摘要:
S-carbamoylalkyl-O-ethyl-S-(n)-propyldithiophosphoric esters having the formula ##EQU1## wherein R.sub.1 represents hydrogen, methyl or allyl and R.sub.2 represents --CH.sub.2 OCH.sub.3, --C.sub.2 H.sub.4 OCH.sub.3, --C.sub.3 H.sub.6 OCH.sub.3, --CH.sub.2 CN, C.sub.2 H.sub.4 CN, --OCH.sub.3 or allyl a process for their manufacture and their use in pest control.
摘要翻译:具有式C 2 H 5 OOR 1的S-氨基甲酰基烷基-O-乙基-S-(n) - 丙基二硫代磷酸酯平行角PS-CH2-CO-N角(n)C3H7SR2其中R1表示氢,甲基或烯丙基,R2表示-CH2OCH3,-C2H4OCH3 ,-C 3 H 6 OCH 3,-CH 2 CN,C 2 H 4 CN,-OCH 3或烯丙基,其制备方法及其在害虫防治中的应用。
摘要:
Pyridylthio- or dithiophosphoric acid esters of the formula ##EQU1## wherein R.sub.1 represents n-propyl, isobutyl, sec.-butyl or n-pentyl,R.sub.2 represents hydrogen, chlorine, bromine, cyano, nitro, (C.sub.1 -C.sub.4 -alkoxy)carbonyl, mono(C.sub.1 -C.sub.4 -alkyl)carbamoyl or di(C.sub.1 -C.sub.4 -alkyl)carbamoyl,R.sub.3 represents hydrogen, chlorine, bromine or methyl, andX represents oxygen or sulphur and their use for combating pests are disclosed.
摘要:
A process for the preparation of a compound of the formula ##STR1## where Z and R are defined herein. A compound of formula II ##STR2## where R.sub.1 defined herein, is reacted with hydrazine hydrate and then subjected to hydrolysis to form the compound of formula I ##STR3## and the compound of the formula I is reacted with the aldehyde of the formula ##STR4## into the resulting compound of the formula IV.
摘要:
The invention relates to a process for the preparation of a compound of formula ##STR1## useful as intermediate for the preparation of pesticides, wherein R is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.1 -C.sub.4 alkyl substituted by from 1 to 10 halogen atoms or by from 1 to 3 radicals selected from the group consisting of C.sub.1 -C.sub.3 alkoxy, C.sub.1 -C.sub.3 alkylthio and phenyl, phenyl or phenyl substituted by from 1 to 3 radicals selected from the group consisting of halogen, methyl, ethyl, methoxy, methylthio and nitro, which comprises reacting with hydrazine hydrate a compound of formula ##STR2## wherein R.sub.1 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.1 -C.sub.4 alkyl substituted by from 1 to 9 chlorine atoms, C.sub.1 -C.sub.3 alkoxy, C.sub.1 -C.sub.3 alkylthio, C.sub.1 -C.sub.3 alkylsulfinyl, C.sub.1 -C.sub.3 alkylsulfonyl, phenyl, phenyl substituted by from 1 to 3 radicals selected from the group consisting of halogen, methyl, ethyl, methoxy, methylthio and nitro, or pyridyl, and subjecting to hydrolysis the resulting compound of formula ##STR3##
摘要:
Mercapto-bis-[1,3,4-oxa- and -thiadiazoles] ##STR1## in which X.sub.1 and X.sub.2 independently of one another are oxygen or sulfur, R.sub.1 is hydrogen or C.sub.1 -C.sub.5 alkyl which is unsubstituted or substituted by halogen, C.sub.1 -C.sub.3 alkoxy or cyano; C.sub.3 -C.sub.7 alkenyl which is unsubstituted or substituted by halogen; or C.sub.3 -C.sub.7 alkynyl which is unsubstituted or substituted by halogen,R.sup.2 is hydrogen, C.sub.1 -C.sub.5 alkyl, C.sub.1 -C.sub.3 alkoxy which is unsubstituted or substituted by halogen, C.sub.1 -C.sub.3 alkylthio which is unsubstituted or substituted by halogen, C.sub.3 -C.sub.7 alkenylthio which is unsubstituted or substituted by halogen, C.sub.3 -C.sub.7 alkylnylthio which is unsubstituted or substituted by halogen, --SH, phenyl which is unsubstituted or substituted by halogen or ##STR2## in which R.sub.3 and R.sub.4 are C.sub.1 -C.sub.3 alkyl, and processes for the preparation of the compounds of the formula I are described.The compounds of the formula I have nematocidal and microbicidal properties. Nematocidal compositions which contain at least one active substance of the formula I as the active substance and furthermore processes for the use of the active substances and the compositions in combating nematodes and fungi which are harmful to plants are described.
