摘要 |
Tertiary alcohols of the formula: <IMAGE> I wherein Y1 represents a carbonyl or hydroxymethylene group, and either (i) A1 represents a direct bond and R1 represents a phenyl group which may optionally carry one or more substituents selected from halogen atoms, straight- or branched-chain alkyl or alkoxy groups, each containing from 1 to 4 carbon atoms, and the trifluoromethyl group, or (ii) A1 represents a straight- or branched-chain alkylene group containing from 1 to 10 carbon atoms and R1 represents a hydrogen atom, or a phenyl, phenoxy or phenylthio group each of which may optionally carry one or more substituents selected from halogen atoms, straight- or branched-chain alkyl or alkoxy groups, each containing from 1 to 4 carbon atoms, and the trifluoromethyl group, are new compounds of use in the field of mammalian reproduction and also of use in the control of insects and acarines. |