Pyrazine preparation

Details Pyrazine preparation Pyrazine preparation

C - Chemistry, Metallurgy

07

D

C07D 241/12 (2006.01) C07D 405/04 (2006.01) C07D 405/06 (2006.01)

Patent

CA 2105937

A process for the preparation of trialkyl pyrazine compounds which comprises reacting an aqueous medium containing a 1-hydroxy-2-ketone, an ammonium compound and an aldehyde during which the 1-hydroxy-2-ketone is added dropwise to form a trialkyl pyrazine compound and isolating the trialkyl pyrazine compound.

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