Novel derivatives of guanidines of the series cinámica

摘要

Guanidines derivatives of cinámica series of the following general formula (I): ** ** Formula wherein: - R represents a hydrogen atom or a C1-C4 alkoxy group, - R1 represents a hydrogen atom, a alkoxy group C1-C4, NO 2 or OH group, - R2 represents a hydrogen atom, a C1-C4 alkoxyl group or an OH group, - R1 and R2 may also form a OCH 2 O group together, - R3 represents an atom hydrogen or C1-C4 alkoxy group, - unable R, R1, R2 and R3 simultaneously represent a hydrogen atom, and - R4 represents a hydrogen atom, and their salts and isomers thereof.