云南高校图书馆联盟文献共享服务平台- OXA

OXA: 作品数：155被引量：369H指数：10; 导出分析报告; 相关领域：医药卫生更多>>; 相关作者：张晓丽张守发贾立军刘明明范学财更多>>; 相关机构：延边大学郑州大学佳木斯大学附属第一医院中国科学院更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金黑龙江省自然科学基金黑龙江省卫生厅科研项目广东省自然科学基金更多>>

One-pot synthesis of a giant twisted double-layer chiral macrocycle via [4+8] imine condensation and its X-ray structure: 《Chinese Chemical Letters》2024年第10期241-243,共3页Yu Pang Min Wang Ning-Hua Yang Min Xue Yong Yang; supported by the National Natural Science Foundation of China(Nos.21971223 and 21772178)。; Trifluoroacetic acid(TFA)catalyzed condensation reaction between tetraaminooxacalix[4]arene and N-alkylcarbazole-3,6-dicarbaldehyde in CH_(2)Cl2afforded a single product in 87%–89%yield.Well-defined yet undissolvable...; 关键词：One-pot synthesis arene Dynamic covalent chemistry Chiral macrocycle X-ray single crystal

Intermolecular[4+2]process of N-acyliminium ions with simple olefins for construction of functional substituted-1,3-oxazinan-2-ones: 《Chinese Chemical Letters》2021年第11期3526-3530,共5页Xiaoli Han Xiaodi Nie Yiman Feng Bangguo Wei Changmei Si Guoqiang Lin; the National Natural Science Foundation of China(No.21772027 to B.-G.Wei and 21702032 to C.-M.Si)for financial support.; An efficient approach to functionalized 4,6-disubstituted-and 4,6,6-trisubstituted-1,3-oxazinan-2-ones skeleton has been developed through the reaction of semicyclic N,O-acetals 4a and 4b with 1,1-disubstituted ethyle...; 关键词：N-acyliminium ions Simple olefins Intermolecular[4+2]process Substituted-1 3-oxazinan-2-ones Spiro

Metal-free direct C(sp^(3))-H functionalization of 2-alkylthiobenzoic acid to access 1,3-benzooxathiin-4-one: 《Chinese Chemical Letters》2021年第1期146-149,共4页Ke Yang Yi Li Mengjie Song Shengfei Dai Zheng-Yi Li Xiaoqiang Sun; the financial support from the National Natural Science Foundation of China(Nos.21572026,21702019);Advanced Catalysis and Green Manufacturing Collaborative Innovation Center,Changzhou University。; Metal-free direct α-C(sp^(3))-H intramolecular cyclization of 2-alkylthiobenzoic acid in the presence of Selectfluor is described.This novel strategy provides a facile and efficient method to access important 1,3-ben...; 关键词：METAL-FREE C(sp^(3))-H functionalization Selectfluor 1 3-Benzooxathiin-4-one Organic synthesis

Xylyl derived oxacalixcrowns:Synthesis and crystal structure被引量：1: 《Chinese Chemical Letters》2013年第4期279-282,共4页Xiao-Yan Li Chun Hu Ming-Liang Ma Yahu A.Liu Xian-Qiang Mi Biao Jiang Ke Wen; Financial support from the National Natural Science Foundation of China(Nos.21071053,21002031,61078071);Shanghai Commission for Science and Technology(Nos.10ZR1409700, 09ZR1422500);"Strategic Priority Research Program"of Chinese Academy of Sciences(No.XDA01020304)are acknowledged; Oxacalixcrowns 1, 2 and 3 were synthesized via reactions of dihydroxyoxacalix[2]arene[2]pyrazine S with ortho-, meta- and para-bis（bromomethyl）benzenes in a 1：1 fashion. The structures and conformations of 1, 2 and...; 关键词：areneOxacalixcrownCrown etherMacrocycle

