1
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Madasamy K, Balakrishnan MH, Korivi R, Mannathan S. Trifluoroacetic Acid-Mediated Denitrogenative ortho-Hydroxylation of 1,2,3-Benzotriazin-4(3 H)-ones: A Metal-Free Approach. J Org Chem 2022; 87:8752-8756. [PMID: 35700398 DOI: 10.1021/acs.joc.2c00354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An efficient trifluoroacetic acid-mediated denitrogenative hydroxylation of 1,2,3-benzotriazin-4(3H)-ones is described. This metal-free approach is compatible with a wide range of 1,2,3-benzotriazin-4(3H)-ones, affording ortho-hydroxylated benzamides in good to high yields with a short reaction time. The reaction is believed to proceed via a benzene diazonium intermediate. The synthetic utility of the reaction was successfully demonstrated by the preparation of an antimicrobial drug, Riparin C, and benzoxazine-2,4(3H)-diones in good yields.
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Affiliation(s)
- Kanagaraj Madasamy
- Department of Chemistry, SRM University, AP, Amaravati, Andhra Pradesh 522 502, India
| | - Madasamy Hari Balakrishnan
- Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur, Chennai 603 203, India
| | - Ramaraju Korivi
- Department of Chemistry, SRM University, AP, Amaravati, Andhra Pradesh 522 502, India
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2
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Luo F, He S, Gou Q, Chen J, Zhang M. Palladium-catalyzed ortho-C-H hydroxylation of benzoic acids. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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3
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Topolovčan N, Duplić F, Gredičak M. Influence of
N
‐Substitution in 3‐Alkyl‐3‐hydroxyisoindolin‐1‐ones on the Stereoselectivity of Brønsted Acid‐Catalyzed Synthesis of 3‐Methyleneisoindolin‐1‐ones. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Nikola Topolovčan
- Division of Organic Chemistry and Biochemistry Ruđer Bošković Institute Bijenička cesta 54 10000 Zagreb Croatia
| | - Filip Duplić
- Division of Organic Chemistry and Biochemistry Ruđer Bošković Institute Bijenička cesta 54 10000 Zagreb Croatia
| | - Matija Gredičak
- Division of Organic Chemistry and Biochemistry Ruđer Bošković Institute Bijenička cesta 54 10000 Zagreb Croatia
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4
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Xiong F, Li B, Yang C, Zou L, Ma W, Gu L, Mei R, Ackermann L. Copper-mediated oxidative C-H/N-H activations with alkynes by removable hydrazides. Beilstein J Org Chem 2021; 17:1591-1599. [PMID: 34290838 PMCID: PMC8275871 DOI: 10.3762/bjoc.17.113] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Accepted: 07/02/2021] [Indexed: 11/23/2022] Open
Abstract
The efficient copper-mediated oxidative C-H alkynylation of benzhydrazides was accomplished with terminal alkynes. Thus, a heteroaromatic removable N-2-pyridylhydrazide allowed for domino C-H/N-H functionalization. The approach featured remarkable functional group compatibility and ample substrate scope. Thereby, highly functionalized aromatic and heteroaromatic isoindolin-1-ones were accessed with high efficacy with rate-limiting C-H cleavage.
