Compounds of the formula ##STR1## wherein R.sup.1 is an optionally halo-substituted hydroxcarbyl group, and X is --C(O)Cl, --C(O)Br or C(O)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是可选卤素取代的羟基烃基基团,X是--C(O)Cl,--C(O)Br或C(O)OR,其中R是H,盐形成阳离子,烷基基团或拟
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-卡烯开始使用多步合成制备的。