ALLENES

作品数：35被引量：39H指数：5
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相关机构：浙江大学北京大学重庆大学更多>>
相关期刊：《有机化学》《Green Synthesis and Catalysis》《Chinese Journal of Chemistry》《Organic Chemistry Frontiers》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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Copper-catalyzed 1,4-silylcyanation of 1,3-enynes:A silyl radical-initiated approach for synthesis of difunctionalized allenes
《Chinese Chemical Letters》2025年第3期277-281,共5页Qi Li Zi-Lu Wang Yun-He Xu 
support of this work by the funding of the National Natural Science Foundation of China(No.22371269);the State Key Laboratory of Elementoorganic Chemistry Nankai University(No.202001);the Strategic Priority Research Program of the Chinese Academy of Sciences(No.XDB0450301);the Open Project of Key Laboratory of Organosilicon Chemistry,and Material Technology of Ministry of Education,Hangzhou Normal University(No.KFJJ2022013)。
Herein,we developed the first example of copper-catalyzed silicon radical-initiated 1,4-silylcyanation of unactivated 1,3-enynes,which provided an efficient method to access CN-bearing tri-and tetrasubstituted homoall...
关键词：Copper-catalyst Unactivated enynes 1 4-Difunctionalization Radical silylation CYANATION 
Ytterbium-Catalyzed Tandem Diels-Alder/Claisen Rearrangement/Decarboxylation of Hetero-Allenes for the Synthesis of Diarylmethanes
《Chinese Journal of Chemistry》2025年第2期199-204,共6页Bin Chen Shan Zhong Huilin Zhan Zhangyu Han Jianwei Sun Hai Huang 
supported by the NSFC(22071210,22101033,22201023,22271242);the Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology(BM2012110);the Natural Science Foundation of Jiangsu Province(BK20210849);the Innovation&Entrepreneurship Talents Plan of Jiangsu Province(JSSCRC2021536).
A tandem Diels–Alder reaction/Claisen rearrangement/decarboxylation strategy of N-allenamides (or aryloxyallenes) with 3-alkoxycarbonyl-2-pyrones has been developed for the efficient synthesis of diarylmethanes with ...
关键词：Hetero-allenes 2-Pyrones Diels-Alder reaction Claisen rearrangement DECARBOXYLATION Tandem reaction 
Recent advances in(4+3)cycloaddition of allenes
《Green Synthesis and Catalysis》2024年第4期270-276,共7页Yanyan Que Wenli Lei Yin Fang Shuzhong He Yang Chen 
financial support from the supported by National Natural Science Foundation of China(Nos.22061008 and 22361008);the State Key Laboratory of Natural and Biomimetic Drugs(No.K202223);the Science and Technology Foundation of Guizhou Province(Nos.ZK[2021]-039 and[2023]-097);the State Key Laboratory of Functions and Applications of Medicinal Plants,Guizhou Medical University(No.FAMP202102K).
Allenes are a class of unsaturated compounds containing a propadiene structural moiety,exhibiting essential physiological,pharmacological,and various reactivities.Their(4+3)cycloaddition reaction has become an effecti...
关键词：ALLENES (4+3)Cycloaddition Asymmetric catalysis Seven-membered heterocycles 
Copper/Photoredox-Catalyzed Regioselective 1,4-Addition to 1,3-Enynes: A Convenient Access to Perfluoroalkylated Allenes
《Chinese Journal of Chemistry》2024年第17期2023-2028,共6页Ya Chen Quanyuan Wang Keyi Peng Lilei Cheng Ziyi She Guo-Jun Deng 
supported by the National Natural Science Foundation of China(Nos.22301256 and 22271244);the Hunan Provincial Natural Science Foundation of China(2023JJ40618);the Open Research Fund of School of Chemistry and Chemical Engineering,Henan Normal University(2022c02);the Hunan Provincial Innovation Foundation for Postgraduate(CX20230644,XDCX2023Y162)
A general and broadly applicable copper and photoredox dual-catalyzed multicomponent 1,4-perfluoroalkylcyanation of 1,3-enynes has been developed.This protocol enjoys success with high regioselectivity,mild reaction c...
关键词：Fluorinated allenes 1 3-Enynes PHOTOREDOX FLUOROALKYLATION Multicomponent reactions Difunctionalization Radicals Regioselectivity 
Cu-catalyzed regioselective diborylation of 1,3-enynes for the efficient synthesis of 1,4-diborylated allenes
《Chinese Chemical Letters》2024年第5期141-144,共4页Wujun Jian Mong-Feng Chiou Yajun Li Hongli Bao Song Yang 
supported by the National Natural Science Foundation of China(NSFC,Nos.22001251,21922112,and 22225107);the Strategic Priority Research Program of the Chinese Academy of Sciences(No.XDB20000000);National Key R&D Program of China(No.2017YFA0700103);the Guizhou Provincial S&T Project(No.2018[4007]).
