ALKYNE

作品数:113被引量:78H指数:4
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相关领域:理学更多>>
相关作者:张俊良李福伟夏春谷汪文龙朱婧更多>>
相关机构:华东师范大学中山大学厦门大学上海大学更多>>
相关期刊:《Carbon Energy》《Chemical Research in Chinese Universities》《Organic Chemistry Frontiers》《工业催化》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广东省自然科学基金中国博士后科学基金更多>>
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Highly efficient and cis-selective semihydrogenation of dialkyl alkynes with EtOH enforced by a catalyst-state induced color-change strategy
《Science China Chemistry》2025年第4期1392-1401,共10页Zhuangxing Li Guixia Liu Zheng Huang 
supported by the National Key R&D Program of China(2021YFA1501700);the National Natural Science Foundation of China(22425012,22072178,22293013,21821002);the Strategic Priority Research Program of the Chinese Academy of Sciences(XDB0610000);the CAS Project for Young Scientists in Basic Research(YSBR-094);the CAS Youth Interdisciplinary Team(JCTD-2021-11);Science and Technology Commission of Shanghai Municipality(23JC1404400).
Synthesis of valuable(Z)-1;2-dialkyl alkenes via cis-semihydrogenation of alkynes is often plagued by side reactions such as alkene isomerization and over-reduction.Here we report a catalyst-state induced color-change...
关键词:transfer hydrogenation alkyne semihydrogenation pincer iridium ethanol mechanism 
Photocatalytic vinyl radical-mediated multicomponent 1,4-/1,8-carboimination across alkynes and olefins/(hetero)arenes
《Science China Chemistry》2024年第2期558-567,共10页Shan-Shan Li Yu-Shi Jiang Xue-Ling Luo Xuming Ran Yuqiang Li Dong Wu Cheng-Xue Pan Peng-Ju Xia 
supported by the National Natural Science Foundation of China (22101059);the Guangxi Natural Science Foundation of China (2023GXNSFBA026275);the Innovation Project of Guangxi Graduate Education (YCSW2023125);partially supported by the National Key R&D Program of China (2022ZD0160100);in part by Shanghai Committee of Science and Technology(21DZ1100100)。
We developed a highly selective and efficient multicomponent transformation by utilizing alkynes and olefins/(hetero)arenes through photoinduced energy-transfer catalysis.The reaction involves the formation of three d...
关键词:alkyne-olefin coupling DFT studies regio-and anti-stereoselectivity multisubstituted alkenes 
In-situ generation of poly(quinolizine)s via catalyst-free polyannulations of activated diyne and pyridines
《Science China Chemistry》2022年第4期789-795,共7页Benzhao He Jiachang Huang Jing Zhang Xinyue Liu Dong Wang Herman H.Y.Sung Yajun Liu Anjun Qin Jacky W.Y.Lam Ben Zhong Tang 
supported by the National Natural Science Foundation of China(22101028,21788102);the start-up funding from Beijing Normal University(310432102,310432103);the Innovation and Technology Commission(ITC-CNERC14SC01);the Science and Technology Plan of Shenzhen(JCYJ20160229205601482,JCYJ20180507183832744,JCYJ20170818113602462);the Natural Science Foundation of Guangdong Province(2019B121205002);the Research Grants Council of Hong Kong(16305618,16304819,16305320,NHKUST609/19,C6009-17G,C6014-20W/16)。
The development of new polymerization routes to afford N-heterocyclic polymers is of vital importance and highly desired for various practical applications. Herein, a facile and efficient polyannulation reaction of du...
关键词:polyannulation activated alkyne N-heterocyclic polymers poly(quinolizine)s bioimaging 
Decorated zeolites for chemoselective alkyne/olefin separations被引量:1
《Science China Chemistry》2020年第9期1177-1178,共2页Feng-Shou Xiao 
Light olefins,such as ethylene,propylene,and 1,3-butadiene,are basic chemical raw materials with increasing global demand of approaching 400 million metric tons per year.During the industrial production of light olefi...
关键词:separation APPROACHING PROPYLENE 
Recyclable Cu nanoparticle catalyzed azide-alkyne click polymerization
《Science China Chemistry》2019年第8期1017-1022,共6页Yizhao Chen Benzhao He Anjun Qin Ben Zhong Tang 
supported by the National Natural Science Foundation of China (21788102, 21525417, 21490571);the National Program for Support of Top-Notch Young Professionals;the Natural Science Foundation of Guangdong Province (2016A030312002);the Fundamental Research Funds for the Central Universities (2015ZY013);the Innovation and Technology Commission of Hong Kong (ITCCNERC14S01)
The Cu(I)-catalyzed alkyne-azide cycloaddition(CuAAC) has been developed into a powerful polymerization reaction for the synthesis of new polytriazoles with versatile properties. However, research on recyclable and re...
