Synthesising method and benzoxathiepine intermediates

Details Synthesising method and benzoxathiepine intermediates Synthesising method and benzoxathiepine intermediates

C - Chemistry, Metallurgy

07

D

C07D 327/02 (2006.01) C07C 323/22 (2006.01)

Patent

CA 2562354

The invention relates to preparing derivatives of formula (1), wherein, in particular R¿1? and R¿2?, identical or different, represent a hydrogen, fluorine or chlorine atom, a hydroxy group, an alkyl radical and an alkoxy radical, R¿3? is an alkyl radical, a hydroxy group or a methoxy radical, R¿4? is a hydrogen atom or a methyl radical and R¿5? and R¿6?, 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).

L'invention concerne la préparation des dérivés de formule (1) dans laquelle notamment : R1 et R2, identiques ou différents, représentent un atome d'hydrogène, de fluor ou de chlore, un groupe hydroxy, un radical alkyle, un radical alcoxy, R3 représente : un radical alkyle, un groupe hydroxy ou un radical méthoxy, R4 représente : un atome d'hydrogène ou un radical méthyle ; R5 et R6 identiques ou différents représentent : un atome d'hydrogène, un radical alkyle, un radical alcoxy, un radical alkylthio, un radical alkylamino, caractérisé en ce qu'il met en oeuvre la réduction d'un amide de formule (9)

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