CYCLIZATION

作品数：308被引量：198H指数：5
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相关作者：王勇刘玮巫瑞波陈立功白国义更多>>
相关机构：郑州大学武汉大学苏州大学广西师范大学更多>>
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Tandem asymmetric propargylic amination/carboxylative cyclization reaction to chiral 5-methylidene-2-oxazolidinones using CO_(2) as C1 synthon
《Science China Chemistry》2025年第4期1402-1411,共10页Zheng Zhang Zhi-Hao Zhang Ying Sun Yun-Hao Tang Yi-Zhuo Yang Feng Zhou Jian Zhou 
supported by the National Natural Science Foundation of China(21871090,21725203);the National Key Research and Development Program of China(2020YFA0710200);the Shanghai Science and Technology Innovation Action Plan(20JC1416900);the Innovation Program of Shanghai Municipal Education Commission(2023ZKZD37);the Fundamental Research Funds for the Central Universities.
We report a tandem asymmetric Cu-catalyzed propargylic amination(ACPA)/Ag-catalyzed carboxylative cyclization(SCC)with CO_(2) to 5-methylidene-2-oxazolidinones;even with tetrasubstituted stereocenters.By varying pyrid...
关键词：CO_(2) 2-oxazolidinone tandem sequence propargylic amination carboxylative cyclization 
Radical Functionalization of 1,6-Diene via Transannular Cyano Migration:Synthesis of Polysubstituted Cyclopentanes
《Chinese Journal of Chemistry》2025年第4期437-442,共6页Ziqiang Wang Yasu Chen Chen Zhu 
the National Natural Science Foundation of China(22171201 and 22371185);the Fundamental Research Funds for the Central Universities(23x010301599,24x010301678);the Program of Shanghai Academic/Technology Research Leader(23XD1421900).
An efficient transannular cyano migration is reported for gem-dicyano-1,6-diene,which is triggered by the addition of external arylsulfonyl radicals.The overall transformation proceeds through a sequence of intramolec...
关键词：Cyano migration CYCLOPENTANE 1 6-Diene Photoredox catalysis Radical reactions Radicals CYCLIZATION Rearrangement 
Biomimetic proton pocket and effective interfacial modulation for zinc metal anodes
《Science China Chemistry》2025年第2期526-535,共10页Qi Dong Qingshun Nian Xuan Luo Jiajia Fan Jinyu Jiang Zhuangzhuang Cui Digen Ruan Xiaodi Ren 
supported by the National Key R&D Program of China(2021YFA1201800);the Fundamental Research Funds for the Central Universities(WK3430000007).
Rechargeable aqueous zinc batteries(RAZBs)offer a promising solution for large-scale energy storage due to the abundance,low cost,and safety of Zn.However,practical applications are hindered by Zn anode instability,de...
关键词：zinc metal anode dendrite suppression interfacial modulation proton-triggered cyclization Zn(ClO_(4))2 electrolyte 
Enantioselective copper-catalyzed dearomative borylative cyclization of indoles and mechanistic insights
《Science China Chemistry》2025年第2期670-678,共9页Yanfei Li Xuetao Li Zheng Zhang Yiliang Zhang Xiuping Yuan Jianjun Yin Simin Wang Wei Guan Qian Zhang Tao Xiong 
supported by the Natural Science Foundation of Jilin Province(20210101134JC);the National Natural Science Foundation of China(22171042,21831002,22193012);the Fundamental Research Funds for the Central Universities.
Alicyclic nitrogen heterocycles,such as enantioenriched polycyclic fused[1,2-a]indoline derivatives,are widespread in natural products,agrochemicals and pharmaceutical agents.Existing methods predominantly rely on the...
关键词：copper catalysis DEAROMATIZATION borylative cyclization INDOLES DFT calculations 
Metal-free construction of diverse 1,2,4-triazolo[1,5-a]pyridines on water
《Chinese Chemical Letters》2025年第1期244-247,共4页Chunhua Ma Mengjiao Liu Siyu Ouyang Zhenwei Cui Jingjing Bi Yuqin Jiang Zhiguo Zhang 
financial support from the National Natural Science Foundation of China(No.82003585);the Program for Science&Technology Innovation Talents in Universities of Henan Province(No.24HASTIT069);the Technical Innovation Team of Henan Normal University(No.2022TD03);the Special Project for Fundamental Research in University of Henan Province(No.23ZX009);the Henan Science and Technology Program(No.232102310364);the Key Project of Henan Educational Committee(No.22A150041);Excellent Youth Foundation of Henan Scientific Committee(No.222300420012);the Young Core Instructor Training Program of Xinyang Agriculture and Forestry University(2023)。
A transition-metal-and oxidant-free amination/cyclization reaction to access 1,2,4-triazolo[1,5-a]pyridines was realized in water by using amino diphenylphosphinate as amino source.A broad array of readily accessible ...
