Process for the scalable synthesis of 1, 3, 4,...

Details Process for the scalable synthesis of 1, 3, 4,... Process for the scalable synthesis of 1, 3, 4,...

C - Chemistry, Metallurgy

07

D

C07D 209/38 (2006.01) C07D 491/04 (2006.01)

Patent

CA 2573508

The invention is directed to a process of synthesizing compouds of formula (VI), wherein R1, R9, R3~, R 4 and Y are as set forth in the specification, and said method is useful for large scale synthesis thereof. The invention is also directed to useful intermediates for synthesizing the compounds of formula (VI) and processes of preparing said intermediates.

L'invention porte sur un procédé de synthèse de composés de formule (IV), dans laquelle R1, R9, R3', R 4 et Y sont tels que définis dans la description, ledit procédé étant utilisé pour la synthèse à grande échelle de ces composés. L'invention porte également sur des intermédiaires utilisés pour synthétiser les composés de formule (IV) et sur des procédés de préparation desdits intermédiaires.

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