The invention is concerned with novel heterocyclic compounds of the formula ##STR1## wherein R is C.sub.1-12 -alkyl, C.sub.3-12 -alkenyl, C.sub.3-12 -alkynyl or C.sub.3-8 -cycloalkyl and X signifies oxygen or sulfur, and none of the possible multiple bonds of R is present in the .alpha.-position of X, and their acid addition salts, processes for their manufacture, pest control compositions which contain these compounds as the active substance as well as the use of such compounds or compositions for the control of pests. Moreover, the invention is concerned with starting materials used for the preparation of such compounds.
该发明涉及一种新型
杂环化合物,其
化学式为##STR1##其中R是C.sub.1-12-烷基,C.sub.3-12-烯基,C.sub.3-12-炔基或C.sub.3-8-环烷基,X表示氧或
硫,R的所有可能多键不在X的α位存在,以及它们的酸加成盐,制造它们的过程,含有这些化合物作为活性物质的
杀虫剂组合物以及使用这些化合物或组合物控制害虫。此外,该发明涉及用于制备这些化合物的起始材料。