N-HETEROCYCLES

作品数：38被引量：37H指数：3
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相关领域：理学更多>>
相关作者：张武曾程初杨靖亚更多>>
相关机构：安徽师范大学遵义医学院西北师范大学华南理工大学更多>>
相关期刊：《Science China Chemistry》《Chinese Journal of Catalysis》《Collagen and Leather》《Chinese Journal of Chemistry》更多>>
相关基金：国家自然科学基金中国博士后科学基金国家重点基础研究发展计划高等学校学科创新引智计划更多>>
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Metal-Free Nitration of Indazoles with tert-Butyl Nitrile in Air to Prepare 3-Nitroindazoles and 3-Aminoindazoles
《Chinese Journal of Chemistry》2025年第4期393-398,共6页Xin-Yue Zhang Rong-Ting Jiang Xiu-Qun Pan Chun-Hua Chen Cui Liang Dong-Liang Mo 
the NSFC(22071035);Natural Science Foundation of Guangxi(2023GXNSFDA026025);Guangxi Bagui Young Scholar is greatly appreciated.
A variety of 3-nitroindazoles and 3-aminoindazoles were prepared in good to excellent yields with high regioselectivity through TBN-mediated nitration at the C3-position of indazoles under the air conditions and seque...
关键词：NITRATION INDAZOLE 3-Nitroindazole 3-Aminoindazole C-H Amination Radical reactions N-HETEROCYCLES Cleavage reactions 
Photocatalytic Reductive Azaarenylation of Cyclopropanes via Consecutive Photo-induced Electron Transfer:A Facile Route toα-Quaternary Azaarenes
《Chinese Journal of Chemistry》2024年第23期3035-3040,共6页Gaolei Sun Wenhui Wei Xiaowei Zhao Baokun Qiao Zhiyong Jiang 
Grants from the National Natural Science Foundation of China(22271077,21925103,21901062);the Natural Science Foundation of Henan(232300421078,222301420046);the Program for Science&Technology Innovation Talents in Universities of Henan Province(24HASTIT001);the China Postdoctoral Science Foundation(2021M690890);Henan University are gratefully acknowledged.
α-Azaarene quaternary carbon centers are prevalent in drug molecules,making the development of efficient synthetic approaches of great interest.Herein,we describe an unprecedented method for constructingα-all-carbon...
关键词：Photoredox catalysis Reductive azaarenylation ConPET CROSS-COUPLING Radical reactions N-HETEROCYCLES 
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 
Annulation Cascades of Cyclosulfonium Salts and Alkenes towards Sulfur-Containing N-Heterocycles by Visible Light/Copper Catalysis
《Chinese Journal of Chemistry》2024年第14期1637-1643,共7页Jie Ma Xufeng Li Yuqing Chen Yongjia Shi Xiuyan Song Jian Lv Daoshan Yang 
the National Natural Science Foundation of China(22271170);the Scientific Research Foundation of Qingdao University of Science and Technology.
Although,great achievements have been made in the synthesis of heterocycles using radical addition/cyclization strategy,developing versatile alkyl radical precursors,especially the non-stabilized long chain alkyl radi...
关键词：Visible light Radical reactions C-C coupling Sulfur heterocycles Photoredox catalysis 
Palladium-Catalyzed[4+2]and[6+2]Dipolar Cycloadditions for the Construction of Benzo[d]isothiazole 1,1-Dioxide Fused 1,3-Oxazinanes and 1,3-Oxazocanes
《Chinese Journal of Chemistry》2024年第8期829-834,共6页Lei Chen Hongling Xie Yu Xue Zhengyu 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).
Comprehensive Summary,The Pd-catalyzed dipolar cycloaddition represents a significant synthetic strategy for the construction of useful heterocyclic compounds.This study developed the dipolar[4+2]and[6+2]cycloaddition...
