Certain intermediate imino-substituted pyridines

摘要

Intermediate imino-substituted pyridines of the formula <IMAGE> (I) in which R1 is optionally substituted aryl, R2 is optionally substituted aryl or alkyl, OH, alkoxy, aralkoxy, or optionally substituted aryloxy, R3 is isopropyl, R4 is isopropyl X is -CH2-CH2- or -CH=CH-, R is <IMAGE> R6 is H or alkyl, and R7 is H, alkyl, phenylalkyl, aryl or a cation, and their salts.