C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/479.1, 260/3
C07D 307/54 (2006.01) A01N 53/00 (2006.01) C07D 307/45 (2006.01)
Patent
CA 1140141
ABSTRACT (1R,cis)-Esters of the following general formula have pesticidal insects and acarids activity. Image (A) wherein R represents a hydrogen atom, an alkyl group containing from 1 to 10 carbon atoms optionally sub- stituted by one or nore halogen atoms, a (cycloalkyl)- alkyl group containing 3 to 7 ring carbon atoms, a total or 4 to 9 carbon atoms and optionally ring-substituted by one or more halogen atoms, a cycloalkyl group containing 3 to 7 ring carbon atoms, an alkenyl group containing 2 to 4 carbon atoms optionally substituted by one or more halogen atoms or alkynyl group containing 2 to 4 carbon atoms or an aryl group containing 6 to 12 carbon atoms or an aralkyl group containing 7 to 10 carbon atoms, each optionally ring-substituted by one or more halogen atoms; R is tbe residue of a pyrethroid alcohol, e.g. 3-phenoxy- benzyl alcohol, alpha-cyano-3-phenoxybenzyl alcohol or 5-benzyl-3-furylmethyl alcohol. or the (1R,cis)-esters, the Z-isomer form gives rise to better pesticidal acti- vity. Novel intermediates in the form of the free acid, its salts, halides and alkyl esters are also disclosed.
326805
Roman Steven A.
Soloway Samuel B.
Shell Canada Limited
Smart & Biggar
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