C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 231/16 (2006.01) C07D 231/14 (2006.01) C07D 231/22 (2006.01)
Patent
CA 2557284
The invention relates a method for producing a compound of formula (I), wherein W is a -COOR group or CN radical, R¿1 ?is a hydrogen or halogen atom or a (C¿l? -C¿4?)alkyl group, R¿3?, R¿4?, R¿5?, R¿6?, R¿7 ?represent independently of each other a hydrogen or halogen atom or a (C¿l? -C¿4?)alkyl, (C¿1?-C¿4?)alkoxy or trifluoromethyl group and R is a (C¿1?-C¿4?)alkyl or benzyl group.
La présente invention concerne un procédé pour la préparation d'un composé de formule (I): dans laquelle: W représente un groupe -COOR ou un radical -CN ; R1 représente un atome d'hydrogène ou d'halogène ou un groupe (Cl -C4)alkyle ; R2, R3, R4, R5, R6, R7 représentent chacun indépendamment l'un de l'autre un atome d'hydrogène ou d'halogène ou un groupe (C1-C4)alkyle, (C1-C4)alcoxy ou trifluorométhyle ; R représente un groupe (C1-C4)alkyle ou benzyle.
Daumas Marc
Vayron Philippe
Kirby Eades Gale Baker
Sanofi-Aventis
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