OXAZOLE DERIVATIVES AND THEIR USES AS TYROSINE KINASE INHIBITORS

摘要

A compound represented by formula (1) wherein m is 1 or 2, R<1> is a halogen or an optionally halogenated C1-2 alkyl; one of R<2> and R<3> is a hydrogen atom and the other is a group represented by formula (2) or (3) wherein n is 3 or 4; R<4> is a C1-4 alkyl group substituted by 1 or 2 hydroxy groups, or a salt thereof shows tyrosine kinase-inhibiting activity.