2-(2-吡啶基)氮丙啶-2-羧酸酯和硫酯中的三元环可以在铜(II)催化下选择性裂解N-C2键或在HCl作用下选择性裂解C-C键,分别提供吡唑并[1,5- a ]吡啶或咪唑并[1,5- a ]吡啶系列的异构氮丙啶扩环产物。形成吡唑并吡啶的温和催化反应条件使得可以通过一锅、三阶段程序直接从4-溴异恶唑获得它们,而无需分离中间体2-溴氮丙啶和2-(2-吡啶基)氮丙啶。
[EN] PYRAZOLE AND IMIDAZOLE DERIVATIVES, COMPOSITIONS AND METHODS AS OREXIN ANTAGONISTS<br/>[FR] DÉRIVÉS DE PYRAZOLE ET D'IMIDAZOLE, COMPOSITIONS ET PROCÉDÉS EN TANT QU'ANTAGONISTES DE L'OREXINE
申请人:HAGER BIOSCIENCES LLC
公开号:WO2020247447A1
公开(公告)日:2020-12-10
The present invention is directed to substituted Pyrazole and Imidazole derivatives of compounds that are antagonists of orexin receptors, and which are useful in the treatment or prevention of neurological and psychiatric disorders and diseases in which orexin receptors are involved or implicated. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which orexin receptors are involved.