关键词：1 2 4-Triazolo[1 5-a]pyridines On water N-(Pyridyl)amides CYCLIZATION METAL-FREE 
Divergent Assembly of Functionalized Pyrazolo[1,5-a]pyridine Derivatives via[3+2]Cyclization of N-Aminopyridinium Salts with Various Unsaturated Hydrocarbons
《Chinese Journal of Chemistry》2024年第24期3355-3361,共7页Xiang Liu Shaohong Ma Shi Yan Xiaotian Shi Shuting Li Yanlong Ma Hua Cao 
supported by a Start-up Grant from Guangdong Pharmaceutical University(Grant No.51304043005);Guangdong Province College Student Innovation and Entrepreneurship Training Program Project(202310573021).
Two reaction modes for metal-free[3+2]cyclization of N-aminopyridinium derivatives withβ-alkoxyvinyl trifluoromethylketones have been described through selective C—O or C—O/C—C bond cleavage.This strategy can also...
关键词：Synthetic methods ALKENES CYCLIZATION [3+2]Annulation N-HETEROCYCLES 
Catalytic Asymmetric[4+2]Cyclization of Hydroxyphenyl Indolinone with Azlactone to Construct Spirooxindoleδ-Lactone
《Chinese Journal of Chemistry》2024年第24期3362-3366,共5页Xuerui Wang Weiwu Ren 
We thank the Qingdao Marine Science and Technology Center(No.2022QNLM030003-2);the Fundamental Research Funds for the Central Universities,Taishan Scholar Program of Shandong Province(No.tsqn201909056);National Natural Science Foundation of China(No.22171251)for financial support.
An efficient asymmetric[4+2]cyclization of hydroxyphenyl indolinone with azlactone for the synthesis of spirooxindoleδ-lactone has been developed,which realized the first asymmetric reaction of hydroxyphenyl indolino...
关键词：Asymmetric synthesis Hydroxyphenyl indolinone AZLACTONE Spirooxindoleδ-lactone Quaternary stereocenter 
Photochemical Decarboxylative Radical Alkylation/Cyclization Reaction to Fused Nitrogen Heterocycles by Lil/PPh_(3)Catalysis
《Chinese Journal of Chemistry》2024年第24期3373-3378,共6页Jia-Li Sui Xin-Qian Liu Shun-Dan Li Peng-Fei Huang Yu Liu Jin-Heng Li 
supported by the National Natural Science Foundation of China(22078084);the Scientific Research Fund of Hunan Provincial Education Department(22B0674);the Science and Natural Science Foundation of Hunan Province(Nos.2023J30273 and 2023J40301).
A visible-light-induced decarboxylative radical cascade cyclization reaction between N-(2-cyanoaryl)-acrylamides and alkyl N-(acyloxy)phthalimide(NHPI esters)for the construction of phenanthridine derivatives has been...
关键词：Photocatalysis CYCLIZATION Nitrogen heterocycles N-Hydroxyphthalimide esters PHENANTHRIDINE ALKYLATION Radical reactions DECARBOXYLATION 
Organophosphoric Acid Catalyzed[3+3]Cyclization for the Synthesis of Indenoquinolinedione Derivatives
《有机化学》2024年第12期3727-3738,共12页Guo Xinyan Yu Haolei Wan Honglin Lu Yua Tan Wei Shi Feng 
国家自然科学基金(Nos.22125104,22301112);江苏省自然科学基金(No.BK20210916);本科生创新项目(Nos.202410320104Y,XSJCX14139);江苏省优秀科技创新团队资助项目.
An organophosphoric acid catalyzed[3+3]cyclization of 2-arylidene-indan-1,3-diones with enaminones has been established,which afforded a series of structurally diverse indenoquinolinedione derivatives in moderate to e...
关键词：organophosphoric acid [3+3]cyclization ORGANOCATALYSIS ENAMINONE 1 4-DIHYDROPYRIDINE 
A N-Heterocyclic Olefin Decorated Organic-Inorganic Dual-Site Catalyst Toward Multiple Component CO_(2)Fixation
《Renewables》2024年第6期405-413,共9页Zhong-Gao Zhou Jia Zhang Qian Xie Jing Li Ping-Ping Xu Xue-Feng Zhang Zi-Yi Du Chun-Ting He Xiao-Ming Chen 
financially supported by the National Natural Science Foundation of China(grant nos.22161021,22261002,21890382,and 22375079);the Key Project of Jiangxi Provincial Department of Science and Technology(grant nos.S2023ZRZDL0164,20232ACB203016,and S2023ZRMSL0668);the Key Laboratory of Jiangxi University for Functional Materials Chemistry(grant no.FMC21702);the Education Department of Jiangxi Province(grant nos.GJJ201427 and SZUGSHX2022-1043);C.-T.H.acknowledges the support of Jiangxi Province(grant no.20224ACB214001).
Converting low-concentration carbon dioxide(CO_(2))into value-added chemicals meets the demand of carbonneutral technologies,yet efficient and stable catalysts for CO_(2)absorption and activation are urgently desired....
关键词：single-atom catalysts CO_(2)conversion carboxylation-cyclization-cross-coupling tri-component reactions heterogeneous catalysts 
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