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Affiliation(s)
- Feng Xiong
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, College of Food and Biological Engineering, Chengdu University, Chengdu 610106, P.R. China
| | - Bo Li
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610052, P.R. China
| | - Chenrui Yang
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, College of Food and Biological Engineering, Chengdu University, Chengdu 610106, P.R. China
| | - Liang Zou
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, College of Food and Biological Engineering, Chengdu University, Chengdu 610106, P.R. China
| | - Wenbo Ma
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610052, P.R. China
| | - Linghui Gu
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610052, P.R. China
| | - Ruhuai Mei
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, College of Food and Biological Engineering, Chengdu University, Chengdu 610106, P.R. China.,Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610052, P.R. China
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany and 4Wöhler Research Institute for Sustainable Chemistry (WISCh), Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
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5
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Nie XD, Han XL, Sun JT, Si CM, Wei BG, Lin GQ. Nickel-Catalyzed Regioselective Hydroamination of Ynamides with Secondary Amines. J Org Chem 2021; 86:3433-3443. [DOI: 10.1021/acs.joc.0c02807] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Xiao-Di Nie
- School of Pharmacy and Institutes of Biomedical Sciences, Fudan University, 826 Zhangheng Road, Shanghai 201203, China
| | - Xiao-Li Han
- School of Pharmacy and Institutes of Biomedical Sciences, Fudan University, 826 Zhangheng Road, Shanghai 201203, China
| | - Jian-Ting Sun
- School of Pharmacy and Institutes of Biomedical Sciences, Fudan University, 826 Zhangheng Road, Shanghai 201203, China
| | - Chang-Mei Si
- School of Pharmacy and Institutes of Biomedical Sciences, Fudan University, 826 Zhangheng Road, Shanghai 201203, China
| | - Bang-Guo Wei
- School of Pharmacy and Institutes of Biomedical Sciences, Fudan University, 826 Zhangheng Road, Shanghai 201203, China
| | - Guo-Qiang Lin
- Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
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6
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Iqbal Z, Joshi A, Ranjan De S. Recent Advancements on Transition‐Metal‐Catalyzed, Chelation‐Induced
ortho
‐Hydroxylation of Arenes. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000762] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Zafar Iqbal
- National Institute of Technology Uttarakhand Srinagar Garhwal Uttarakhand 246174 India
| | - Asha Joshi
- National Institute of Technology Uttarakhand Srinagar Garhwal Uttarakhand 246174 India
| | - Saroj Ranjan De
- National Institute of Technology Uttarakhand Srinagar Garhwal Uttarakhand 246174 India
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7
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Fillmore B, Price J, Dean R, Brown AA, Decken A, Eisler S. Accessing the Ene-Imine Motif in 1 H-Isoindole, Thienopyrrole, and Thienopyridine Building Blocks. ACS OMEGA 2020; 5:22914-22925. [PMID: 32954140 PMCID: PMC7495751 DOI: 10.1021/acsomega.0c02282] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 08/20/2020] [Indexed: 06/11/2023]
Abstract
A pathway to a range of diverse heterocycles was developed using a nucleophilic cyclization strategy. Lactams and ene-imines are accessed in a few steps from a common precursor, and these moieties are further elaborated to directly provide pyrroles or pyridines with extended conjugation. Reaction conditions are mild, and a broad range of structural types are available within a few steps.
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8
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Pan G, Yuan Y, Su L, Zhang X, Huang Q. Efficient synthesis of 2-amino-3-methylenephthalimides by a palladium-catalyzed intramolecular aminocarbonylation. SYNTHETIC COMMUN 2020. [DOI: 10.1080/00397911.2020.1759646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Guoshuai Pan
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, People’s Republic of China
| | - Yumeng Yuan
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, People’s Republic of China
| | - Lv Su
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, People’s Republic of China
| | - Xiaofeng Zhang
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, People’s Republic of China
| | - Qiufeng Huang
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, People’s Republic of China
- Fujian Key Laboratory of Polymer Materials, Fuzhou, People’s Republic of China
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9
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Rej S, Ano Y, Chatani N. Bidentate Directing Groups: An Efficient Tool in C-H Bond Functionalization Chemistry for the Expedient Construction of C-C Bonds. Chem Rev 2020; 120:1788-1887. [PMID: 31904219 DOI: 10.1021/acs.chemrev.9b00495] [Citation(s) in RCA: 583] [Impact Index Per Article: 145.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
During the past decades, synthetic organic chemistry discovered that directing group assisted C-H activation is a key tool for the expedient and siteselective construction of C-C bonds. Among the various directing group strategies, bidentate directing groups are now recognized as one of the most efficient devices for the selective functionalization of certain positions due to fact that its metal center permits fine, tunable, and reversible coordination. The family of bidentate directing groups permit various types of assistance to be achieved, such as N,N-dentate, N,O-dentate, and N,S-dentate auxiliaries, which are categorized based on the coordination site. In this review, we broadly discuss various C-H bond functionalization reactions for the formation of C-C bonds with the aid of bidentate directing groups.
