2,3-diaminoacrylnitrile derivatives

Abstract From the Canadian patent

The present invention relates to 2,3-diaminoacrylonitrile derivatives or salts thereof, having the formula wherein R represents an alkyl group which may be substituted by (unsubstituted or substituted phenyl groups halogen atoms, C1-6 alkoxycarbonyl groups carboxy groups, C1-6 alkoxycarbonyl, C1-6 alkylthio groups hydroxy groups, mercapto groups, or, heterocyclic groups containing oxygen atoms) an alkenyl group, a cycloalkyl group, an aryl group which may be substituted by (halogen atoms, C1-6 alkyl groups, cycloalkyl groups nitro-groups, unsubstituted or substituted phenyl or phenoxy groups) or heterocyclic groups containing oxygen atoms or sulfur atoms. The 2,3-diaminoacrylonitrile …