申请人:Demattei John
公开号:US20100130748A1
公开(公告)日:2010-05-27
Provided are methods for the synthesis of heterocyclic compounds such as benzimidazole carboxylic acid core structures having Formula Ia-2 and their synthetic intermediates: wherein X
1
, X
2
, X
5
, R
1
, R
2
and R
4
are as defined herein. Compounds of Formula Ia-2 and their synthetic intermediates can be used to prepare heterocyclic derivatives such as benzimidazole derivatives.
提供了一种合成杂环化合物的方法,例如具有公式Ia-2的苯并咪唑羧酸核心结构及其合成中间体:其中X1、X2、X5、R1、R2和R4如此定义。公式Ia-2的化合物及其合成中间体可用于制备杂环衍生物,例如苯并咪唑衍生物。