THIOPHENES

作品数：18被引量：25H指数：3
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Facile synthesis and functionalization of fluoranthenes via intramolecular[4+2]annulations between thiophenes and alkynes
《Chinese Chemical Letters》2023年第6期476-479,共4页Shoudong Xie Weinan Chen Si Liu Hao Zong Binbin Ming Gang Zhou 
financially supported by National Key Research and Development Program of China(No.2018YFA0209401);National Natural Science Foundation of China(Nos.22171053,21733003);Natural Science Foundation of Shanghai(No.21ZR1409600)。
Fluoranthenes have attracted tremendous attention due to their unique optoelectronic properties and extensive applications.Although several synthetic methodologies have been developed for the preparation of fluoranthe...
关键词：FLUORANTHENE ANNULATION Polycyclic aromatic hydrocarbon CATALYST-FREE S-extrusion 
Synthesis of tetrasubstituted thiophenes from pyridinium 1,4-zwitterionic thiolates and modified activated alkynes
《Chinese Chemical Letters》2021年第12期3972-3975,共4页Taimin Wang Xuecheng Zhu Qingqing Tao Wei Xu Haiyan Sun Ping Wu Bin Cheng Hongbin Zhai 
National Natural Science Foundation of China (Nos. 21971092, 21901014, 21472072, 21871018, 21732001 and 21672017);Shenzhen Science and Technology Innovation Committee (No. JCYJ20200109141808025);Characteristic Innovation Project of Guangdong Provincial Education Department (No. 2020KTSCX295) for the financial support。
Pyridinium 1,4-zwitterionic thiolates were applied to a formal [3+2] annulation reaction with modified activated alkynes, affording various tetrasubstituted thiophenes with aryl, alkenyl, alkyl or silyl group at the s...
关键词：1 4-Zwitterionic thiolate Activated alkyne Formal[3+2] Thiophene Metal-free CATALYST-FREE 
Three-Component Synthesis of 2-Heteroaryl-3-hydroxybenzo[b]- thiophenes under Transition-Metal-Free Conditions
《Chinese Journal of Chemistry》2021年第9期2483-2488,共6页Dahan Wang Fuhong Xiao Feng Zhang Guo-Jun Deng 
supported by the National Natural Science Foundation of China(Nos.21871226,21502160,21572194);the Scientific Research Fund of Hunan Provincial Education Department(19B564);the Hunan Provincial Natural Science Foundation of China(No.2020JJ3032);the China Postdoctoral Science Foundation(Nos.2018M632976 and 2019T120709);the Scientific Research Fund of Xiangtan University(No.XDCX2020B110);the Open Fund of Guangdong Provincial Key Laboratory of Lumines-cence from Molecular Aggregates,Guangzhou,510640,China(South China University of Technology,No.2019B030301003).
A convenient synthetic route to 2-heteroaryl-3-hydroxybenzo[b]thiophene derivatives via K_(2)CO_(3)-promoted multicomponent cycliza-tion between o-halogenated benzaldehyde,2-methylquinolines and sulfur powder has been...
关键词：BENZOTHIOPHENES Transition-metal-free C-H activation Sulfur Multicomponent reactions 
Synthesis of 3-Methylthio-benzo[b]furans/Thiophenes via Intramolecular Cyclization of 2-Alkynylanisoles/Sulfides Mediated by DMSO/DMSO-d_(6) and SOCl_(2)被引量：2
《Chinese Journal of Chemistry》2021年第4期887-895,共9页Beibei Zhang Xiaoxian Li Xuemin Li Fengxia Sun Yunfei Du 
We acknowledge the National Natural Science Foundation of China(No.21472136)for financial support.
Main observation and conclusion The reaction of 2-alkynylanisoles/sulfides with SOCl_(2) and DMSO was conducted to conveniently furnish the biologically interesting 3-(methylthio)-benzo[b]furans/thiophenes via intramo...
