistry Division; CSIR - Indian Institute of Chemical Technology (IICT); Tarnaka Hyderabad 500 607 India
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40
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Chen XY, Chen KQ, Sun DQ, Ye S. N-Heterocyclic carbene-catalyzed oxidative [3 + 2] annulation of dioxindoles and enals: cross coupling of homoenolate and enolate. Chem Sci 2017; 8:1936-1941. [PMID: 28451308 PMCID: PMC5384455 DOI: 10.1039/c6sc04135c] [Citation(s) in RCA: 102] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2016] [Accepted: 10/31/2016] [Indexed: 12/23/2022] Open
Abstract
The N-heterocyclic carbene-catalyzed oxidative [3 + 2] annulation of dioxindole and enals was developed, giving the corresponding spirocyclic oxindole-γ-lactones in good yields with high to excellent diastereo- and enantioselectivities. The challenging aliphatic enals worked effectively using this strategy. The oxidative cross coupling of homoenolate and enolate via single electron transfer was proposed as the key step for the reaction.
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Affiliation(s)
- Xiang-Yu Chen
- Beijing National Laboratory for Molecular Sciences , CAS Key Laboratory of Molecular Recognition and Function , Institute of Chemistry , Chinese Academy of Sciences , Beijing 100190 , China .
- University of Chinese Academy of Sciences , Beijing 100049 , P. R. China
| | - Kun-Quan Chen
- Beijing National Laboratory for Molecular Sciences , CAS Key Laboratory of Molecular Recognition and Function , Institute of Chemistry , Chinese Academy of Sciences , Beijing 100190 , China .
- Marine College , Shandong University at Weihai , Wenhua West Road, No. 180 , Weihai 264209 , China .
| | - De-Qun Sun
- Marine College , Shandong University at Weihai , Wenhua West Road, No. 180 , Weihai 264209 , China .
| | - Song Ye
- Beijing National Laboratory for Molecular Sciences , CAS Key Laboratory of Molecular Recognition and Function , Institute of Chemistry , Chinese Academy of Sciences , Beijing 100190 , China .
- University of Chinese Academy of Sciences , Beijing 100049 , P. R. China
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41
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Yuan H, Zhang L, Liu Z, Liu Y, Wang J, Li W. A NHC-catalyzed 1,3-dipolar cycloaddition reaction of allyl ketones with azides: direct access to 1,4,5-trisubstituted 1,2,3-triazoles. Org Biomol Chem 2017; 15:4286-4290. [DOI: 10.1039/c7ob00906b] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A NHC-catalyzed 1,3-dipolar cycloaddition reaction of allyl ketones with azides has been developed. This strategy could generate 1,4,5-trisubstituted 1,2,3-triazoles in high yields and regioselectivities in the presence of a 20 mol% N-heterocyclic carbene catalyst. A broad substrate scope of this process is also presented.
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Affiliation(s)
- Huijun Yuan
- Department of Medicinal Chemistry
- School of Pharmacy
- Qingdao University
- Qingdao
- China
| | - Lili Zhang
- Department of Medicinal Chemistry
- School of Pharmacy
- Qingdao University
- Qingdao
- China
| | - Zhantao Liu
- Department of Medicinal Chemistry
- School of Pharmacy
- Qingdao University
- Qingdao
- China
| | - Yang Liu
- Department of Medicinal Chemistry
- School of Pharmacy
- Qingdao University
- Qingdao
- China
| | - Jian Wang
- School of Chemical & Environmental Engineering
- Wuyi University
- Jiangmen
- China
- School of Pharmaceutical Sciences
| | - Wenjun Li
- Department of Medicinal Chemistry
- School of Pharmacy
- Qingdao University
- Qingdao
- China
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42
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Xu J, Cao J, Fang C, Lu T, Du D. Organocatalytic C–C bond activation of cyclopropenones for ring-opening formal [3 + 2] cycloaddition with isatins. Org Chem Front 2017. [DOI: 10.1039/c6qo00734a] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cyclopropenones were first applied as potential 3C synthons in ring-opening formal cycloaddition with isatins via an organocatalytic C–C bond activation strategy.
