Compounds of the formula ##STR1## wherein R.sup.1 is a hydrocarbyl group, W is a chlorine or bromine atom or --OR in which R is H, a salt-forming cation, an alkyl group or the residue of a pyrethroid alcohol are new pesticides or intermediates therefore. The compounds are prepared using a multi-step synthesis starting from the natural terpene, 3-carene.
式为##STR1##的化合物,其中R.sup.1是一个烃基团,W是
氯或
溴原子或--OR,其中R是H,一个盐形成阳离子,一个烷基团或拟
除虫菊酯醇的残基,是新的
杀虫剂或其中间体。这些化合物是从天然萜烯3-
蒎烯开始使用多步合成法制备的。