摘要:
N,N-Dimethyl-O-[3-(substituted-methyl)-pyrazol-5-yl]-carbamic acid esters of the formula ##STR1## in which R is hydrogen, alkyl, cyanoalkyl or phenyl, andR.sup.1 is alkoxy or alkylthio which possess arthropodicidal properties.
摘要:
O-Alkyl-S-[3-oxo-1,2,4-triazolobenzopyrazin(2)yl-methyl]-(thiono)thiolphosphoric(phosphonic) acid esters of the formula ##STR1## in which R is alkyl with 1 to 4 carbon atoms,R.sub.1 is alkyl or alkoxy with 1 to 4 carbon atoms, andX is oxygen or sulfur,Which possess insecticidal properties.
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.
摘要:
O-(2,2,2-trihalogenoethyl) S-alkyl (di)thiophosphonates of the formula ##STR1## in which X is oxygen or sulphur,Y is halogen,R.sup.1 is alkyl or optionally substituted aryl, andR.sup.2 is alkyl.which exhibit insecticidal, acaricidal and nematocidal activity. Intermediates therefor of the formulas ##STR2## in which Z is one equivalent of an alkali metal or ammonium ion, andR.sup.3 is C.sub.1 -C.sub.4 -alkyl, are also new.
摘要:
2-Phenyl-alk-1-enyl-cyclopropane-carboxylic acid esters of the formula ##STR1## in which R each independently is hydrogen, halogen, cyano, nitro and, in each case optionally halogen-substituted, alkyl, alkoxy, alkylenedioxy or alkylthio,R.sup.1 is optionally halogen-substituted alkyk, andR.sup.2 is a radical customary in the alcohol part of pyrethroidswhich exhibit insecticidal and acaricidal activity. They are made from the corresponding alkyl esters which are new and made by novel processes.
摘要:
New cyanoalkylphosphoric acid ester chlorides of the general formula ##STR1## in which R represents a hydrogen atom, an optionally substituted radical selected from alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkenyl, aralkyl, aralkenyl and aryl, or an optionally substituted heterocyclic radical,R.sup.1 represents an optionally substituted radical selected from alkyl, alkenyl, alkinyl, aryl, aralkyl, alkoxy, aryloxy, aralkoxy, alkylthio, alkenylthio, alkinylthio, arylthio, aralkylthio, alkylamino (monoalkylamino or dialkylamino), arylamino or aralkylamino and X represents oxygen or sulphurare obtained by the reaction of a phosphoric acid dichloride of the general formula ##STR2## with an aldehyde of the general formulaR--CHO (III)in the presence of an approximately equimolar quantity of a water-soluble cyanide. The compounds of the formula (I) can be used as intermediate products for the preparation of insecticides.
摘要:
2,2-Dimethyl-3-(2-fluoroalkyl-2-oxy-vinyl)-cyclopropane-carboxylic acid esters of the formula ##STR1## in which R.sup.1 is fluoroalkyl,R.sup.2 is an optionally substituted alkyl, cycloalkyl, aralkyl or aryl radical, andR.sup.3 is a radical customary in the alcohol component of pyrethroidswhich possess arthropodicidal properties. New intermediates therefor are also shown.
摘要:
An arthropodicidally active substantially pure stereoisomer of 2,2-dimethyl-3-(2,2-dichlorovinyl)-cyclopropane-1-carboxylic acid .alpha.-cyano-3-phenoxy-4-fluoro-benzyl ester of the formula ##STR1## selected from the group consisting of ester in which the asymmetric C atoms , , and .alpha. have the following configuration:______________________________________ Absolute configuration at the center Isomer 1 3 .alpha. ______________________________________ a R R R b R R S c R S R d R S S e S S S f S S R g S R S h S R R, ______________________________________ and diastereomeric mixtures of (1R)-cis- and (1R)-trans-2,2-dimethyl-3-(2,2-dichlorovinyl)-cyclopropane-1-carboxylic acid (R,S)-.alpha.-cyano-3-phenoxy-4-fluoro-benzyl esters of the formula ##STR2##
摘要:
Fluorine substituted phenoxybenzylcarbonyl derivatives of the formula ##STR1## in which R.sup.1 represents hydrogen, cyano or ethynyl andR.sup.2 represents the radical ##STR2## wherein R.sup.3 and R.sup.4, which are identical, each represent chlorine, bromine or methyl, orR.sup.2 represents the radical ##STR3## wherein R.sup.5 represents a phenyl ring which optionally carries one or more substituents each selected independently from halogen, alkyl, alkylthio and alkoxy each with 1-4 carbon atoms, nitro and methylenedioxy,which possess arthropodicidal properties. The benzyl alcohol components of these esters are also new.
摘要:
4-Substituted-pyrimidin-6-yl (thiono)-phosphoric (phosphonic) acid esters or ester-amides of the formula ##STR1## in which R represents hydrogen, alkyl, alkoxy, alkylthio or alkylamino,R.sup.1 represents halogen, alkoxy, alkylthio or alkylamino,R.sup.2 represents alkyl, alkoxy, alkylamino or phenyl,R.sup.3 represents alkyl andX and Y, which may be identical or different, represent oxygen or sulphur,Which possess arthropodicidal and nematicidal properties.