| abstract |
4-Oxythiazolidin-2-ylidene -acetamide derivs. of formula (I): R1 = H, 1-4C unsatd. or satd. aliphatic hydrocarbyl, aryl or aralkyl; R2 = H, 1-9C alkyl or 2-9C alkylaminoalkyl; X = a bond or 1-4C alkylene; R3-R5 = H, 1-4C alkyl, alkoxy or alkylthio, halogen, OH, NO2, 2-5C alkoxycarbonyl or COOH, or 2 adjacent gps. may form OCH2O or OCH2CH2O; R6 and R7 = H or 1-4C alkyl. |