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Sumitomo Chemical Co Ltd
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Sumitomo Chemical Co Ltd
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Application filed by Sumitomo Chemical Co LtdfiledCriticalSumitomo Chemical Co Ltd
Priority to JP13792779ApriorityCriticalpatent/JPS5661396A/en
Publication of JPS5661396ApublicationCriticalpatent/JPS5661396A/en
Agricultural Chemicals And Associated Chemicals
(AREA)
Abstract
NEW MATERIAL:A pyrimidine expressed by formula I (R is lower alkyl or phenyl; R1 is lower alkyl; R2 and R3 are Hs, lower alkyls or halogens; X is O or S).
EXAMPLE: 6-Methyl-2-( dimethoxyphosphinodithioylmethyl )-4-( dimethylcarbamoyloxy )pyrimidine of formula II.
USE: An insecticide, acaricide and nematocide.
PROCESS: A 2-( halogenomethyl )phrimidine,e.g. 2-chloromethyl-4-dimethylcarbamoyloxy-6-methylpyrimidine, is condensed with a thio-or dithiophosphate, e.g. sodium 0,0-dimethyl dithiophosphate, expressed by formula IV (M is alkali metal or ammonium radical) to give the compound of formula I.
COPYRIGHT: (C)1981,JPO&Japio
JP13792779A1979-10-241979-10-24Pyrimidine, its preparation, and insecticide acaricide and nematocide containing the same as active constituent
PendingJPS5661396A
(en)