云南高校图书馆联盟文献共享服务平台- SPIROCYCLIZATION

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Electrochemical Dearomative Spirocyclization of N-Acyl Sulfonamides in a Continuous-Flow Cell: 《Chinese Journal of Chemistry》2024年第9期980-984,共5页Ting Liu Zhaojiang Shi Yaofeng Yuan Yuqi Lin Ke-Yin Ye; supported by the National Natural Science Foundation of China(No.22171046);the Hundred-Talent Project of Fujian(No.50021113).; The development of efficient and sustainable methods to obtain spirocyclic compounds is of significance as these structures are widely found in pharmaceuticals and agrochemicals.Herein,we disclose an electrochemical d...; 关键词：Electrochemistry CONTINUOUS-FLOW DEAROMATIZATION SPIROCYCLIZATION SULFONAMIDES CYCLIZATION Methodology and reactions

Cobalt-Catalyzed Switchable[4+1]and[4+1+1]Spirocyclization of Aromatic Amides with 2-Diazo-1H-indene-1,3(2H)-dione:Access to Spiro Indene-2,1'-isoindolinones and Spiro Isochroman-3,1'-isoindolinones: 《Chinese Journal of Chemistry》2024年第4期363-369,共7页Bin Li Mengmeng Xie Jingyu Li Nana Shen Xinying Zhang Xuesen Fan; the National Natural Science Foundation of China(22101075,U2004189);Central Plains Science and Technology Innovation Leader Project(224200510009);Postdoctoral Research Grant in Henan Province(202103085);Henan Key Laboratory of Organic Functional Molecules and Drug Innovation,and 111 Project(D17007)for financial support.; Herein,we report a condition-controlled divergent synthesis of spiro indene-2,1'-isoindolinones and spiro isochroman-3,1'-isoindolinones through cobalt-catalyzed formal[4+1]and[4+1+1]spirocyclization of aromatic amide...; 关键词：Spiro indene-2 1'-isoindolinones Spiro isochroman-3 1'-isoindolinones 3d Transition metals Cobalt-catalyzed C-H Activation Switchable[4+1]and[4+1+1]spirocyclization Aromatic amides 2-Diazo-1H-indene-1 3(2H)-dione

Rh(III)-catalyzed [5+1] spirocyclization to produce novel benzimidazole-incorporated spirosuccinimides: 《Green Synthesis and Catalysis》2023年第4期338-341,共4页Wei-Yi Pu Xin-Yi Chen Lin Dong; We are grateful for the financial support from 111 Project(No.B18035)and“the Fundamental Research Funds for the Central Universities”.; Transition-metal-catalyzed cross-coupling reactions as very efficient and atom-economical approaches have been widely used to build up complex heterocyclic compounds.However,modification of 2-oxyl benzimidazole skelet...; 关键词：Rh(III)-catalysis 2-Oxyl benzimidazole MALEIMIDES SPIROCYCLIZATION

Electrochemical synthesis of 3-halogenated spiro [4,5]trienones based on dearomative spirocyclization strategy: 《Green Synthesis and Catalysis》2023年第4期306-310,共5页Zhiwei Chen Wei Tang Shuhang Yang Luyao Yang; We gratefully acknowledge the Provincial Planning Project of the Zhejiang Provincial Science and Technology Department(No.LGF19B060005)for financial support.; A novel and green route have been developed for the electrochemical synthesis of 3-halogenated spiro[4.5]trienones based on dearomative spirocyclization of alkynes with NaX(Br,I)as the halogen source.This transformati...; 关键词：Electrochemistry Spiro-cyclization METAL-FREE Tricyclic frameworks Spiro[4 5]trienones

Copper-Initiated Radical Dearomative 2,5-Alkylarylation of Furans via Trihalomethylation/Spirocyclization Cascade被引量：1: 《Chinese Journal of Chemistry》2022年第24期2893-2899,共7页Wenkun Luo Kai Jiang Biaolin Yin; supported by the National Natural Science Foundation of China(21871094);the Guangxi Key Laboratory of Zhuang and Yao Ethnic Medicine[(2014)No.32];We also thank the support of the Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation(No.2021CL04).; Here is an operable and rare strategy for copper-initiated radical dearomative 2,5-alkylarylation of furan. By means of this strategy, we realized the dearomatization of furans to construct spirooxindoles with good yi...; 关键词：COPPER Radical reactions DEAROMATIZATION Trihalomethylation Spiro compounds