关键词：3-Methylthio-benzo[b]furans/Thiophenes 2-Alkynylanisoles/Sulfides DMSO/DMSO-d_(6)SOCl_(2) Interrupted pummerer process 
Synthesis and reactivity of carbazole-containing hypervalent iodine(Ⅲ) reagents
《Chinese Chemical Letters》2020年第2期357-360,共4页Tianlei Lan Haijuan Qin Wenting Chen Wei Liu Chao Chen 
supported by the National Key Research and Development Program of China(No.2016YFB0401400);the National Natural Science Foundation of China(Nos.21302139,21672120 and 21871158);the Fok Ying Tong Education Foundation of China(No.151014)。
A range of bench-stable carbazole-containing hypervalent iodine(Ⅲ) reagents were synthesized by I-N bond formation in good yields.This kind of benziodoxolone reagents was used for a C-N coupling reaction to introduce...
关键词：CARBAZOLES Hypervalentiodine REAGENTS Benziodoxolones N-ARYLATION THIOPHENES 
Desulfurization of gasoline by condensation of thiophenes with formaldehyde in a biphasic system using aqueous phase of acids被引量：4
《Chinese Journal of Chemical Engineering》2017年第2期166-170,共5页Miao He Yingxia Li Jie Zhang Biaohua Chen 
Supported by the National Natural Science Foundation of China(No.20126008)
Aqueous phase of acids as catalysts for the desulfurization of gasoline by condensation of thiophenes with form- aldehyde in a biphasic system was investigated. Two types of model gasoline with and without aromatics a...
关键词：Desulfurizafion Condensation AcidThiophene 
Chromatographic Analysis of Thiophenes in Calli and Suspension Cultures of Tagets spp.
《Journal of Life Sciences》2013年第5期483-490,共8页Hussein S. Taha Hamida A. Osman Mahmoud M.M.A. Youssef Abdel Monem Y. EI-Gindi Hoda H.Ameen Asmahan M.S. Lashein 
The thiophene isomer fractions were investigated by TLC （thin layer chromatography） and GLC （gas liquid chromatography）. The TLC analysis revealed that, 5-（4-acetoxy-l-butynyl）-2,2-bithenyl （BBTOAc, Rf 0.78 I）...
关键词：l＇hiophenes CALLUS suspension TLC GLC Tagetes erecta T. patula. 
The Reaction of 2-Amino-4,5,6,7-tetrahydrobenzo[<i>b</i>]thiophenes with Benzoyl-Isothiocyanate: Synthesis of Annulated Thiophene Derivatives and Their Antitumor Evaluations
《International Journal of Organic Chemistry》2012年第2期126-134,共9页Karam Ahmed El-Sharkawy Hend Mohamed El-Sehrawi Rehab Ali Ibrahim 
The reaction of the tetrahydrobenzo[b]thiophene derivatives 1a,b with benzoylisothiocyanate (2) afforded the thiourea derivatives 3a,b. Cyclization of the latter products gave the annulated products 4a,b. Compounds 3a...
关键词：Tetrahydrobenzo[b]thiophene Pyrimidine Thiourea ANTITUMOR Activity 
Synthesis of Functionalized Thiophenes by Four-component Reactions of 1,3-Thiazolidinedione, Aromatic Aldehydes, Cyanoacetamide and Cyclic Secondary Amines
《Chinese Journal of Chemistry》2011年第11期2461-2464,共4页姚荣 夏二艳 孙晶 颜朝国 
Project supported by the National Natural Science Foundation of China （No. 20972132）.
The polysubstituted thiophene derivatives were conveniently prepared by the four-component reactions of 1,3-thiazolidinedione, aromatic aldehydes, cyanoacetamide and cyclic secondary amines such as pyrrolidine, mor- p...
关键词：multicomponent reaction domino reaction THIOPHENE CYANOACETAMIDE 1 3-thiazolidinedione 
Theoretical Study of 13C Chemical Shifts Structures of Some ortho-Substituted 3-Anilino-2-nitrobenzo[b]thiophenes and 2-Anilino-3-nitrobenzo[b]thiophenes and Comparison with Experimental
《Chinese Journal of Chemistry》2011年第2期237-242,共6页Mahdi Rezaei Sameti 
13C NMR chemical shifts have been calculated for structures of some substituted 3-anilino-2-nitrobenzo- [b]thiophenes （2o） and 2-anilino-3-nitrobenzo[b]thiophenes （3o） derivatives containing OH, NH2, OMe, Me, Et, ...
关键词：DPT 13C NMR chemical shifts GIAO/CSGT 
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