RING-EXPANSION

作品数：5被引量：1H指数：1
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相关期刊：《Organic Chemistry Frontiers》《Science China Chemistry》《Green Synthesis and Catalysis》《Chinese Chemical Letters》更多>>
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Pictet-spengler/transamination cascade reaction of indoles for modular synthesis of marinoquinoline analogues
《Green Synthesis and Catalysis》2024年第4期310-314,共5页Jinjin Chen Pingyu Jiang Xinping Liu Huawen Huang Guojiang Mao Guo-Jun Deng 
Support by the National Natural Science Foundation of China(Nos.22271244 and 22071211);the Hunan Provincial Natural Science Foundation of China(Nos.2023JJ40561 and 2022JJ40359);the Hunan Provincial Health Commission Foundation(B202313020111);Open Research Fund of School of Chemistry and Chemical Engineering,Henan Normal University(No.2022C02)is gratefully acknowledged.
The Pictet-Spengler/transamination cascade reaction enables modular synthesis of marinoquinoline analoguesthrough three-component indole ring-expansion/cyclization in the manner of novel N1–C2 cleavage of indoles.Thi...
关键词：Pictet-spengler reaction Indole ring-expansion N1-C2 cleavage INDOLE Marinoquinoline analogues 
Photoinduced copper-catalyzed alkoxyl radical-triggered ring-expansion/aminocarbonylation cascade
《Chinese Chemical Letters》2024年第6期331-336,共6页Jing-Qi Tao Shuai Liu Tian-Yu Zhang Hong Xin Xu Yang Xin-Hua Duan Li-Na Guo 
Financial support from the National Natural Science Foundation of China(Nos.21971201,22171220);the Fundamental Research Funds of the Central Universities(No.xtr072022003)。
A photoinduced copper-catalyzed alkoxyl triggered C-C bond cleavage/aminocarbonylation cascade is presented.Through adjusting the structure of alkoxyl radical precursors,functionalized lactones and ketoamides were syn...
关键词：Copper catalysis RING-EXPANSION Aminocarbonylatioin Macrolactones Keto-amides 
Acid-catalyzed ring-expansion of 4-(1-hydroxycyclobutyl)-1,2,3-triazoles
《Organic Chemistry Frontiers》2022年第4期1065-1069,共5页Mingchuan Xu Lei Liu Tao Wang Han Luo Meili Hou Luan Du Xiaolan Xin Qixing Lu Baosheng Li 
This work was supported by the NSFC(Grant 21772019);the Venture and Innovation Support Program for Chongqing Overseas Returnees(cx2019007 and cx2020047)。
We here report a direct ring-opening/semipinacol rearrangement reaction of 4-(1-hydroxycyclobutyl)-1,2,3-triazole,in which N-acyl substituted 1,2,3-triazole was generated in situ and would trigger thermo-dynamically c...
关键词：TRIAZOLE REARRANGEMENT CATALYZED 
Lewis base catalyzed ring-expansion of isatin with 2,2,2-trifluorodiazoethane(CF3CHN2):An efficient route to3-hydroxy-4-(trifluoromethyl)quinolinones
《Chinese Chemical Letters》2020年第6期1568-1571,共4页Shuaipeng Lv Yunfang Sun Yue Xu Shihai Yang Lei Wang 
financial support from the National Natural Science Foundation of China(No.81602977);the CAMS Innovation Fund for Medical Sciences(Nos.2019-RC-HL-010,2017-I2M-1013);the Science and Technology Development Project of Jilin Province of China(No.20190304050YY);China Association of Chinese Medicine(No.2017QNRC001)。
A Lewis base catalyzed ring expansion of isatin with 2,2,2-trifluorodiazoethane(CF3 CHN2)is developed.It is characterized that the merge of tetramethylethylenediamine and CF3 CHN2 generates reactive triazene intermedi...
关键词：RING-EXPANSION Lewis base HETEROCYCLE QUINOLINONES TRIAZENE 
Topological effects of macrocyclic polymers:from precise synthesis to biomedical applications被引量：1
《Science China Chemistry》2017年第9期1153-1161,共9页Jinming Hu Shiyong Liu 
supported by the National Natural Science Foundation of China(51690150,51690154,21674103,51673179);International S&T Cooperation Program of China of MOST(2016YFE0129700)
Polymer chain architectures play a crucial role in the physical properties of polymers and this unique phenomenon has been recognized as the topological effects.As one of the most representative architectures,macrocyc...
关键词：MACROCYCLIC ring-closing RING-EXPANSION blood circulation time gene delivery colloidal stability 
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