Harnessing the cyclization strategy for new drug discovery被引量：2: 《Acta Pharmaceutica Sinica B》2022年第12期4309-4326,共18页Kai Tang Shu Wang Wenshuo Gao Yihui Song Bin Yu; This work is supported by the National Natural Science Foundation of China(Nos.22277110,81973177 and 31900875,China);the Natural Science Foundation of Henan Province(Nos.222300420069 and 222301420049,China);Program for Science&Technology Innovation Talents in Universities of Henan Province(No.21HASTIT045,China).; The design of new ligands with high affinity and specificity against the targets of interest has been a central focus in drug discovery.As one of the most commonly used methods in drug discovery,the cyclization repres...; 关键词：Ring cyclization SPIROCYCLIZATION MACROCYCLIZATION Conformational constraint Lead generation New drug discovery

Spirocyclizative Remote Arylcarboxylation of Nonactivated Arenes with CO_(2) via Visible-Light-Induced Reductive Dearomatization: 《CCS Chemistry》2022年第5期1565-1576,共12页Yuzhen Gao Hao Wang Zhuomin Chi Lei Yang Chunlin Zhou Gang Li; the financial support from NSFC(grant nos.21871257,22022111,and 21801240);the Natural Science Foundation of Fujian Province(grant no.2020J02008);the Strategic Priority Research Program of the Chinese Academy of Sciences(grant no.XDB20000000).; Visible-light-induced reductive dearomatization of nonactivated arenes is a very challenging transformation and remains in its infancy.Herein,we report a novel strategy to achieve a visible-light-induced spirocyclizat...; 关键词：carbon dioxide utilization nonactivated arene DEAROMATIZATION photocatalysis SPIROCYCLIZATION

Dearomative spirocyclization via visible-light-induced reductive hydroarylation of non-activated arenes: 《Chinese Chemical Letters》2022年第1期225-228,共4页Zhuomin Chi Yuzhen Gao Lei Yang Chunlin Zhou Meng Zhang Peiming Cheng Gang Li; the financial supports from the National Natural Science Foundation of China(Nos.22022111,21871257,21801240);the Natural Science Foundation of Fujian Province(No.2020J02008);the Strategic Priority Research Program of the Chinese Academy of Sciences(No.XDB20000000)。; A visible-light-induced spirocyclizative hydroarylation via reductive dearomatization of a series of non activated arenes including 2-phenyl indoles and naphthalene derivatives under mild conditions is de scribed.An i...; 关键词：Visible-light-induced Non-activated arene SPIROCYCLIZATION Dearomatization Reductive hydroarylation

Asymmetric Spirocyclization Enabled by Iridium and Brønsted Acid-Catalyzed Formal Reductive Cycloaddition: 《CCS Chemistry》2021年第7期1775-1786,共12页Nan-Fang Mo Le Yu Ying Zhang Ya-Hong Yao Xun Kou Zhi-Hui Ren Zheng-Hui Guan; the National Natural Science Foundation of China(grant nos.21971204 and 21622203);the Innovation Capability Support Program of Shaanxi Province(grant no.2020TD-022).; A catalytic,enantioselective spirocyclization of formanilides or formylindolines and enamides has been developed herein.The reaction proceeds through a sequential iridium-catalyzed hydrosilylation of tertiary formanil...; 关键词：asymmetric catalysis formanilides azaspirocycles chiral phosphoric acid ENAMIDES

Visible light induced the high-efficiency spirocyclization reaction of propynamide and thiophenols via recyclable catalyst Pd/ZrO2: 《Chinese Chemical Letters》2020年第2期337-340,共4页Nannan Zhang Hangdong Zuo Chen Xu Junyi Pan Jun Sun Cheng Guo; financial support from Jiangsu Planned Projects for Postdoctoral Research Funds(No.2018K293C)。; A new method for the synthesis of 3-thioazaspiro[4,5]trienones was developed using Pd nanoparticle catalysts,which are highly efficient,environmentally friendly and recyclable.Alkynes and thiophene phenols are effecti...; 关键词：VISIBLE light SPIROCYCLIZATION reaction Mild condition Pd/ZrO2 nanocomposite photocatalyst

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