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REAGENT: 作品数：370被引量：405H指数：8; 导出分析报告; 相关领域：理学医药卫生更多>>; 相关作者：许建邦刘泽霖马冰崔海燕李一鸣更多>>; 相关机构：北京大学武汉大学中南大学华东师范大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划天津市自然科学基金国家教育部博士点基金更多>>

Benzoyl cyanide, a general radical acylating reagent for photoredox-catalyzed benzylic site-selective acylation reactions: 《Science China Chemistry》2024年第11期3833-3843,共11页Zhaodong Zhu Jingjing Wu; supported by National Natural Science Foundation of China (NSFC);Youth program (Grant No: 22101173);Fundamental Research Funds for the Central Universities (23X010301599);“Thousand Talents Plan, Youth project”;startup funding from Shanghai Jiao Tong University (SJTU)。; Based on rational design, benzoyl cyanide, a well-known ionic acylating reagent, has been developed as a general radical acylating reagent for benzylic site-selective acylation reactions for the first time. Using visi...; 关键词：photoredox catalysis benzylic C–H acylation radical acylating reagent HAT catalysis acyltrifluoromethylation

Enantioselective iridium-catalyzed allylic substitution with a Reformatsky reagent: direct construction of β-stereogenic homoallylic esters: 《Science China Chemistry》2024年第11期3791-3797,共7页Debasis Pal Kirana DVeeranna Yuk Fai Wong PAndrew Evans; the National Sciences and Engineering Research Council (NSERC) for a Discovery Grant;supporting a Tier 1 Canada Research Chair (P.A.E);the Huxiang High-Level Talent Gathering Project from the Science and Technology Department of Hunan Province (Grant No. 2020RC5001)。; The Reformatsky reagent derived from ethyl bromoacetate circumvents the challenge associated with the direct regio-and enantioselective iridium-catalyzed allylic alkylation with an unstabilized aliphatic ester enolate...; 关键词：allylic substitution asymmetric catalysis mechanistic studies natural product synthesis Reformatsky reagent

Photoredox catalytic alkylarylation of alkynes with arylsulfonylacetate as bifunctional reagent: 《Science China Chemistry》2024年第6期2022-2028,共7页Chonglong He Min Wang Yulong Wang Lirong Zhao Youkang Zhou Keyuan Zhang Shenyu Shen Yaqiong Su Xin-Hua Duan Le Liu; supported by the National Natural Science Foundation of China(21901199);Xi’an Jiaotong University(7121192002)。; Difunctionalization of alkynes represents a powerful and straightforward approach to the synthesis of complex molecules.However,the radical difunctionalization of alkynes mediated by bifunctional reagents remains chal...; 关键词：bifunctional reagent photoredox catalysis Smiles rearrangement alkylarylation tetrasubstituted acyclic all-carbon olefins

Rapid and chemoselective imidation of sulfides in aqueous buffer enabled by a novel guanidine-derived N-O reagent: 《Science China Chemistry》2024年第6期1929-1934,共6页Hanzheng Li Long Xu Jiajia Dong; supported by the Ministry of Science and Technology of China,Major State Basic Research Development Program of China(2023YFA1506500,2021YFF0701704);Shanghai Pilot Program for Basic Research,Shanghai Jiao Tong University(21TQ1400223);WLA Laboratories for the financial support。; Herein we report the facile synthesis of a series of novel N-O reagents and identify N′-di-Boc-N′′-[(mesitylsulfonyl)oxy]-guanidine as an efficient imidating reagent.This reagent is synthetically scalable and bench...; 关键词：sulfur imidation N-O reagent

Bifunctional two-carbon reagent made from acetylene via 1,2-difunctionalization and its applications: 《Science China Chemistry》2024年第3期936-944,共9页Bo Yang Kangkui Li Yongdong Wang Shifa Zhu; supported by the National Natural Science Foundation of China(22001079,22271096,22071062,21871096);the China Postdoctoral Science Foundation(2020M682694)。; There are very limited approaches to directly gluing two molecules for the production of internal alkenes using the vastly abundant acetylene via 1,2-difunctionalization. Conversion of gaseous acetylene to internal al...; 关键词：ACETYLENE 1 2-difunctionalization PHOTOCATALYSIS vinylsulfone