关键词：Cycloaddition 1 3-Oxazinanes 1 3-Oxazocanes Medium-ring compounds STEREOCHEMISTRY N-HETEROCYCLES SULFONAMIDES ENANTIOSELECTIVITY Asymmetricsynthesis 
Metal-Free Synthesis of 2-Aminobenzothiazoles via I2-Catalyzed Tandem Cyclization Reaction of Amines and Carbon Disulfide
《Chinese Journal of Chemistry》2024年第8期846-852,共7页Ting Chen Wei Feng Ruitong Yang Shanping Chen Guo-Jun Deng 
Financial support from the National Natural Science Foundation of China(Nos.22271244,22201240,and 21871226);the Hunan Provincial Natural Science Foundation of China(No.2020JJ5531);Open Research Fund of School of Chemistry and Chemical Engineering,Henan Normal University(2022C02);the Undergraduate Investigated Study and Innovated Experiment Plan from Ministry of Education of China and the Science and Technology Innovation Program of Hunan Province(2020RC1009)is gratefully acknowledged.
Comprehensive Summary,A convenient approach for the construction of 2-aminobenzothiazoles via I2-catalyzed tandem cyclization reaction of amines and carbon disulfide has been developed.The present approach starts from...
关键词：Sulfur heterocycles C-H functionalization CYCLIZATION Tandem reaction Transition-metal-free AMINES lodine N-Heterocycles 
Ni-Catalyzed Enantioselective Difunctionalization of Alkynes to Azepine Derivatives Bearing a Quaternary Center and an Unprotected Imine
《Chinese Journal of Chemistry》2024年第8期873-878,共6页Jian Long Zhiwu Lu Xiao-Lin Li Peng Xue Wen-Bo Liu 
supported by NSFC(22222111,21971198,and 22371215);National Key R&D Program of China(2022YFA1502902);Large-scale Instrument and Equipment Sharing Foundation of Wuhan University.Dr.Zhiwu Lu thanks China Postdoctoral Science Foundation(2022M712458)for the financial support.
Comprehensive Summary,The azepine ring is a prominent structural scaffold in biologically significant molecules. In this study, we present a Ni(II)-catalyzed asymmetric difunctionalization of alkynes, involving interm...
关键词：Nickel Asymmetric catalysis N-HETEROCYCLES Alkyne functionalization Quaternary centers 
Chemoselective electrochemical seleno-cyclization of dienes to medium-sized benzo[b]azocines
《Chinese Chemical Letters》2024年第2期431-435,共5页Zhichuan Wang Xin Wang Quanxin Li Shaofei Ni Dongyang Zhao Shubin Yang Ge Qiu Kai Sun 
supported by the National Natural Science Foundation of China(No.21801007);Qingchuang Technology Support Program of University in Shandong Province(No.2021KJ066);S.-F.Ni acknowledges funding from the STU Scientific Research Foundation for Talents(No.NTF20022).
The preparation of medium-sized benzo[b]azocines has always been challenging because of inherently unfavorable enthalpy and entropy factors.This report presents a novel approach for accessing 8-membered seleno-benzo[b...
关键词：Medium-sized n-heterocycles ELECTROCATALYSIS Radical Mechanistic insights Selenylation 
Recent Advances in Domino Synthesis of Fused Polycyclic N-Heterocycles Based on Intramolecular Alkyne Hydroamination under Copper Catalysis
《Chinese Journal of Chemistry》2023年第24期3751-3771,共21页Zefeng Jin Guodong Shen Xin Lv 
financial supports from the Natural Science Foundation of Zhejiang Province(LY21B020005);the National Natural Science Foundation of China(21202152).
Fused polycyclic N-heterocycles are very important scaffolds in biomedicinal chemistry and materials science.Intramolecular alkyne hydroamination is a powerful method for the construction of N-heterocycles.In the last...
关键词：Domino reactions Polycyclic N-heterocycles Fused-ring systems Intramolecular hydroamination ALKYNES Copper CYCLIZATION Synthetic methods 
Sustainable production of value-added N-heterocycles from biomass-derived carbohydrates via spontaneous self-engineering
《National Science Open》2023年第6期1-16,共16页Feng Yu Chong Liu Fenghua Tan Yuhe Liao Liang Wang Yuping Li Feng-Shou Xiao 
supported by the National Natural Science Foundation of China(21932006);the China Postdoctoral Science Foundation(2019M652058)
Synthetic N-heterocyclic compounds,such as quinoxalines,have shown a crucial role in pharmaceutical as well as food and dye industries.However,the traditional synthesis toward N-heterocycles relies on multistep energy...
关键词：biomass conversion sustainability green chemistry CARBOHYDRATE N-heterocycle 
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