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Affiliation(s)
- Supriya Rej
- Department of Applied Chemistry, Faculty of Engineering , Osaka University , Suita , Osaka 560-0871 , Japan
| | - Yusuke Ano
- Department of Applied Chemistry, Faculty of Engineering , Osaka University , Suita , Osaka 560-0871 , Japan
| | - Naoto Chatani
- Department of Applied Chemistry, Faculty of Engineering , Osaka University , Suita , Osaka 560-0871 , Japan
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10
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Hari Balakrishnan M, Mannathan S. Palladium/Copper-Catalyzed Denitrogenative Alkylidenation and ortho-Alkynylation Reaction of 1,2,3-Benzotriazin-4(3H)-ones. Org Lett 2019; 22:542-546. [DOI: 10.1021/acs.orglett.9b04297] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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11
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Yang J, Fu X, Tang S, Deng K, Zhang L, Yang X, Ji Y. 2-Amino-5,6-difluorophenyl-1 H-pyrazole-Directed Pd II Catalysis: Arylation of Unactivated β-C(sp 3)-H Bonds. J Org Chem 2019; 84:10221-10236. [PMID: 31313581 DOI: 10.1021/acs.joc.9b01276] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Palladium-catalyzed arylation of unactivated β-C(sp3)-H bonds in carboxylic acid derivatives with aryl iodides is described for the first time using 2-amino-5,6-difluorophenyl-1H-pyrazole as an efficient and readily removable directing group. Two fluoro groups are installed at the 5- and 6-position of the anilino moiety in 2-aminophenyl-1H-pyrazole, clearly enhancing the directing ability of the auxiliary. In addition, the protocol employs Cu(OAc)2/Ag3PO4 (1.2/0.3) as additives, evidently reducing the stoichiometric amount of expensive silver salts. Furthermore, this process exhibits high β-site selectivity, compatibility with diverse substrates containing α-hydrogen atoms, and excellent functional group tolerance.
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Affiliation(s)
| | | | | | | | | | - Xianjin Yang
- Key Laboratory of Organofluorine Chemistry , Shanghai Institute of Organic Chemistry, Chinese Academy of Science , 345 Lingling Road , Shanghai 200032 , P. R. China
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12
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Tian C, Dhawa U, Scheremetjew A, Ackermann L. Cupraelectro-Catalyzed Alkyne Annulation: Evidence for Distinct C–H Alkynylation and Decarboxylative C–H/C–C Manifolds. ACS Catal 2019. [DOI: 10.1021/acscatal.9b02348] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Cong Tian
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Uttam Dhawa
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Alexej Scheremetjew
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
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13
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Zhou Q, Du F, Chen Y, Fu Y, Sun W, Wu Y, Chen G. l -( -) -Quebrachitol as a Ligand for Selective Copper(0)-Catalyzed N-Arylation of Nitrogen-Containing Heterocycles. J Org Chem 2019; 84:8160-8167. [PMID: 31190531 DOI: 10.1021/acs.joc.9b00997] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
l-(-)-Quebrachitol (QCT) has been found as a ligand of copper powder for selective N-arylation of nitrogen-containing heterocycles with aryl halides. Furthermore, another potential catalytic system (copper powder/QCT/ t-BuOK) was successfully adapted to unactivated aryl chlorides.
