摘要:
This invention relates to bisphosphoryl hydrazine compounds and to compositions thereof which are useful as pesticides. The compounds of this invention are effective against soil insects, especially the corn rootworm.
摘要:
Compositions which contain, as the active ingredients, a combination of heterocyclic compounds of the general formula (I) and organophosphorous compounds, in addition to one or more compounds having a polyethyleneglycol or polypropyleneglycol chain or an ethyleneglycol-propyleneglycol copolymeric chain, or a mixture of these compounds which results in a stabilization of the active ingredients without any adverse influences on the physical properties of the formulations.
摘要:
The invention relates to an emulsifiable microemulsion concentrate containing a phophoric acid ester and/or thiophosphoric acid ester as active ingredient. In addition to 20 to 80% by weight of active ingredient, the composition comprises: 7 to 70% by weight of a nonionic surface active agent, preferably a block copolymer with a molecular weight of 1000 to 10000 formed from polyethylene oxide and polypropylene oxide, an alkylphenol polyglycol ether, ethoxylated fatty alcohol or a mixture of nonionic surface active agents; 2 to 50% by weight of water; if desired, 1 to 50% by weight of a co-surfactant, preferably C.sub.1-8 straight or branched chain and/or cyclic alcohol, C.sub.3-8 straight or branched chain and/or cyclic ketone, esters of C.sub.1-6 fatty acids with C.sub.1-6 alcohols or the mixture thereof; and if desired, 15 to 30% by weight of a water-immiscible organic solvent.
摘要:
The present invention relates to new macroemulsions which contain0.001 to 60 percent by weight of at least one active compound from the class comprising the phosphates and/or carbamates,0 to 50 percent by weight of aromatic diluents,0.001 to 20 percent by weight of polyvinyl alcohol having a mean molecular weight of between 5,000 and 150,000 and a content of acetate groups of between 2 and 30 mol %, and/or0.001 to 20 percent by weight of a nonlphenol/propylene oxide/ethylene oxide adduct of the formula ##STR1## in which X represents integers from 10 to 50 andY represents integers from 15 to 65, and/or0.001 to 20 percent by weight of ethylene oxide/propylene oxide/ethylene oxide block copolymers having a mean molecular weight of between 2,000 and 8,000 and HLB values of between 8 and 30,and water and, if appropriate, additives, andin which the oil phase is dispersed in the aqueous phase in the form of droplets having a mean particle diameter of 0.1 to 3.0 .mu.m.
摘要:
Novel phosphorous esters of cyanohydrins which exhibit outstanding pesticidal activity. A method of controlling pests by subjecting the pests to a pesticidally active amount of a compound of this invention is also covered.
摘要:
Pesticidally active novel .alpha.-cyano-(di)thiophosphonic acid esters of the formula ##STR1## in which X represents oxygen or sulphur,R and R.sup.1 are identical or different and represent alkyl,R.sup.2 represents hydrogen or optionally substituted alkyl andX.sup.1 and X.sup.2 are identical or different and represent halogen, hydrogen or optionally substituted alkyl.
摘要:
Process for preparing an O-alkyl S-(alpha-branched alkyl) alkylphosphonothioate of formula: ##STR1## with R and R.sub.1 =alkyl having 1 to 8 C. R.sub.2 =alpha-branched alkyl having 3 to 8 C.It consists in reacting an O-(alkyl)alkylphosphonic acid halide with an alkyl mercaptan HSR.sub.2 in an organic medium, in the presence of an acceptor for acid and a smaller amount of an auxiliary base.Process useful for preparing insecticidal and nematocidal products.
摘要:
Novel phosphoroimidates of the formula ##STR1## wherein R represents n-propyl or sec.-butyl,R.sup.1 represents methyl or ethyl,R.sup.2 represents methyl or ethyl, andR.sup.3 represents alkyl having from 3 to 4 carbon atoms,and the use of the new compounds as insecticides, acaricides and nematicides.
摘要:
A trithiophosphoric acid ester of the formula; ##STR1## wherein R.sub.1 is methyl or ethyl group, which is useful as a soil pesticidal composition for pests in soil.
摘要:
A cyanohydrin phosphate of the formula ##STR1## wherein R represents a hydrogen atom or an optionally substituted radical selected from alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, aralkyl, aralkenyl and aryl, or an optionally substituted heterocyclic radical,R.sup.1 and R.sup.2 are identical or different and individually represent optionally substituted radicals selected from alkyl, alkenyl, alkynyl, aryl, aralkyl, alkoxy, aryloxy, aralkoxy, alkylthio, alkenylthio, alkinylthio, arylthio, aralkylthio, alkylamino (monoalkylamino or dialkylamino), arylamino and aralkylamino, or together represent alkanediyl, alkanedioxy, aminoalkyloxy or alkanediamino, andX represents oxygen or sulphur,are obtained by the reaction of a phosphoric acid chloride of the general formula ##STR2## wherein X, R.sup.1 and R.sup.2 have the meaning given above, with an aldehyde of the general formulaR--CHO (III)wherein R has the meaning given above, in the presence of an approximately equimolar quantity of water-soluble cyanides. Some of the compounds of the formula (I) are new. They can be used as insectides and acaricides.