5-(hetero-ring sulfamoyl)-1,3,4-thiadiazol-2-ylureas

Details 5-(hetero-ring sulfamoyl)-1,3,4-thiadiazol-2-ylureas 5-(hetero-ring sulfamoyl)-1,3,4-thiadiazol-2-ylureas

C - Chemistry, Metallurgy

07

D

260/301, 71/8.1,

C07D 285/12 (2006.01) A01N 25/00 (2006.01) C07D 285/135 (2006.01)

Patent

CA 1072560

ABSTRACT OF THE DISCLOSURE The present invention relates to novel 1,3,4- thiadiazol-2-ylureas characterized by an hetero-ring sul- famoyl group at the 5-position of the thiadiazole group, and by small alkyl or alkoxy groups on the urea nitrogens. The hetero-ring groups are 5- and 6-membered rings containing an oxygen, sulfur, or nitrogen atom, and may optionally be linked to the sulfamoyl nitrogen by a methylene group. The novel compounds are effective pre- and postemergence her- bicides. The present invention also relates to novel herbicidal compositions containing the novel compounds as active ingredient and novel methods of using the novel com- pounds for the control of herbaceous weeds.

256618

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