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Affiliation(s)
- Qifan Zhou
- Key Laboratory of Structure-Based Drug Design & Discovery of Ministry of Education , Shenyang Pharmaceutical University , Shenyang 110016 , China
| | - Fangyu Du
- Key Laboratory of Structure-Based Drug Design & Discovery of Ministry of Education , Shenyang Pharmaceutical University , Shenyang 110016 , China
| | - Yuanguang Chen
- Key Laboratory of Structure-Based Drug Design & Discovery of Ministry of Education , Shenyang Pharmaceutical University , Shenyang 110016 , China
| | - Yang Fu
- Key Laboratory of Structure-Based Drug Design & Discovery of Ministry of Education , Shenyang Pharmaceutical University , Shenyang 110016 , China
| | - Wenjiao Sun
- Key Laboratory of Structure-Based Drug Design & Discovery of Ministry of Education , Shenyang Pharmaceutical University , Shenyang 110016 , China
| | - Ying Wu
- Yunnan Institute of Tropical Crops , Jinghong 666100 , China
| | - Guoliang Chen
- Key Laboratory of Structure-Based Drug Design & Discovery of Ministry of Education , Shenyang Pharmaceutical University , Shenyang 110016 , China
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14
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Göbel D, Clamor N, Lork E, Nachtsheim BJ. Aerobic C(sp2)–H Hydroxylations of 2-Aryloxazolines: Fast Access to Excited-State Intramolecular Proton Transfer (ESIPT)-Based Luminophores. Org Lett 2019; 21:5373-5377. [DOI: 10.1021/acs.orglett.9b01350] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Dominik Göbel
- Institute for Organic and Analytical Chemistry, University of Bremen, 28359 Bremen, Germany
| | - Nils Clamor
- Institute for Organic and Analytical Chemistry, University of Bremen, 28359 Bremen, Germany
| | - Enno Lork
- Institute for Inorganic and Crystallographic Chemistry, University of Bremen, 28359 Bremen, Germany
| | - Boris J. Nachtsheim
- Institute for Organic and Analytical Chemistry, University of Bremen, 28359 Bremen, Germany
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15
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Bakthadoss M, Vijay Kumar P, Kumar R, Agarwal V. Palladium catalyzed chemo- and site-selective C-H acetoxylation and hydroxylation of oxobenzoxazine derivatives. Org Biomol Chem 2019; 17:4465-4469. [PMID: 31011718 DOI: 10.1039/c9ob00642g] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
An efficient protocol for the introduction of acetoxy and hydroxy functionalities on unactivated aryl sp2 carbons of oxobenzoxazine derivatives via an ortho-C-H activation reaction using a palladium catalyst has been developed for the first time. Interestingly, this intermolecular C-H functionalization reaction takes place in a facile and simple manner with high chemo- and site selectivity.
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Affiliation(s)
- Manickam Bakthadoss
- Department of Chemistry, Pondicherry University, Pondicherry - 605 014, India.
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16
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Harper AD, Aitken RA. The Chemistry of Thieno[c]pyrrolones, Dihydrothieno[c]pyrrolones, and Their Fused Derivatives. ADVANCES IN HETEROCYCLIC CHEMISTRY 2019. [DOI: 10.1016/bs.aihch.2018.09.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/08/2023]
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17
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Deng KZ, Zhang LL, Chen YF, Xie HX, Xu XB, Xia CC, Ji YF. Copper-mediated direct thiolation of aryl C–H bonds with disulfides. Org Biomol Chem 2019; 17:7055-7065. [DOI: 10.1039/c9ob01255a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A directing group-assisted copper-mediated thiolation of aromatic amides with disulfides via direct C(sp2)–H activation has been developed.
