2-Alkyl-nicotinoids represented by formula (I)
wherein R1 is hydrogen, lower alkyl, phenyl alkyl or aralkyl, R2 is lower alkyl or phenyl alkyl, and R3 is represented by the formula:
wherein R4 is hydrogen or lower alkyl, Rs is lower alkyl, and n is one or two, which are prepared according to the schema:
wherein X =chlorine,bromine,
iodine or
fluorine I
The compounds of formula (i) are useful as insecticides.
由式(I)表示的 2-烷基-
烟碱化合物
其中 R1 是
氢、低级烷基、
苯基烷基或芳烷基,R2 是低级烷基或
苯基烷基,R3 由式表示:
其中 R4 是
氢或低级烷基,Rs 是低级烷基,n 是一个或两个,它们是按以下方案制备的:
其中 X =
氯、
溴、
碘或
氯、
碘或
氟 I
式 (i) 的化合物可用作
杀虫剂。