Abstract:
Disclosed is a method of reducing insect damage and improving crop yield, which method comprises treating seeds of the crop in question with 3,3-dimethyl-1-methylthio-2-butanone 0methylcarbamoyloxime and/or the sulfoxide or sulfone thereof. Particularly disclosed are cotton seeds so treated.
Abstract:
NOVEL OXIMINO ESTERS OF PARA-SUBSTITUTED-PHENYL PHOSPHORUS AND THIOPHOSPHORUS COMPOUNDS HAVE THE FORMULA
1-(R1-C(-R2)=N-O-P(-Z)(=Y)-O-),4-X-BENZENE
WHEREIN X IS NITRO, CYANO, AZIDE, TRIHALOMETHYL, CARBOALKOXY OR ALKANSEUFONYL; Y IS O OR S; R1 AND R2 CAN BE THE SAME OR DIFFERENT AND ARE SELECTED FROM THE GROUP CONSISTING OF H, ALKYL RADICALS OF 1-6 C ATOMS AND PHENYL; AND Z IS SELECTED FROM THE GROUP CONSISTING OF ALKALYL AND ALKOXY RADICALS EACH HAVING 1-6 C ATOMS, PHENYL, CL AND
-O-N=C(-R3)-R4
WHEREIN R3 AND R4 ARE AS DEFINED FOR F1 AND R2. MANY OF THESE COMPOUNDS ARE PREPARED BY REACTING AN OXIME WITH EITHER A PARA-SUBSTITUTED-PHENYL PHOSPHOROCHLORIDATE. A SIMILARLY SUBSTITUTED THIOPHOSPHOROCHLORIDATE OR PHENYLTHIOPHOSPHONIC CHLORIDE UNDER ALKALINE CONDITIONS. NOVEL ALKYLIDENIMINO PARA-SUBSTITUTED-PHENYL PHOSPHOCHLORIDATES AND ANALOGOUS THIOPHOSPHOROCHLORIDATES ARE ALSO DISCLOSED.