| 摘要 |
<p>. The invention relates to a process for the preparation of compounds of the formula : (I) in which R1, R2 and R3 represent independently a hydrogen atom, a halogen atom, a trifluoromethyl group, a nitro group, a C1-4 alkoxy group or a C1-4 alkyl group, R4 represents a heterocyclic radical selected from the radicals having the formulae , and in which R5 and R6 represent independently a hydrogen atom, a C1-4 alkyl group, a phenyl group or a halophenyl group, R7 represents a hydrogen atom or a C1-4 alkyl group, and of their pharmaceutically acceptable acid addition salts. These compounds are useful for the treatment of gastric ulcers.</p> |
