Synthesising Method and Benzoxathiepine Intermediates

摘要

The invention relates to preparing derivatives of formula (1), wherein, in particular R₁ and R₂, identical or different, represent a hydrogen, flourine or chlorine atom, a hydroxy group, an alkyl radical and an alkoxy radical, R₃ is an alkyl radical, a hydroxy group, or a methoxy radical, R₄ is a hydrogen atom or a methyl radical and R₅ and R₆, identical or different, represent a hydrogen atom, an alkyl radical, an alkoxy radical, an alkylthio radical, and an alkylamino radical. The inventive method consists in reducing an amid of formula (9).