DABCO-promoted facile and convenient synthesis of novel isoxazolyl-1H-2,3-pyrrole dicarboxylates被引量：2: 《Chinese Chemical Letters》2013年第2期134-136,共3页Rajanarendar Eligeti Kishore Baireddy Ramakrishna Saini; Received 14 September 2012 Received in revised form 5 December 2012 Accepted 14 December 2012 Available online 28 January 2013; 关键词：lsoxazolyl-t H-2 3-pyrroledlcarboxylatesDABCOOne-pot three component reaction

Isoquinoline-mediated 5-vinylation and N-vinylation of benzo[d]oxazole-2-thiol and benzo[d]thiazole-2-thiol被引量：2: 《Chinese Chemical Letters》2012年第1期5-8,共4页Issa Yavari Samira Nasiri-Gheidari Anvar Mirzaei; An effective route to 5-vinylated and N-vinylated benzo[d]oxazole-2（3H）-thiones and benzo[d]thiazole-2（3H）-thiones is described via reaction of acetylenic esters and benzo[d]oxazole-2-thiol and benzo[d]thiazole-2-...; 关键词：S-Vinylation N-Vinylation Acetylenic esters Benzo[d]oxazole-2-thiol Benzo[d]thiazole-2-thiol Isoquinoline

Expeditious method for the synthesis of novel 2,3,5,6-tetrahydrobenzo[g] [1,3,5]oxadiazocine-4-thiones linked with isoxazole: 《Chinese Chemical Letters》2008年第12期1415-1418,共4页E.Rajanarendar A.Siva Rami Reddy M.Srinivas; Synthesis of novel 3-aryl-5-（3,5-dimethylisoxazol-4-yl）-2,3,5,6-tetrahydrobenzo[g][1,3,5],oxadiazocine-4-thiones 5 has been accomplished from 3,5-dimethylisoxazol-4-amine 1 by condensation with salicylaldehydes, fol...; 关键词：Isoxazolyl-2 3 5 6-tetrahydrobenzo[g][1 3 5]oxadiazocine-4-thiones Ring closure New methodology

Novel Analogues of a-Terthienyl, Thienyl 1, 3, 4-Thia(oxa)diazoles as Potential Photoactivated Insecticides: Synthesis and Bioactivity被引量：1: 《Chinese Chemical Letters》2004年第1期7-10,共4页LiGangLIU YuFangXU XuHongQIAN QingChunHUANG; Novel 1, 3, 4-thia(oxa)diazoles containing thienyl groups were synthesized. Analogous to the naturally-occurring compound, a-terthienyl, they can be photosensitized by ultraviolet light and showed phototoxicities agai...; 关键词：THIADIAZOLES OXADIAZOLES a-terthienyl phototoxic.

Phosphate Doubly Capped Tetrahomodioxacalix[6]arene: 《Chinese Chemical Letters》2003年第2期143-144,共2页Hai Bing LI Yuan Yin CHEN; A bisphosphate-bridged tetrahomodioxacalix[6]arene with a C2v symmetry at the ambient temperature was obtained by the reaction of tetrahomodioxacalix[6]arene with POCl3.; 关键词：CALIXARENE arene phosphorus bridged.

Novel Bipolar Conjugated Polymer Containing Both Triphenylamine and Oxadizole Units被引量：1: 《Chinese Chemical Letters》2002年第5期422-425,共4页GuangWANG ZeLIU 等; This work was supported by the National Natural Science Foundation of China (No. 29725410 and 29992530) and Chinese Academy of Sciences (KJ951-A1-501-01).; A novel bipolar conjugated polymer containing triphenylamine and 1, 3, 4-oxadiazole units was synthesized by Suzuki reaction. Its structure and properties were characterized by NMR, IR, UV-Vis, PL spectroscopy and el...; 关键词：Light-emitting polymer bipolar conjugated polymer triphenylamine-containing polymer oxadizole-containing polymer.

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