| abstract |
NEW MATERIAL:The compound of formula I {R 1 and R 2 are H, alkyl, alkoxy, phenyl, etc., or together form group of formula II (R 3 is alkyl, alkoxy, acyl, phenyl, etc.; n is 0W4); A is group of formula III or formula IV [R 4 WR 7 are H, CN or B-R 8 (B is Alk, CO, Alk-CO, SO 2 , Alk-SO 2 , etc.; Al is alkylene or alkenylene; R 8 is H, halogen, amino, aryl, etc.)]}. n EXAMPLE: 3-Methyl-2-cyanoiminobenzothiazoline. n USE: An antiulcer agent and a remedy for hepatopathy. n PREPARATION: For example, a compound of formula VII can be produced by reacting a compound of formula V with a dimethyl cyanamidothiocarbonate of formula VI. n COPYRIGHT: (C)1988,JPO&Japio |