.alpha.-Cyano-.alpha.-dialkylphosphonato acetanilde herbicides

Details .alpha.-Cyano-.alpha.-dialkylphosphonato acetanilde herbicides .alpha.-Cyano-.alpha.-dialkylphosphonato acetanilde herbicides

1975-03-03

1976-05-11

Gotts, Lewis

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 86, A01N 936

Patent

active

039559580

ABSTRACT:
.alpha.-cyano-.alpha.-dialkylphosphonato acetanilides are prepared by reacting an .alpha.-cyano-.alpha.-dialkylphosphonate carbanion with an aromatic isocyanate or isothiocyanate. The said carbanion may be generated in situ by the reaction of an alkali metal or reactive compound thereof with an .alpha.-cyano-.alpha.-dialkylphosphonato acetanilide.
Compounds within the scope of the invention described herein are pesticidally active, e.g., as herbicides.

REFERENCES:
patent: 3005010 (1961-10-01), Grisley
patent: 3764676 (1973-10-01), Kerst et al.

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