关键词:CLICK POLYMERIZATION CU nanoparticles RECYCLABILITY reusability 
An air-stable supported Cu(?) catalyst for azide-alkyne click polymerization
《Science China Chemistry》2015年第11期1748-1752,共5页Haiqiang Wu Wenhui Dong Zongtan Wang Bicheng Yao Ming Chen Jingzhi Sun Anjun Qin Ben Zhong Tang 
supported by the National Natural Science Foundation of China(21490571,21222402,21174120);the Key Project of the Ministry of Science and Technology of China(2013CB834702);the Research Grants Council of Hong Kong(604711,602212,604913);Anjun Qin and Benzhong Tang thank the support from Guangdong Innovative Research Team Program(201101C0105067115)
An air-stable supported Cu(I) catalyst, Cu I@PS-Phen, was designed and synthesized. Cu I@PS-Phen can efficiently catalyze the click polymerization of diynes a and diazides b to produce soluble and thermally stable pol...
关键词:azide-alkyne click polymerization copper residue polytriazole supported Cu(I) catalyst 
Rhodium(Ⅲ)-catalyzed [3+2] annulative coupling between oximes and electron-deficient alkynes
《Science China Chemistry》2015年第8期1297-1301,共5页Xukai Zhou Songjie Yu Zisong Qi Xingwei Li 
supported by the Dalian Institute of Chemical Physics,Chinese Academy of Sciences;the National Natural Science Foundation of China(21472186,21272231)
Rhodium(III)-catalyzed coupling between ketoximes and alkynes via C–H activation and annulation typically followed the[4+2]selectivity to afford isoquinolines.By designing alkynes bearing a highly electron-withdrawin...
关键词:rhodium(III) C-H activation ANNULATION OXIME ALKYNE 
Unorthodox chemistry for an unorthodox challenge:Exploration of new chemical reactivities for a sustainable future被引量:1
《Science China Chemistry》2011年第12期1815-1830,共16页LI Chao-Jun 
the Canada Research Chair (Tier I) foundation;the E. B. Eddy Endowment Fund;the CFI, NSERC, FQRNT;the NSF and the NSF-EPA Joint Program for a Sustainable Environment for partial support of our research over the years
The sustainable development of our future represents an unorthodox challenge in sciences and technologies.The exploration of unconventional chemical reactivities that could potentially result in more sustainable chemi...
关键词:green chemistry organometallic reactions in water aldehyde-alkyne-amine coupling cross-dehydrogenative-coupling 
Free radical fluoroalkylation of terminal alkenes and alkynes with iododifluoromethanesulfonamides
《Science China Chemistry》2011年第1期95-102,共8页ZHU JieMing,WANG Fei & HU JinBo CAS Key Laboratory of Organofluorine Chemistry Shanghai Institute of Organic Chemistry,Chinese Academy of Sciences,Shanghai 200032,China 
financially supported by the National Natural Science Foundation of China (20825209, 20832008, 20772144);the Chinese Academy of Sciences (Hundreds-Talent Program and Knowledge Innovation Program)
Free radical fluoroalkylation of terminal alkenes and alkynes with iododifluoromethanesulfonamides has been successfully achieved.It was found that both the catalytic amount of sodium dithionite (Na2S2O4) and the stoi...
关键词:radical fluoroalkylation SULFONAMIDE fluorine ALKENE ALKYNE 
Reaction of [η~5:σ-Me_2C(C_5H_4)(C_2B_(10)H_(10))]Ru(NCCH_3)_2 with internal alkynes:Synthesis and structural characterization of ruthenium-cyclobutadiene and ruthenacyclopentatriene complexes
《Science China Chemistry》2010年第10期2123-2128,共6页QIU ZaoZao, SUN Yi & XIE ZuoWei Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, China 
supported by the Research Grants Council of The Hong Kong Special Administration Region (403907)
Reaction of [η5:σ-Me2C(C5H4)(C2B10H10)]Ru(NCCH3)2 (1) with R1C≡CR1(R1 = Et, Ph) in toluene at 80 °C yielded organoruthenium cyclobutadiene complexes [η5:σ-Me2C(C5H4)(C2B10H10)]Ru(-4-C4R14) in >80% yield. Trea...
关键词:ALKYNE CARBORANE DIYNE ruthenacyclopentatriene RUTHENIUM ruthenium-cyclobutadiene 
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