A cyclopropanecarboxylate represented by the formula, ##SPC1## Wherein R.sub.1 is hydrogen atom, methyl or ethyl group, R.sub.2 is methyl, ethyl, 2-methyl-1-propenyl or 2-methoxycarbonyl-1-propenyl group when R.sub.1 is hydrogen atom, or R.sub.2 is methyl or ethyl group when R.sub.1 is methyl or ethyl group, and R.sub.3 and R.sub.4 are respectively hydrogen atom, methyl or ethyl group, provided that the case where R.sub.1, R.sub.3 and R.sub.4 are simultaneously hydrogen atom is excluded, R.sub.5 is a lower alkynyl or a lower alkenyl group, R.sub.6 is a lower alkynyl, a lower alkenyl or a lower alkoxyalkyl group, R.sub.7 is hydrogen atom, a lower alkyl or a lower alkoxy group or a halogen atom, n is 1 or 2, and X is oxygen or sulfur atom, which is useful as an active ingredient of insecticides.
Novel carboxylic acid esters of the formula ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are identical or different and each is hydrogen, halogen or alkyl or alkenyl of up to 5 carbon atoms, Y is 3-(2,2-dihalogenovinyl)-2,2-dimethyl-cyclopropyl or a radical of the formula ##STR2## where R.sup.4 is unbranched or branched alkyl, alkenyl or alkynyl of up to 4 carbon atoms or is an alicyclic radical of 3 to 7 carbon atoms, R.sup.5 is halogen, alkyl or alkoxy of up to 5 carbon atoms, trihalomethyl, cyano or nitro and a is from 0 to 3 and Z is a radical of the formula ##STR3## where X is oxygen, sulfur or --CH.sub.2 --, R.sup.6, R.sup.7 and R.sup.8 are halogen or alkyl, alkoxy or haloalkyl of up to 5 carbon atoms and b, c and d are from 0 to 3, their preparation and their use in insect and arachnid control.
Novel cyclopropane carboxylic acid esters of the formula ##STR1## wherein X.sub.1 is selected from the group consisting of hydrogen, fluorine, chlorine and bromine, X.sub.2 is selected from the group consisting of fluorine, chlorine and bromine, X.sub.3 is selected from the group consisting of chlorine, bromine and iodine and R is selected from the group consisting of ##STR2## and benzyl optionally substituted with at least one member of the group consisting of alkyl of 1 to 4 carbon atoms, alkenyl of 2 to 6 carbon atoms, alkenyloxy of 2 to 6 carbon atoms, alkadienyl of 4 to 8 carbon atoms, methylenedioxy, benzyl and halogens, R.sub.1 is selected from the group consisting of hydrogen and methyl, R.sub.2 is selected from the group consisting of monocyclic aryl and --CH.sub.2 --C.tbd.CH,R.sub.3 is an aliphatic of 2 to 6 carbon atoms having at least one double bond, R.sub.4 is selected from the group consisting of hydrogen, --CN and --C.tbd.CH, R.sub.5 is selected from the group consisting of chlorine and methyl, n is 0, 1 or 2, R.sub.6, R.sub.7, R.sub.8 and R.sub.9 are individually selected from the group consisting of hydrogen, chlorine and methyl and S/I indicates that the ring may be aromatic, dihydro or tetrahydro having pesticidal properties, and a process for their preparation.
New insecticides are of formula: ##STR1## wherein R.sup.1 represents hydrogen or a methyl group; R.sup.2 represents hydrogen or a halogeno or lower alkyl group; R.sup.3 represents hydrogen or a halogeno or carbo(lower alkoxy) group which contains at least 2 carbon atoms in the lower alkoxy residue when R.sup.2 represents methyl; with the proviso that (a) R.sup.2 and R.sup.3 each represent hydrogen only when R.sup.1 represents methyl, (b) when R.sup.1 and R.sup.3 each represent hydrogen and R.sup.2 represents alkyl, that alkyl group contains at least 2 carbon atoms and (c) when R.sup.3 represents halogeno, R.sup.2 represents hydrogen or halogeno; and R represents a group which forms insecticidal esters with chrysanthemic acid e.g. 5-benzyl-3-furylmethyl, 3-phenoxybenzyl, .alpha.-cyano-3-phenoxybenzyl. The esters are prepared by forming the ester linkage conventionally or by a Wittig reaction using a 3-formyl- or 3-acetyl-2,2-dimethyl cyclopropane carboxylic acid esterified with the desired residue or by an alkyl group which is subsequently converted to the desired residue.
4531008 - Optically active phenyl acetates - Owned by Sumitomo Chemical Co., Ltd. (JP) [*] Notice:The portion of the term of this patent subsequent to December 13, 1994 has been disclaimed.
Substituted acetate compounds represented by the formula ##STR1## which are useful as pesticides and pesticidal composition containing the substituted acetate compounds as active ingredients, as well as processes for preparing the compounds and the compositions are disclosed.
Hydantoin N-methylol esters of the formula, ##STR1## wherein one of X and Y is a carbonyl group and the other is a methylene, ethylidene or propylidene group, R.sub.1 is a lower alkyl, lower alkenyl or lower alkynyl having up to 3 carbon atoms, R.sub.2 is a group represented by the formula, ##STR2## in which R.sub.3 is a hydrogen atom or a methyl group; when R.sub.3 is a hydrogen atom, R.sub.4 is a methoxyiminomethyl or 2,2-disubstituted vinyl group in which the substituents can be selected from the group consisting of methyl, vinyl, fluorine, chlorine and bromine, or both of the substituents may form tetramethylene chain; when R.sub.3 is a methyl group, R.sub.4 is a methyl group; R.sub.5 is a methyl, methoxy, fluorine, chlorine, bromine or 3,4-methylenedioxy group; and n is 1 or 2, a process for producing the same, insecticides and acaricides containing the same as an active ingredient, and novel intermediate compounds.
