Polycyclic amino derivatives of pyrrolidone and piperidone
申请人:Ciba-Geigy Corporation
公开号:US04058529A1
公开(公告)日:1977-11-15
A series of compounds of the formula ##STR1## have been found to exhibit useful pharmacological properties, e.g. antiinflammatory and analgetic activity.
已发现一系列具有有用药理特性的化合物,例如抗炎和镇痛活性,其化学式为##STR1##。
US4058529A
申请人:——
公开号:US4058529A
公开(公告)日:1977-11-15
Catalyst-free one-pot cascade cyclization: An efficient synthesis of isoindolobenzoxazinones and isoindoloquinazolinones derivatives
作者:Wenzhong Li、Baibai Wan、Ran Shi、Si Chen、Jiazhu Li、Fangzhen Wang、Hexu Niu、Xin-Ming Xu、Wei-Li Wang
DOI:10.1016/j.tet.2021.132571
日期:2022.1
A practical and efficient catalyst-free cascade cyclization reaction of 2-acylbenzoic acids with various amino alcohols or diamines was developed. This protocol provides a powerful and straightforward method for the one-pot synthesis of diverse isoindolobenzoxazinones, isoindoloquinazolinones and their derivatives. The synthetic strategy evades the use of catalyst, shows a broad substrate scope and