摘要:
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.
摘要:
A new pyrethroidal pesticide containing as an active ingredient a pesticidally effective amount of novel cyclopropanecarboxylic acid esters represented by the formula, ##EQU1## wherein R is a hydrogen atom, a halogen atom, a methyl or a methoxy group, and R.sub.1 and R.sub.2 are hydrogen atom, methyl group or a halogen atom, which have a low toxicity to mammals, excellent pesticidal effect on injurious pests in cereal storage, agriculture and forestry and a wide range of uses for prevention of epidemics.
摘要:
A compound of the formula, ##SPC1##Wherein R.sub.1 is a C.sub.1.sub.-6 alkyl, a C.sub.2.sub.-6 alkenyl, a C.sub.3.sub.-6 alkynyl, a C.sub.3.sub.-6 cycloalkyl, benzyl, thienyl or a group of ##SPC2##(R.sub.4 is hydrogen, halogen, a C.sub.1.sub.-4 alkyl or methylenedioxy, and n is an integer of 1 to 5), R.sub.2 is a C.sub.1.sub.-6 alkyl, a C.sub.3.sub.-6 alkenyl or a C.sub.3.sub.-6 alkynyl, R.sub.3 is a C.sub.1.sub.-6 alkyl, a C.sub.3.sub.-6 alkenyl or a C.sub.3.sub.-6 alkynyl, (provided that R.sub.2 is a C.sub.3.sub.-6 alkynyl when R.sub.3 is a C.sub.1.sub.-6 alkyl), and A is a group of --COOR.sub.3 or --CH.sub.2 OR.sub.3, provided that R.sub.1 is a C.sub.1.sub.-6 alkyl, a C.sub.2.sub.-6 alkenyl, a C.sub.3.sub.-6 alkynyl, a C.sub.3.sub.-6 cycloalkyl or benzyl when A is a group of --CH.sub.2 OR.sub.3 (R.sub.3 is as defined above), and R.sub.3 is a C.sub.4.sub.-6 alkenyl or a C.sub.4.sub.-6 alkynyl when R.sub.1 is a group of ##SPC3##(R.sub.4 and n are as defined above) and A is a group of --COOR.sub.3, which is useful as synergist for insecticides, especially for a cyclopropane-carboxylate or a carbamate type insecticide.
摘要:
Ether compounds of the general formula, ##STR1## wherein W represents CH group or nitrogen atom, and (1) when W is the CH group,R.sub.1 represents hydrogen atom, fluorine atom, chlorine atom, bromine atom or methyl group, R.sub.2 represents hydrogen atom or fluorine atom, R.sub.3 and R.sub.4 are same or different and represent hydrogen atom, a halogen atom, a C.sub.1-4 alkyl, a C.sub.1-4 alkoxyl, difluoromethoxy or 2,2,2-trifluoroethoxy group, or represent, taken together, methylenedioxy group, A represents oxygen atom, methylene group or imino group, and when the A represents oxygen atom or methylene group, X and Y represent, taken together, ethylene group or 1,1-difluoroethylene group and when the A represents imino group, both X and Y represent methyl group or represent, taken together, ethylene group or 1,1-difluoroethylene group, and(2) when W is the nitrogen atom,both R.sub.1 and R.sub.2 represent hydrogen atom, R.sub.3 and R.sub.4 are as define above, A represents oxygen atom, and both X and Y represent methyl group or represent, taken together, ethylene group or 1,1-difluoroethylene group.The ether compounds of the present invention are useful as an active ingredient of an insecticidal and/or acaricidal composition.
摘要:
A method for preparing an optically active .alpha.-cyano-3-phenoxybenzyl 2-(4-substituted-phenyl)-isovalerate, which consists substantially of or is rich in (S)-.alpha.-cyano-3-phenoxybenzyl (S)-2-(4-substituted-phenyl)isovalerate.
摘要:
The present invention relates to carboxylic esters of the formula (I), ##STR1## wherein X is a chlorine or bromine atom, and their production and use as an insecticide and/or acaricide.
摘要:
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.
摘要:
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.
摘要:
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.
摘要:
Substituted acetate compounds represented by the formula ##STR1## which are useful as pesticides and pesticidal compositions containing the substituted acetate compounds as active ingredients, as well as processes for preparing the compounds and the compositions are disclosed.