A compound selected from the group consisting of all stereoisomeric forms and mixtures thereof of a compound of the formula ##STR1## wherein Y and Z are individually selected from the groups consisting of hydrogen, halogen, --CF.sub.3, alkyl, alkoxy and alkylthio of 1 to 8 carbon atoms and aryl, aryloxy and arylthio of up to 14 carbon atoms optionally substituted with at least one member of the group consisting of halogen, hydroxy optionally esterified etherified, --CF.sub.3 and alkyl of 1 to 8 carbon atoms and R is alkyl of 1 to 8 carbon atoms or the remainder of a pyrethrinoid alcohol having excellent pesticidal properties and their preparation and intermediates.
从包括所有立体异构体和混合物的化合物中选择一种化合物,该化合物的分子式为##STR1##其中Y和Z分别选自氢,卤素,--CF.sub.3,1至8个碳原子的烷基,烷氧基和烷
硫基以及高达14个碳原子的芳基,芳氧基和芳
硫基,可选地被卤素,羟基,可酯化或醚化的,--CF.sub.3和1至8个碳原子的烷基中的至少一种成员取代,R是1至8个碳原子的烷基或优异的杀虫酮醇的剩余部分,其具有优异的杀虫性能,以及它们的制备和中间体。