N-[4-(3-aminopropyl)-aminobutyl]-2-( omega -guanidino-fatty-acid-amido)-2-substituted-ethanamide and salt thereof

摘要

N-[4-(3-Aminopropyl)aminobutyl]-2-( omega -guanidino-fatty acid-amido)-2-substituted-ethanamides represented by the general formula I wherein Y represents -(CH2-CH2-, -CH=CH or R represents a hydrogen atom, an alkyl group of 1 to 4 carbon atoms which may have a hydroxyl group as substituent, or a benzyl group, and n is an integer of from 1 to 8, provided that when Y is and n is 4, R represents the groups other than the hydrogen atom; a salt thereof having antitumor activity in experimental animal tumors and a process for the preparation thereof is provided.