General and Expedient Synthesis of 1,4-Dioxygenated Xanthones
作者:Alexander L. Nichols、Patricia Zhang、Stephen F. Martin
DOI:10.1021/ol201910v
日期:2011.9.2
A facile entry to 1,4-dioxygenated xanthones having a variety of substitution patterns and substituents was developed that features a novel application of the Moore cyclization using substrates that were readily assembled in a highly convergent fashion by an acetylide stitching process. The practical utility of the methodology was demonstrated by an efficient synthesis of a naturally occurring xanthone and correction of the structure of dulcisxanthone C.
WO2007/8037
申请人:——
公开号:——
公开(公告)日:——
[EN] NOVEL CHROMEN-2-ONE BASED HYDROXAMIC ACID DERIVATIVES HAVING ANTI-INFLAMMATORY ACTIVITY, THE PREPARATION THEREOF AND A COMPOSITION CONTAINING THE SAME FOR TREATING INFLAMMATORY DISEASE<br/>[FR] NOUVEAUX DERIVES D'ACIDE HYDROXAMIQUE A BASE DE CHROMENE-2-ONE QUI PRESENTENT UNE ACTIVITE ANTI-INFLAMMATOIRE, PREPARATION DE CEUX-CI ET COMPOSITION CONTENANT CEUX-CI, UTILISEE POUR TRAITER DES MALADIES INFLAMMATOIRES
申请人:JEIL PHARMACEUTICAL CO LTD
公开号:WO2007008037A1
公开(公告)日:2007-01-18
[EN] The present invention relates to novel chromen-2-one based hydroxamic acid derivatives having anti-inflammatory activity, the preparation thereof and a composition containing the same for treating inflammatory disease. [FR] La présente invention concerne de nouveaux dérivés d'acide hydroxamique à base de chromène-2-one qui présentent une activité anti-inflammatoire, ainsi que la préparation de ceux-ci et une composition contenant ceux-ci, utilisée pour traiter des maladies inflammatoires.