Aminosulfonylthiadiazolylureas

Details Aminosulfonylthiadiazolylureas Aminosulfonylthiadiazolylureas

1980-03-10

1981-03-10

Rollins, Alton D.

Chemistry: fertilizers

Processes and products

Forms or conditioning

2603407, 2603409R, 548139, 548140, 549 20, A01N 4736, C07D40512, C07D40514

Patent

active

042551820

ABSTRACT:
Disclosed are compounds of the formula ##STR1## wherein R.sup.1 is alkyl, R.sup.2 is selected from the group consisting of hydrogen and alkyl; or R.sup.1 and R.sup.2 together with the nitrogen atom form a cyclic ring structure having 4 or 5 carbon atoms; m is the integer 0 or 1; when m is 1, R.sup.4 and R.sup.5 are each independently selected from the group consisting of hydrogen and alkyl or up to 3 carbon atoms; when m is 0, R.sup.4 is hydrogen and R.sup.5 is the same as defined above; R.sup.3, R.sup.6, R.sup.7, R.sup.8, R.sup.9 are each independently selected from the group consisting of hydrogen and alkyl; n is an integer from 0 to 2; and Z.sup.1 and Z.sup.2 are each independently selected from the group consisting of oxygen and sulfur. These compounds are useful as herbicides.

REFERENCES:
patent: 3726892 (1973-04-01), Cebalo
patent: 3856503 (1974-12-01), Cebalo
patent: 3901902 (1975-08-01), Krenzer
patent: 3946045 (1976-03-01), Richter et al.
patent: 3951640 (1976-04-01), krenzer
patent: 3990881 (1976-11-01), Cebalo
patent: 4012222 (1977-03-01), Richter et al.

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