abstract |
PURPOSE: Amidine compound I (Het is N-containing 5-6-membered ring; R 1 is alkylene, etc.; Z is direct bond, S, O; R 2 is direct bond, alkylene, phenylene; X is amono, cyano, OH, carbamoyl, etc.; R 3 is alkyl, aryl, aralkyl); e.g. Ncyano-N'-2-[(thiazol-4-yl)-methylthio]-ethyl -acetamidine. n COPYRIGHT: (C)1978,JPO&Japio |