Herbicidal N-alkylsulfoxymethyl-and-N-alkylsulfonyl-methyl-N-ary

Details Herbicidal N-alkylsulfoxymethyl-and-N-alkylsulfonyl-methyl-N-ary Herbicidal N-alkylsulfoxymethyl-and-N-alkylsulfonyl-methyl-N-ary

1974-10-29

1976-08-31

Wyman, Daniel E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

71 98, 71103, 71120, 260553C, 260553D, C07C12715, C07C12717, C07C12719

Patent

active

039781232

ABSTRACT:
Compounds of the formula ##EQU1## wherein R is alkyl of 1 to 6 carbon atoms or aryl of 6 to 12 carbon atoms substituted with 0 to 5 halogen atoms of atomic number 9 to 35, nitro groups, alkyl groups of 1 to 4 carbon atoms or alkoxy groups of 1 to 4 carbon atoms; one of R.sup.1 or R.sup.2 is alkyl of 1 to 6 carbon atoms or cycloalkyl of 5 to 6 carbon atoms and the other is aryl of 6 to 12 carbon atoms substituted with 0 to 5 halogen atoms of atomic number 9 to 35, nitro groups, alkyl groups of 1 to 4 carbon atoms or alkyoxy groups of 1 to 4 carbon atoms or trifluoromethyl; R.sup.3 is hydrogen or alkyl of 1 to 4 carbon atoms and X is sulfur, SO, SO.sub.2 or oxygen, with the proviso that when X is oxygen, R.sup.1 is aryl or substituted aryl. The ureas find use as herbicides in both pre- and post-emergent applications.

REFERENCES:
patent: 3060235 (1962-10-01), Martin et al.
patent: 3707557 (1972-12-01), Brown
patent: 3847971 (1974-11-01), Koenig et al.
"Isothiocyanates", Klyne et al., CA 62:1585c. (1965).

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