| abstract |
Pesticidal cpds of formula (I) (where R1 is methyl or ethyl; R2 and R3 are H, halogen, (1-4)C (alkyl or alkoxy); R4 is pyrrolidino, 3-pyrrolinyl, piperidino, -N=CH-N(1-4C alkyl)2, -NHCOO(1-4C alkyl) or -NH-CO-N(1-4C alkyl)2; and X is O or S) are prepd by reacting halides of formula (II) with phenols of formula (III) is used in the form of its alkali metal, ammonium or alkylammonium salt. |