摘要:
New 1,2,4-triazoles, their manufacture and use as active ingredient on pest control is disclosed. The triazoles correspond to the formula ##STR1## wherein R.sub.1 represents C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy or C.sub.1 -C.sub.6 -alkylthio,R.sub.2 represents C.sub.1 -C.sub.6 -alkyl,R.sub.3 represents hydrogen, chlorine, bromine, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkylthio, C.sub.3 -C.sub.5 -alkenylthio or C.sub.3 -C.sub.5 -alkynylthio, andX represents oxygen or sulphur.
摘要:
1,2,4-TRIAZOLE DERIVATIVES WHICH HAVE PARTICULAR IMPORTANCE AS INTERMEDIATES FOR, E.G., THE PREPARATION OF ACTIVE SUBSTANCES FOR PEST CONTROL, CORRESPONDING TO THE FORMULA ##STR1## wherein R.sup.1 represents an unsubstituted or substituted alkyl, alkenyl, or alkynyl, naphthyl, benzyl, phenylethyl, ##STR2## or phenylpropyl radical, or a mono or polycyclic cycloalkyl radical which can be bound by way of an alkylene bridge member, or a substituted phenyl radical,And new processes for the preparation of compounds of the formula ##STR3## wherein R represents hydrogen, an optionally substituted alkyl, alkenyl or alkynyl radical, an optionally substituted phenyl, naphthyl, benzyl, phenylethyl or phenylpropyl radical, a mono- or polycyclic cycloalkyl radical which can be bound by way of an alkylene bridge member and/or be substituted by alkyl, or a partially hydrogenated naphthyl radical, which processes are performed by addition to a hydrazine of the formulaR -- NH--NH.sub.2or to a hydrazone of the formula ##STR4## wherein R has the above given meaning, R.sub.1 represents hydrogen or lower alkyl and R.sub.2 represents lower alkyl, of an alkoxy-carbonyl-isothiocyanate of the formulaalkyl--O--CO--NCSand subsequent closure of the triazole ring in the resulting thiosemicarbazide of the formula ##STR5## by the splitting-off of an alkanol (alkyl--OH), are disclosed.
摘要:
1,2,4-Oxadiazoles, their manufacture and use as active ingredients in pesticides especially insecticides and acaricides. The compounds correspond to the formula ##STR1## wherein R.sub.1 represents hydrogen, unsubstituted alkyl, benzyl or phenyl, R.sub.2 represents methyl or ethyl, and R.sub.3 represents unsubstituted C.sub.1 -C.sub.7 alkyl optionally interrupted by oxygen or represents C.sub.3 -C.sub.4 alkenyl.
摘要:
1,2,4-Triazolylphosphoric and 1,2,4-triazolylphosphonic acid esters of the formula ##SPC1##Wherein R.sub.1 represents hydrogen, alkyl, cycloalkyl, phenyl, benzyl, or phenethyl, R.sub.2 represents substituted phenyl, benzyl, phenethyl, or unsubstituted diphenylmethyl, .beta.-naphthyl, or ##SPC2##R.sub.3 represents alkyl, alkoxy, alkylthio, amino, monoalkylamino or dialkylamino, R.sub.4 represents alkyl, and X represents oxygen or sulphur, a process for their manufacture and their use in pest control.
摘要翻译:1,2,4-三唑基磷酸和式+ q,10的1,2,4-三唑基膦酸酯,其中R1表示氢,烷基,环烷基,苯基,苄基或苯乙基,R2表示取代的苯基,苄基,苯乙基或 未取代的二苯基甲基,β-萘基或+ q,11 R 3表示烷基,烷氧基,烷硫基,氨基,单烷基氨基或二烷基氨基,R 4表示烷基,X表示氧或硫,其制备方法及其在害虫防治中的应用。
摘要:
Process for the production of 1-alkyl-3-hydroxy-5-chloro-1,2,4-triazoles wherein an alkylhydrazine is reacted in an inert solvent in the presence of an acid binding agent with cyanogen chloride to 1-alkyl-1-cyanohydrazine which is subsequently cyclized with phosgene.
摘要:
A process for the production of 3-hydroxy-1,2,4-triazole derivatives of formula I ##STR1## wherein R.sub.1 and R.sub.2 each represent a straight-chain or branched-chain alkyl group having 1 to 6 carbon atoms, or a cycloalkyl group having 3 to 6 carbon atoms, andX represents oxygen or sulphur,Which process comprises adding to a 1-alkyl-1-cyanohydrazine of formula II ##STR2## wherein R.sub.1 has the meaning given under formula I, a compound of formula IIIr.sub.2 -- xh (iii)wherein R.sub.2 and X have the meanings given under formula I;and subsequently cyclising the addition product by reaction with a compound of formula IV ##STR3## wherein R.sub.3 and R.sub.4 independently of one another represent chlorine or an alkoxy group having 1 to 4 carbon atoms.The 3-hydroxy-1,2,4-triazole derivatives are valuable intermediates for producing phosphoric acid esters which can be used as pesticidal agents, particularly as insecticides and nematicides.
摘要:
1,2,3-Triazolyl phosphorus compounds, their manufacture and use as active ingredients for controlling insects, representatives of the order acarina and phytopathogenic nematodes. The compounds correspond to the formula ##STR1## wherein R.sub.1 represents alkyl, alkoxy, alkylthio, alkoxyalkylthio, amino, monoalkylamino or dialkylamino,R.sub.2 represents alkoxy, alkylthio, amino, monoalkylamino or dialkylamino,R.sub.3 represents unsubstituted or substituted phenyl,Y represents hydrogen, chlorine or bromine,n represents the numbers 0 or 1, andX represents oxygen or sulphur.
摘要:
1-Phenyl-1-p-propargyloxyphenyl-2-nitro-ethane derivatives of the formula ##STR1## wherein Z represents the radical ##STR2## and of the symbolsX and Y one represents hydrogen, fluorine, chlorine, bromine, C.sub.1 -C.sub.3 -alkyl, C.sub. 1 -C.sub.3 -alkoxy, propargyloxy or C.sub.1 -C.sub.3 -alkylthio, and the other represents propargyloxy,Process for their preparation and their use in pest control.
摘要:
Insecticidal and acaricidal composition and method utilizing triazolyl phosphoric acid esters of the formula ##EQU1##wherein R.sub.1 represents a phenyl group susbstituted by one or more fluorine atoms or lower haloalkyl groups or by at least one chlorine atom and at least one fluorine atom or lower haloalkyl groups, R.sub.2 and R.sub.3 are each lower alkyl and X and Y are each oxygen or sulphur.
摘要:
Sulfonic acid esters of the formulaR.sub.1 -- SO.sub.2 -- O -- R.sub.2whereinR.sub.1 represents alkyl or alkenyl, andR.sub.2 represents an unsubstituted or substituted heteroaromatic five-membered ring having three hetero atoms, processes for their manufacture, and their use in pest control.