Compounds of formula (I):
having the 6-S-absolute configuration, or, where appropriate, a salt thereof wherein X is selected from:
and
Y is oxygen, or sulphur
R1 is alkyl or aralkyl
R2, R3 and R4 are the same or different and each is selected from hydrogen, alkyl, aryl, substituted aryl, aralkyl, substituted aralkyl, and, in addition R2 and R3 are also selected from heterocyclyl and substituted heterocyclyl, except that when Y is oxygen, R2 and R4 are hydrogen,
and the dotted line is an optionally present carbon-carbon bond, have anthelminthic activity.
式(I)化合物:
具有 6-S-绝对构型的化合物或(如适用)其盐 其中 X 选自
和
Y 是
氧或
硫
R1 是烷基或芳烷基
R2、R3 和 R4 相同或不同,各自选自
氢、烷基、芳基、取代的芳基、烷基、取代的烷基,此外,R2 和 R3 还选自杂环基和取代的杂环基,但当 Y 为
氧时,R2 和 R4 为
氢、
且虚线为可选的
碳-
碳键时,具有驱虫活性。