(2,5)-Dichloro-(4)-alkyl-mercaptophenyl-thiophosphoric acid - and thiophosphonic acid esters as pesticides

摘要

(A) (2,5-dichloro-4-alkyl-mercaptophenyl)-thionophosphoric or-thionophosphonic acid esters R1 = C1-4 alkyl-R2 = C1-3 alkyl-, phenyl-n = 0 or 1 R3 = C1-3 alkyl-e.g. O-n-propyl O-(2,5-dichloro-4-methylmercap-tophenyl)methylthiophosphonate (B) Intermediate 2,5-dichloro-4-alkylmercapto-phenols (III) particularly 4-methylmercapto 2,5-dichlorophenol. Pesticides, particularly insecticides and acaricides.