Process for preparing amidines

Details Process for preparing amidines Process for preparing amidines

C - Chemistry, Metallurgy

07

D

C07D 213/78 (2006.01) C07B 43/00 (2006.01) C07C 257/10 (2006.01) C07D 271/06 (2006.01) C07D 401/12 (2006.01) C07D 413/12 (2006.01)

Patent

CA 2264723

The invention concerns a process for preparing amidines and their salts with inorganic or organic acids. According to this process, the corresponding nitrile is reacted with ammonia, a C1-C6 alkylamine or hydrazine in the presence of a mercapto carboxylic acid and optionally in the presence of an inorganic or organic ammonium salt.

L'invention concerne un procédé de production d'amidines et leurs sels avec des acides inorganiques et organiques. Ledit procédé consiste à faire réagir le nitrile approprié en présence d'un acide mercaptocarboxylique et le cas échéant en présence d'un sel d'ammonium inorganique ou organique, avec de l'ammoniac, une alkylamine C¿1?-C¿6? ou de l'hydrazine.

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