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Affiliation(s)
- Ke-Zuan Deng
- Engineering Research Centre of Pharmaceutical Process Chemistry
- Ministry of Education; Shanghai Key Laboratory of New Drug Design; School of Pharmacy
- East China University of Science and Technology
- Shanghai 200237
- P. R. China
| | - Li-Li Zhang
- Engineering Research Centre of Pharmaceutical Process Chemistry
- Ministry of Education; Shanghai Key Laboratory of New Drug Design; School of Pharmacy
- East China University of Science and Technology
- Shanghai 200237
- P. R. China
| | - Ye-Feng Chen
- Engineering Research Centre of Pharmaceutical Process Chemistry
- Ministry of Education; Shanghai Key Laboratory of New Drug Design; School of Pharmacy
- East China University of Science and Technology
- Shanghai 200237
- P. R. China
| | - He-Xin Xie
- Engineering Research Centre of Pharmaceutical Process Chemistry
- Ministry of Education; Shanghai Key Laboratory of New Drug Design; School of Pharmacy
- East China University of Science and Technology
- Shanghai 200237
- P. R. China
| | - Xiao-Bo Xu
- Engineering Research Centre of Pharmaceutical Process Chemistry
- Ministry of Education; Shanghai Key Laboratory of New Drug Design; School of Pharmacy
- East China University of Science and Technology
- Shanghai 200237
- P. R. China
| | - Cheng-Cai Xia
- Pharmacy College
- Shandong First Medical University & Shandong Academy of Medical Sciences
- Taian 271016
- P. R. China
| | - Ya-Fei Ji
- Engineering Research Centre of Pharmaceutical Process Chemistry
- Ministry of Education; Shanghai Key Laboratory of New Drug Design; School of Pharmacy
- East China University of Science and Technology
- Shanghai 200237
- P. R. China
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18
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Youn SW, Ko TY, Kim YH, Kim YA. Pd(II)/Cu(II)-Catalyzed Regio- and Stereoselective Synthesis of (E)-3-Arylmethyleneisoindolin-1-ones Using Air as the Terminal Oxidant. Org Lett 2018; 20:7869-7874. [DOI: 10.1021/acs.orglett.8b03409] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- So Won Youn
- Center for New Directions in Organic Synthesis, Department of Chemistry and Research Institute for Natural Sciences, Hanyang University, Seoul 04763, Korea
| | - Tae Yun Ko
- Center for New Directions in Organic Synthesis, Department of Chemistry and Research Institute for Natural Sciences, Hanyang University, Seoul 04763, Korea
| | - Young Ho Kim
- Center for New Directions in Organic Synthesis, Department of Chemistry and Research Institute for Natural Sciences, Hanyang University, Seoul 04763, Korea
| | - Yun Ah Kim
- Center for New Directions in Organic Synthesis, Department of Chemistry and Research Institute for Natural Sciences, Hanyang University, Seoul 04763, Korea
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19
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Grandhi GS, Selvakumar J, Dana S, Baidya M. Directed C–H Bond Functionalization: A Unified Approach to Formal Syntheses of Amorfrutin A, Cajaninstilbene Acid, Hydrangenol, and Macrophyllol. J Org Chem 2018; 83:12327-12333. [DOI: 10.1021/acs.joc.8b02116] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Gowri Sankar Grandhi
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600 036, India
| | - Jayaraman Selvakumar
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600 036, India
| | - Suman Dana
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600 036, India
| | - Mahiuddin Baidya
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600 036, India
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20
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Zhou K, Zhang J, Lai L, Cheng J, Sun J, Wu J. C–H bond sulfonylation of anilines with the insertion of sulfur dioxide under metal-free conditions. Chem Commun (Camb) 2018; 54:7459-7462. [DOI: 10.1039/c8cc03465f] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
2-Sulfonylanilines are generated in moderate to good yields through a three-component reaction of anilines, DABCO·(SO2)2, and aryldiazonium tetrafluoroborates under mild conditions. No metal catalysts or additives are needed for this transformation.
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Affiliation(s)
- Kaida Zhou
- Department of Chemistry
- Fudan University
- Shanghai 200438
- China
| | - Jun Zhang
- Department of Chemistry
- Fudan University
- Shanghai 200438
- China
| | - Lifang Lai
- School of Petrochemical Engineering, and Jiangsu Province Key Laboratory of Fine Petrochemical Engineering
- Changzhou University
- Changzhou 213164
- China
| | - Jiang Cheng
- School of Petrochemical Engineering, and Jiangsu Province Key Laboratory of Fine Petrochemical Engineering
- Changzhou University
- Changzhou 213164
- China
| | - Jiangtao Sun
- School of Petrochemical Engineering, and Jiangsu Province Key Laboratory of Fine Petrochemical Engineering
- Changzhou University
- Changzhou 213164
- China
| | - Jie Wu
- Department of Chemistry
- Fudan University
- Shanghai 200438
- China
- State Key Laboratory of Organometallic Chemistry
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