专利号:US-2015045564-A1 优先权日:2012-01-03 标 题 :Cu-MEDIATED ANNULATION FOR THE EFFECTIVE SYNTHESIS OF 3-SUBSTITUTED PHTHALIDES 发明人:REDDY SANTHOSH REKULA; PRAGATI KISHORE PRASAD; NAGA KIRAN; SUDALAI ARUMUGAM 权利人:COUNCIL SCIENT IND RES 摘要:The present invention disclosed herein is a novel commercially feasible, one pot synthesis of library of 3-substituted phthalides of formula I via CuCN mediated oxidative cyclization in high yield. Formula I
专利号:CN-114671744-A 优先权日:2020-12-24 标 题 :A Green Method for Synthesis of Compounds Containing Biaryl Structures by Suzuki Coupling Reaction
专利号:US-5145865-A 优先权日:1989-04-19 标 题 :Phenylcarboxylic acid derivatives having hetero ring 发明人:FUJII SETSURO; FUJII ADMINISTRATOR BY SHINICH; TAKADA ADMINISTRATOR BY KAORUK; KAWAMURA HIROYUKI; WATANABE SHINICHI 权利人:OTSUKA PHARMA CO LTD 摘要:Phenylcarboxylic acid derivatives having a hetero ring in the substituent of the formula: ##STR1## wherein R 1 is halogen, alkyl, cycloalkyl, hydroxy, alkoxy, phenoxy which has a substituent selected from halogen and alkyl, carboxyl, alkylsulfonyloxy, phenylsulfonyloxy optionally substituted by halogen, alkylsulfonyloxyalkoxy, amino, alkanoylamino, benzoylamino, alkenyloxy, phenylalkoxyalkoxy, hydroxyalkoxy, phenylalkoxy having optionally 1 to 3 substituents selected from halogen, alkyl and alkoxy, halogenoalkyl, cycloalkyloxy optionally substituted by hydroxy, alkoxy substituted by cycloalkyl having optionally hydroxy substituent, imidazolylalkyl or imidazolylalkoxy; k is 0 or 1 to 3; or (R 1 ) k is alkylenedioxy; A is alkylene or alkylenoxy; l is 0 or 1; B is methylene or carbonyl; m is 0 or 1; D is alkylene; E is alkylene or alkenylene; n is 0 or 1; and R 2 is hydrogen or alkyl, or a salt thereof, which have fatty acid synthesis-inhibitory activity, cholesterol synthesis-inhibitory activity and are useful as antilipidemic agent, prophylactic and treating agent of arteriosclerosis, prophylactic and treating agent of obesity, antidiabetics.
专利号:CN-111378456-B 优先权日:2018-12-29 标题:A kind of negative liquid crystal compound containing alkenyl terminal and its synthesis method
专利号:CN-112811994-B 优先权日:2019-11-18 标题:A kind of difluoroether compound whose terminal group is 3-pentenyl and its synthesis method
专利号:CN-112811994-A 优先权日:2019-11-18 标题:A class of difluoroether compounds whose terminal group is 3-pentenyl and its synthesis method