Process for the synthesis c-2, c-3 substituted n-alkylated...

Details Process for the synthesis c-2, c-3 substituted n-alkylated... Process for the synthesis c-2, c-3 substituted n-alkylated...

C - Chemistry, Metallurgy

07

C

C07C 303/38 (2006.01) C07C 303/40 (2006.01) C07C 311/12 (2006.01) C07D 209/14 (2006.01)

Patent

CA 2576008

The present invention provides method for making a compound of formula (1) comprising the steps of reacting compounds of formulas (2) and (3) to produce a compound of formula (4) wherein R1, R2, R3, R4 and R5 are defined as described herein. The compound of formula (4) is then converted to the compound of formula (1). The invention further comprises compounds of formula (3) and (4) and methods for making compounds of formulae (3) and (4).

La présente invention concerne une méthode de production d~un composé de formule (1) comprenant les étapes de réaction de composés de formules (2) et (3) pour produire un composé de formule (4) dans laquelle R1, R2, R3, R4 et R5 sont tels que définis dans la description. Le composé de formule (4) est ensuite converti en composé de formule (1). L~invention comprend en outre des composés de formules (3) et (4) et des méthodes de production de composés de formules (3) et (4).

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