C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 333/24 (2006.01) C07D 333/20 (2006.01) C07D 495/04 (2006.01)
Patent
CA 2046482
The invention relates to a process for the preparation of the compound of formula (see formula I); wherein a formylating agent is reacted with the compound of formula (see formula II) and wherein the compounds obtained are cyclised in the presence of an acid.
Descamps Marcel
Radisson Joel
Robic
Sanofi
Sanofi-Aventis
LandOfFree
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