| 摘要 |
Cpds. of formula:- (where R1 = 1-4C alkyl or alkoxy, NH2 1-4C alkylamino, di(1-4C alkyl)amino or phenyl opt. substd. by 1-3 of 1-4C alkyl or alkoxy and/or halogen R2 = 1-4C alkyl; X = O or S; Y = Cl, Br or I) are pesticides, e.g. insecticides, acaricides, nematocides, bactericides, and fungicides, and may be prepd. from R1P(X)(XR2)Hal (where Hal = Cl or Br) and the appropriate phenol, or from R1H1R2XM and the O-phenyl dichlorophosphate. |