Borylation of 1,3-enynes with bis(boronate)compounds often ends up with the formation of hydroborylated products,leaving the diborylation of 1,3-enynes for the formation of 1,4-diborylated allenes to be challenging.He...
关键词：Copper catalysis REGIOSELECTIVE 1 3-Enynes BORYLATION ALLENES 
Copper-catalyzed conjugate addition of allene-derived nucleophiles to alkenyl-substituted carboxamides
《Chinese Chemical Letters》2024年第3期239-242,共4页Bin Fu Yue Zhao Xiuping Yuan Yanfei Li Jianjun Yin Simin Wang Tao Xiong Qian Zhang 
the financial support from the National Natural Science Foundation of China(NSFC,Nos.22171042,21831002,and 22193012);the Jilin Province Natural Science Foundation(No.20160520140JH);the Fundamental Research Funds for the Central Universities;the Ten Thousand Talents Program for generous financial support。
Catalytic Michael addition reaction represents a fundamental importance in organic synthetic chemistry.Whereas corresponding conversions toward intrinsically low reactive enamide remains an ongoing challenging.We here...
关键词：CuH catalysis ALLENES Unsaturated amide Conjugate addition Regioselectivity 
A Direct Route to Tetrahydropyridazine Derivatives via DMAP-Catalyzed [4+2] Annulation of Allenoates with Arylazosulfones
《Chinese Journal of Chemistry》2023年第22期3031-3036,I0002,共7页Xin Ji Ziyang Li Jinfeng Zhang Yicheng Zhang Ling-Guo Meng 
the Independent Research Foundation of Key Laboratory of Green and Precise Synthetic Chemistry and Applications in Huaibei Normal University,Ministry of Education;the University Top Talents Academic Funding Project of Anhui Province(gxbjzD2021097);the Natural Science Foundation of Educational Committee from Anhui Province and Huaibei Normal University(KJ2020A0045,KJ2020A1199,KJ2020B01,2023ZK078,2023ZK079);the University Synergy Innovation Program of Anhui Province(GXXT-2020-078)for financial support of this work.
Herein,a DMAP-catalyzed[4+2]annulation ofα-substituted allenoates with arylazosulfones is reported,which affords facile access to tetrahydropyridazine derivative in synthetically useful yields.This reaction features ...
关键词：DMAP [4+2]Cycloaddition Tetrahydropyridazihe derivatives Pyridazin-3-one derivatives ALLENES ZWITTERIONS N-HETEROCYCLES 
Regiocontrolled Rh(Ⅲ)-catalyzed C-C coupling/C-N cyclization mediated by distinctive 1,2-migratory insertion of gem-difluoromethylene allenes:Reaction development and mechanistic insight
《Chinese Chemical Letters》2023年第5期250-255,共6页Zhi Zhou Kaifeng Chen Yi Wang Xiuhua Zhong Shuang Lin Hui Gao Wei Yi 
the National Natural Science Foundation of China(NSFC,Nos.21877020,22007020);Natural Science Foundation of Guangdong Province(No.2019A1515010935);Science and Technology Program of Guangzhou(No.202102020615)for financial support on this study。
By developing gem-difluoromethylene allenes as viable partners,regiocontrolled Rh(Ⅲ)-catalyzed redoxneutral C-C coupling/C-N cyclization has been realized to build the pyridin-2(1H)-one motifs with the embedment of a...
关键词：Gem-difluoromethylene allenes C-H functionalization REGIOCONTROL Rhodium(Ⅲ)catalysis DFT calculations 
Enantioselective synthesis of tetrasubstituted allenes via addition/arylation tandem reaction of 2-activated 1,3-enynes
《Science China Chemistry》2023年第2期526-533,共8页Yongyan Zhang Jin Wu Lichao Ning Qianping Chen Xiaoming Feng Xiaohua Liu 
supported by the National Natural Science Foundation of China(21625205);the Sichuan University(2020SCUNL204)。
We report the development of a new class of multifunctional chiral guanidine/Pd(0)catalyst system for 1,4-addition/arylation tandem reaction.A variety of tetra-substituted allenes were readily accessible from three-co...
关键词：chiral guanidine tandem reaction three-component“one-pot” synergistic catalysis tetra-substituted allenes 
Synthesis of Mono-fluoroallenes through Copper-Catalyzed Defluorinative Silylation of α,α-Difluoroalkylalkynes被引量：2
《Chinese Journal of Chemistry》2022年第17期2035-2039,共5页Luning Tang Bing-Bing Pei Yang Song Fei Xue Yanni Yue Chao Feng 
support of the National Natural Science Foundation of China(No.21871138);Distinguished Youth Foundation of Jiangsu province.
A straightforward protocol for the synthesis of mono-fluorinated allenes via catalytic defluorinative silylation of the readily availableα,α-difluoroalkylalkynes with commercially available copper catalyst and phosp...
关键词：ALLENES COPPER DEFLUORINATION SILYLATION α α-Difluoroalkylalkyne 
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