Difluoromethyl phenoxathiinium salt: A new general and versatile difluoromethylating reagent with divergent ·CF_(2)H, CF_(2)H^(+), and :CF_(2) reactivities: 《Science China Chemistry》2024年第3期953-962,共10页Yuan-Qing Gu Hong-Xin Long Dan-Dan Zhang Mei-Feng Ruan Guo-Kai Liu; supported by the National Natural Science Foundation of China(92056201);Guangdong Basic and Applied Basic Research Foundation(2023A1515011008);Shenzhen Science and Technology Program(the Stable Support Plan Program 20220808130958001)。; Development of practical and versatile electrophilic difluoromethylating reagent is still a grand challenge so far due to its inherent instability or low reactivity.Herein,we report the design and synthesis of difluor...; 关键词：difluoromethyl phenoxathiinium salt versatile difluoromethylating reagent difluoromethyl radical difluoromthyl cation DIFLUOROCARBENE

Ni-catalyzed highly regio- and stereo-selective diborylative cyclization of 1,6-enynes with diboron reagent: 《Science China Chemistry》2024年第3期981-989,共9页Qitao Guan Zhen Shen Yiqiang Tian Genping Huang Chun Zhang; supported by Tianjin University(B22021-010);the State Key Laboratory of Elemento-Organic Chemistry;the National Natural Science Foundation of China(22371203,22073066,21503143,21975179)。; The Ni-catalyzed highly selective diborylative cyclization of 1,6-enynes with diboron reagent has been developed. When pinB-Bdan was used, multiple types of boron-containing functional groups could be installed into o...; 关键词：NICKEL-CATALYZED ORGANOBORON CYCLIZATION regioselectivity ENANTIOSELECTIVITY

Iodine（Ⅲ） reagent（ABX–N3）-induced intermolecular anti-Markovnikov hydroazidation of unactivated alkenes被引量：2: 《Science China Chemistry》2019年第11期1537-1541,共5页Xiaonan Li Pinhong Chen Guosheng Liu; supported by the National Basic Research Program of China(973-2015CB856600);the National Natural Science Foundation of China(21532009,21821002,21790330,21761142010);the Science and Technology Commission of Shanghai Municipality(17XD1404500,17QA1405200,17JC1401200);the strategic Priority Research Program(XDB20000000);the Key Research Program of Frontier Science(QYZDJSSW-SLH055)of the Chinese Academy of Sciences; Anti-Markovnikov hydroazidation of unactivated alkenes using ABX–N3 as an initiator has been developed at room temperature,wherein hydrogen azide(HN3)acts as both hydrogen and azidating agent.Notably,the HN3 reagent ...; 关键词：ANTI-MARKOVNIKOV hydroazidation iodine(Ⅲ) reagent(ABX–N3) unactivated alkenes

Recent advances in new trifluoromethoxylation reagents被引量：4: 《Science China Chemistry》2019年第5期525-532,共8页Xiaofei Zhang Pingping Tang; supported by the National Key Research and Development Program of China(2016YFA0602900);the National Natural Science Foundation of China(21522205,21672110);the Fundamental Research Funds for the Central Universities; The trifluoromethoxy(CF_3O) group has become a novel moiety in various fields because of its unique features. However, despite the promising applications, the synthesis of CF_3O-containing compounds is still a challen...; 关键词：trifluoromethoxy GROUP trifluoromethoxylation REAGENT SYNTHETIC METHODS FLUORINE

Double dehydrogenation of carbocyclic β-dicarbonyl compounds:Koser's reagent can do what iodine(V) reagents can: 《Science China Chemistry》2019年第5期597-601,共5页Shan-Shan Liu Li Wang Ya-Nan Duan Ao Yu Chi Zhang; supported by the National Natural Science Foundation of China(21472094,21772096,21577071);Natural Science Foundation of Tianjin(14JCZDJC40300,17JCYBJC20300); Koser's reagent is found to be effective in the oxidative double dehydrogenation of various carbocyclic β-dicarbonyl compounds,which constitutes the first example on dehydrogenation reactivity of hypervalent iodine(...; 关键词：Koser’s REAGENT DOUBLE DEHYDROGENATION HYPERVALENT twisting 2 3-benzotropone DFT calculations

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