| 摘要 |
Insecticidal and acaricidal pyrethroid esters of formula
<CHEM>
in which R is one of certain substituted cyclopropyl radicals, A and B are certain halo, haloalkyl, alkyl and alkoxy radicals and a and b are 0, 1, 2, 3, 4 or 5, are novel and may be included in insecticidal and acaricidal compositions and used for killing insects and acarids. They can be in cis or trans configuration.
<??>Intermediate compounds in which the
<CHEM>
residue is replaced by a hydroxy group or a leaving group readily displaced by carboxylate anions are also novel.
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