Patent ID: 8691854

Claim:
A compound having the following formula I wherein X represents sulfur; R1 represents an aryl or heteroaryl group; R2 represents an alkyl, cycloalkyl, aryl or heteroaryl group; R3 represents a hydrogen atom, with the exception of the compounds 3-phenyl-2-propenal-[4-(4-nitrophenyl)-2-thiazolyl]hydrazone; 3-phenyl-2-propenal-[4-(4-methoxyphenyl)-2-thiazolyl]hydrazone; 3-phenyl-2-propenal-[4-(4-fluorophenyl)-2-thiazolyl]hydrazone; 3-phenyl-2-propenal-[4-(4-bromophenyl)-2-thiazolyl]hydrazone; 3-phenyl-2-propenal-[4-(4-chlorophenyl)-2-thiazolyl]hydrazone; 3-phenyl-2-propenal-[4-(4-methylphenyl)-2-thiazolyl]hydrazone; 3-phenyl-2-propenal-[4-(1-naphthalenyl)-2-thiazolyl]hydrazone; 3-phenyl-2-propenal-[4-(2,4-dichlorophenyl)-2-thiazolyl]hydrazone; 3-phenyl-2-propenal-[4-(3-nitrophenyl)-2-thiazolyl]hydrazone; 2-butenal-[4-(4-nitrophenyl)-2-thiazolyl]hydrazone; cinnamaldehyde-(4-phenyl-2-thiazolyl)hydrazone; crotonaldehyde-(4-phenyl-2-thiazolyl)hydrazone; as well as their addition salts with pharmaceutically acceptable acids.