Novel 3-(1,2-propadienyl)-cyclopropane-carboxylates of the formula ##STR1## wherein R is alcohol used in pyrethrinoid synthesis, X and Y are both hydrogen or individually halogen or X is hydrogen or halogen and Y is alkyl of 1 to 18 carbon atoms or halogen or X is hydrogen or halogen or alkyl of 1 to 18 carbon atoms and Y is --COOR' or --CN or ##STR2## R' is alkyl of 1 to 18 carbon atoms, R.sub.2 and R.sub.3 are individually hydrogen or alkyl of 1 to 18 carbon atoms or R.sub.2 and R.sub.3 together with the nitrogen atom form a heterocycle having pesticidal properties.
式子为##STR1##的新型3-(1,2-
丙二烯基)-
环丙烷-
羧酸酯,其中R是拟用于拟
除虫菊酯合成的
醇类,X和Y都是氢或卤素,或者X是氢或卤素,Y是1至18个碳原子的烷基或卤素,或者X是氢或卤素或1至18个碳原子的烷基,Y是--COOR'或--CN或##STR2##,其中R'是1至18个碳原子的烷基,R.sub.2和R.sub.3分别是氢或1至18个碳原子的烷基,或者R.sub.2和R.sub.3与氮原子一起形成具有杀虫性质的杂环。