Heterocyclische Verbindungen,Verfahren zu deren Herstellung sowie deren Verwendung

摘要

1339748 Pyrimidine derivatives IMPERIAL CHEMICAL INDUSTRIES Ltd 17 June 1971 [2 July 1970] 32098/70 Heading C2C Novel compounds of formula which may be converted into salts, enol ethers, enol esters or complexes, specifically of type where X, Y and Z which may be the same or different, are O or S and R1, R2 and R3 are H or unsubstituted or substituted hydrocarbyl, are prepared by reacting with R3COOH in the presence of a condensing agent, e.g. POCl 3 . The products are pesticides.