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Affiliation(s)
- Junyu Xu
- State Key Laboratory of Natural Medicines
- Department of Organic Chemistry
- China Pharmaceutical University
- Nanjing
- P. R. China
| | - Jing Cao
- State Key Laboratory of Natural Medicines
- Department of Organic Chemistry
- China Pharmaceutical University
- Nanjing
- P. R. China
| | - Chao Fang
- State Key Laboratory of Natural Medicines
- Department of Organic Chemistry
- China Pharmaceutical University
- Nanjing
- P. R. China
| | - Tao Lu
- State Key Laboratory of Natural Medicines
- Department of Organic Chemistry
- China Pharmaceutical University
- Nanjing
- P. R. China
| | - Ding Du
- State Key Laboratory of Natural Medicines
- Department of Organic Chemistry
- China Pharmaceutical University
- Nanjing
- P. R. China
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43
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Selvaraju M, Wang YL, Sun CM. Ruthenium(ii)-catalyzed C–H alkenylation/annulation cascade for the rapid synthesis of benzoimidazoisoindoles. Org Chem Front 2017. [DOI: 10.1039/c7qo00136c] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A one pot synthesis of benzimidazole-fused isoindoles from 2-arylbenzimidazole and conjugated alkenes has been explored. The strategy involved the ruthenium-catalyzed formation of C–C and C–N bonds and a new five-membered ring.
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Affiliation(s)
- Manikandan Selvaraju
- Department of Applied Chemistry
- National Chiao-Tung University
- Hsinchu 300-10
- Republic of China
| | - Ying-Lien Wang
- Department of Applied Chemistry
- National Chiao-Tung University
- Hsinchu 300-10
- Republic of China
| | - Chung-Ming Sun
- Department of Applied Chemistry
- National Chiao-Tung University
- Hsinchu 300-10
- Republic of China
- Department of Medicinal and Applied Chemistry
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44
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Liang Y, Jiang YY, Liu Y, Bi S. Mechanism of Pd-catalyzed acylation/alkenylation of aryl iodide: a DFT study. Org Biomol Chem 2017; 15:6147-6156. [DOI: 10.1039/c7ob01021d] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The detailed mechanism of the Pd(0)-catalyzed cross-coupling of aryl iodide, benzoic anhydride and ethyl acrylate was clarified by theoretical methods.
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Affiliation(s)
- Yujie Liang
- College of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- P. R. China
| | - Yuan-Ye Jiang
- College of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- P. R. China
| | - Yuxia Liu
- College of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- P. R. China
| | - Siwei Bi
- College of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- P. R. China
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45
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Lin YM, Lu GP, Wang GX, Yi WB. Acid/Phosphide-Induced Radical Route to Alkyl and Alkenyl Sulfides and Phosphonothioates from Sodium Arylsulfinates in Water. J Org Chem 2016; 82:382-389. [DOI: 10.1021/acs.joc.6b02459] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Ya-mei Lin
- Chemical Engineering College, Nanjing University of Science & Technology, Xiaolingwei 200, Nanjing 210094, China
| | - Guo-ping Lu
- Chemical Engineering College, Nanjing University of Science & Technology, Xiaolingwei 200, Nanjing 210094, China
| | - Gui-xiang Wang
- Chemical Engineering College, Nanjing University of Science & Technology, Xiaolingwei 200, Nanjing 210094, China
| | - Wen-bin Yi
- Chemical Engineering College, Nanjing University of Science & Technology, Xiaolingwei 200, Nanjing 210094, China
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46
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Yi L, Chen KQ, Liang ZQ, Sun DQ, Ye S. N-Heterocyclic Carbene-Catalyzed [3+3] Annulation of Indoline-2-thiones with Bromoenals: Synthesis of Indolo[2,3-b]dihydrothiopyranones. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201600726] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Liang Yi
- Marine College; Shandong University at Weihai; 180 Wenhua West Road Weihai 264209 People's Republic of China
- Beijing National Laboratory for Molecular Science, Key Laboratory of Molecular Recognition and Functional, Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 People's Republic of China
| | - Kun-Quan Chen
- Beijing National Laboratory for Molecular Science, Key Laboratory of Molecular Recognition and Functional, Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 People's Republic of China
- University of Chinese Academy of Sciences; Beijing 100049 People's Republic of China
