通过邻-(甲氧基羰基)苯重氮盐,腈和2-氰基苯胺的直接反应以中等至良好的产率实现了喹唑啉代[3,4- a ]喹唑啉-13-酮的一锅合成。该方法利用了原位生成的反应性N-芳基腈离子,该离子经过进一步的胺化/串联环化/酰胺化反应,以提供所需的多环骨架,并连续形成四个N-C键。替代模式的灵活性,温和的反应条件和操作简便性是该方法的主要特点。
Substituted phenyl derivatives, their preparation and use
申请人:——
公开号:US20020037905A1
公开(公告)日:2002-03-28
The present invention discloses compounds having the formula
1
wherein the substituents are defined in the application.
The compounds are useful as chloride channel blockers.
[EN] SUBSTITUTED PHENYL DERIVATIVES, THEIR PREPARATION AND USE<br/>[FR] DERIVES DE PHENYLE SUBSTITUE, LEUR PREPARATION ET LEUR APPLICATION
申请人:NEUROSEARCH AS
公开号:WO2000024707A1
公开(公告)日:2000-05-04
The present invention discloses compounds having formula (I) wherein the substituents are defined in the application. The compounds are useful as chloride channel blockers.