| 摘要 |
The derivs. of formula (I), in which R1 is 1-4C alkylthio, alkylsulphinyl or alkylsulphonyl; R2 is 1-4C alkyl; R3 is 1-4C alkyl or 2-4C alkenyl; X is (CH2)nR4R4, R4 is 1-4C alkyl, 2-4C alkenyl or opt. substd. benzyl, and n is 1, 2 or 3. - Cpds. are made by reaction between a thiophene cpd. of formula (II), in which Z is halogen, OH or OR and R is an active gp., and an amine of formula X-NH2.
|
