METHOD FOR PRODUCING BENZIMIDAZOLE DERIVATIVE

摘要

PROBLEM TO BE SOLVED: To provide a method for producing a benzimidazole derivative useful as a medicine and represented by general formula (XX) [G and J are each a benzimidazole derivative]. SOLUTION: The method for producing the derivative of general formula (XX) uses a 3,4-disubstituted-benzo[b]thiophene derivative represented by general formula (X) or a high-purity 3-halomethyl-benzothiophene derivative in a short process. COPYRIGHT: (C)2007,JPO&INPIT