摘要:
2-Mercapto-1,3,4-oxadiazoles and 2-mercapto-1,3,4-thiadiazoles of the formula I ##STR1## in which X.sub.1 and X.sub.2 independently of one another are oxygen or sulfur, R.sub.1 is difluoromethyl or 3,4,4-trifluoro-3-butenyl, R.sub.2 is hydrogen or C.sub.1 -C.sub.3 alkyl and R.sub.3 is hydrogen, C.sub.1 -C.sub.5 alkyl which is unsubstituted or substituted by halogen or C.sub.1 -C.sub.3 alkoxy, C.sub.3 -C.sub.7 alkenyl which is unsubstituted or substituted by halogen or C.sub.1 -C.sub.3 alkoxy, C.sub.3 -C.sub.7 alkynyl which is unsubstituted or substituted by halogen or C.sub.1 -C.sub.3 alkoxy, or phenyl which is unsubstituted or substituted by halogen, NO.sub.2, CF.sub.3, C.sub.1 -C.sub.3 -alkyl or C.sub.1 -C.sub.3 alkoxy, or wherein, furthermore, R.sub.2 and R.sub.3 together can form the methylene chain (--CH.sub.2 --)n as a constituent of a 5- or 6-membered ring with the heteroatom X.sub.1, in which n is 3 or 4, and processes for the preparation of the compounds of the formula I are described.The compounds of the formula I have nematicidal properties. Nematicidal compositions which contain at least one active substance of the formula I as the active substance and furthermore methods of using the active substances and the compositions for controlling nematodes are described.
摘要:
Novel compounds of the formula ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.12 alkyl that is unsubstituted or substituted by halogen, phenyl, C.sub.1 -C.sub.3 alkoxy or by hydroxy, C.sub.1 -C.sub.3 alkyl that is substituted by carbonyl, O-alkylcarboxy, amino or by a heterocycle, unsubstituted or halo-substituted C.sub.3 -C.sub.7 cycloalkyl or unsubstituted cyclopropylmethyl, unsubstituted or halo-substituted C.sub.3 -C.sub.7 alkenyl, unsubstituted or halo-substituted C.sub.3 -C.sub.7 alkynyl, benzyl that is unsubstituted or mono-, di-or tri-substituted in the nucleus by C.sub.1 -C.sub.4 alkyl, halogen, nitro, cyano or by trifluoromethyl, or is the radical R.sub.2 --(O--CH.sub.2 --CH.sub.2 --)n wherein R.sub.2 is hydrogen or C.sub.1 -C.sub.4 alkyl and n is a number from 1 to 3, as active ingredients for controlling nematodes that parasitise plants and for preventing damage to cultivated plants caused by nematode attack.
摘要:
2-Mercapto-5-pyrazinyl-1,3,4-oxadiazoles and 2-mercapto-5-pyrazinyl-1,3,4-thiadiazoles of formula I ##STR1## wherein X is oxygen or sulfur,R' is C.sub.1 -C.sub.5 alkyl, unsubstituted or substituted by halogen, C.sub.1 -C.sub.3 alkoxy or cyano; unsubstituted or halogen-substituted C.sub.3 -C.sub.7 alkenyl; unsubstituted or halogen-substituted C.sub.3 -C.sub.7 alkynyl,R is C.sub.1 -C.sub.3 alkyl, unsubstituted C.sub.1 -C.sub.3 alkoxy or C.sub.1 -C.sub.3 alkoxy which is substituted by halogen or C.sub.1 -C.sub.3 alkoxy; halogen, cyano, hydroxy, amino or amino which is substituted by one or two C.sub.1 -C.sub.3 alkyl groups; or is aminocarbonyl; andn is 0, 1, 2 or 3, the preparation thereof and novel intermediates for their synthesis are disclosed.The compounds of formula I have nematicidal properties. Nematicidal compositions which contain at least one compound of formula I as active ingredient, methods of using said compounds and of the compositions containing them for controlling nematodes are also disclosed.
摘要:
Compounds of the formula I ##STR1## wherein R.sub.1 represents a phenyl group substituted by one or two members selected from the group consisting of halogen, alkyl having at most 3 carbon atoms, trifluoromethyl, nitro and cyano; and either(i) R.sub.2 represents an alkyl group having at most 5 carbon atoms andR.sub.3 represents a methyl group or(ii) R.sub.2 and R.sub.3 together represent a tetramethylene or pentamethylene group;With the proviso that, when R.sub.2 and R.sub.3 both represent methyl groups or when R.sub.2 and R.sub.3 together represent a tetramethylene or pentamethylene group, R.sub.1 may not represent a 3-chlorophenyl, 4-chlorophenyl, 3,4-dichlorophenyl or 4-fluorophenyl group, possess valuable insecticidal properties.