Imidazole compound for use as an intermediate in the production of cinnamide compounds

摘要

The present invention relates to a process for preparing a compound of formula (6a):
wherein Ar 1 represents an imidazolyl group and Ar 2 represents a pyridinyl, pyrimidinyl or phenyl group, which comprises the step of:
subjecting a compound of formula (5a):
and a compound of formula (4a):
to a coupling reaction.