| | - Zhi-Qin Liang
- Beijing National Laboratory for Molecular Science, Key Laboratory of Molecular Recognition and Functional, Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 People's Republic of China
- University of Chinese Academy of Sciences; Beijing 100049 People's Republic of China
| | - De-Qun Sun
- Marine College; Shandong University at Weihai; 180 Wenhua West Road Weihai 264209 People's Republic of China
| | - Song Ye
- Beijing National Laboratory for Molecular Science, Key Laboratory of Molecular Recognition and Functional, Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 People's Republic of China
- University of Chinese Academy of Sciences; Beijing 100049 People's Republic of China
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47
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Lin YM, Lu GP, Wang GX, Yi WB. Odorless, Regioselective Synthesis of Diaryl Sulfides and α-Thioaryl Carbonyls from Sodium Arylsulfinates via
a Metal- Free Radical Strategy in Water. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201600846] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Ya-mei Lin
- Chemical Engineering College; Nanjing University of Science and Technology; Nanjing 210094 People's Republic of China
| | - Guo-ping Lu
- Chemical Engineering College; Nanjing University of Science and Technology; Nanjing 210094 People's Republic of China
| | - Gui-xiang Wang
- Chemical Engineering College; Nanjing University of Science and Technology; Nanjing 210094 People's Republic of China
| | - Wen-bin Yi
- Chemical Engineering College; Nanjing University of Science and Technology; Nanjing 210094 People's Republic of China
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48
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Perumgani PC, Parvathaneni SP, Keesara S, Mandapati MR. Recyclable Pd(II)complex catalyzed oxidative sp2 CH bond acylation of 2-aryl pyridines with toluene derivatives. J Organomet Chem 2016. [DOI: 10.1016/j.jorganchem.2016.08.028] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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49
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Wang L, Zhu G, Tang W, Lu T, Du D. DMAP-promoted in situ activation of bromoacetic acid as a 2-carbon synthon for facile synthesis of pyridines and fused pyridin-2-ones. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.08.062] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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50
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Yang L, Huang W, He XH, Yang MC, Li X, He G, Peng C, Han B. Stereoselective Synthesis of Hydropyrano[3,2-b
]indoles via
Organocatalytic Asymmetric Inverse-Electron-Demand Oxa-Diels-Alder Reaction. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201600465] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Lei Yang
- State Key Laboratory Breeding Base of Systematic Research; Development and Utilization of Chinese Medicine Resources; Chengdu University of Traditional Chinese Medicine; Chengdu 611137 People's Republic of China
| | - Wei Huang
- State Key Laboratory Breeding Base of Systematic Research; Development and Utilization of Chinese Medicine Resources; Chengdu University of Traditional Chinese Medicine; Chengdu 611137 People's Republic of China
| | - Xiang-Hong He
- State Key Laboratory Breeding Base of Systematic Research; Development and Utilization of Chinese Medicine Resources; Chengdu University of Traditional Chinese Medicine; Chengdu 611137 People's Republic of China
| | - Ming-Cheng Yang
- State Key Laboratory Breeding Base of Systematic Research; Development and Utilization of Chinese Medicine Resources; Chengdu University of Traditional Chinese Medicine; Chengdu 611137 People's Republic of China
| | - Xiang Li
- State Key Laboratory Breeding Base of Systematic Research; Development and Utilization of Chinese Medicine Resources; Chengdu University of Traditional Chinese Medicine; Chengdu 611137 People's Republic of China
| | - Gu He
- State Key Laboratory of Biotherapy; West China Hospital; Sichuan University; Chengdu 610041 People's Republic of China
| | - Cheng Peng
- State Key Laboratory Breeding Base of Systematic Research; Development and Utilization of Chinese Medicine Resources; Chengdu University of Traditional Chinese Medicine; Chengdu 611137 People's Republic of China
| | - Bo Han
- State Key Laboratory Breeding Base of Systematic Research; Development and Utilization of Chinese Medicine Resources; Chengdu University of Traditional Chinese Medicine; Chengdu 611137 People's Republic of China
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