Herbicidally active novel substituted phenylsulfonylurea derivat

Details Herbicidally active novel substituted phenylsulfonylurea derivat Herbicidally active novel substituted phenylsulfonylurea derivat

1982-09-07

1984-10-02

Daus, Donald G.

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 93, 544194, 544211, 544320, 544321, 544328, 544332, 564 90, A01N 922, C07Z23942, C07D25116

Patent

active

044746008

ABSTRACT:
Substituted phenylsulfonylurea-derivatives of the general formula ##STR1## wherein X represents an oxygen atom or a direct bond, Y and Z each represents a halogen atom, a lower alkyl group, a lower alkoxy group or a nitro group, R represents a group: ##STR2## wherein R.sup.1 and R.sup.2 each represents a lower alkyl group or a lower alkoxy group, m and n each represents 0, 1 or 2 with the proviso that m and n do not represent 0 at the same time, are novel and find use as herbicides. Corresponding substituted benzenesulfonyl isocyanates are novel intermediate compounds for use in preparing compounds of formula (I).

REFERENCES:
patent: 4127405 (1978-11-01), Levitt
patent: 4169719 (1979-10-01), Levitt
patent: 4191553 (1980-03-01), Reap
patent: 4339267 (1982-07-01), Levitt
patent: 4368067 (1983-01-01), Budzinski et al.

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