CS189490B1 - Novel o-alkyl-o-/2-chloroethyl/-o-/2,4-disubstituted-3-oxo-2h-pyridazin-5-yl/thiophosphates and method for the preparation thereof
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Novel o-alkyl-o-/2-chloroethyl/-o-/2,4-disubstituted-3-oxo-2h-pyridazin-5-yl/thiophosphates and method for the preparation thereof
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Application filed by Vaclav Konecny, Stefan VarkondafiledCriticalVaclav Konecny
Priority to CS572577ApriorityCriticalpatent/CS189490B1/cs
Publication of CS189490B1publicationCriticalpatent/CS189490B1/cs
CS572577A1977-09-021977-09-02Novel o-alkyl-o-/2-chloroethyl/-o-/2,4-disubstituted-3-oxo-2h-pyridazin-5-yl/thiophosphates and method for the preparation thereof
CS189490B1
(en)
Process for preparing 0-methyl-0-ethyl-2,2,2-trichloro-1-hydroxyethyl-phosphonate,0,0-diethyl-2,2,2-trichloro-1-hydroxyethyl-phosphonate and 0,0-dimethyl-2,2,2-trichloro-1-hydroxyethyl-phosphonate