A urea in which one of the hydrogens attached to a nitrogen of the urea group is replaced by a sulfonyl group. The N-sulfonylurea moiety is a key group in various herbicides, as well as in a number of antidiabetic drugs used in the management of type 2 diabetis mellitus.
| Member | Definition | Role |
|---|
| 3-[(2-adamantylamino)-oxomethyl]-1-methylsulfonyl-1-pentylurea | | 3-[(2-adamantylamino)-oxomethyl]-1-methylsulfonyl-1-pentylurea |
| a 8947 | An N-sulfonylurea that is urea in which a nitrogen attached to one of the nitrogens has been replaced by a 4,6-dipyrimidin-2-yl group while a hydrogen attached to the other urea nitrogen has been replaced by a [1-methyl-4-(2-methyl-2H-tetrazol-5-yl)-1H-pyrazol-5-yl]sulfonyl group. An acetolactate synthase inhibitor, it is used as a herbicide for the control of a variety of broad-leaved and sedge weeds in paddy fields and other aquatic situations. | azimsulfuron |
| acetohexamide | An N-sulfonylurea that is urea in which a hydrogen attached to one of the nitrogens is replaced by a p-acetylphenylsulfonyl group, while a hydrogen attached to the other nitrogen is replaced by a cyclohexyl group. | acetohexamide |
| chlorimuron ethyl | An ethyl ester resulting from the formal condensation of the carboxy group of chlorimuron with ethanol. A proherbicide for chloimuron, it is used as herbicide for the control of broad-leaved weeds in peanuts, soya beans, and other crops. | chlorimuron-ethyl |
| chlorpropamide | An N-sulfonylurea that is urea in which a hydrogen attached to one of the nitrogens is substituted by 4-chlorobenzenesulfonyl group and a hydrogen attached to the other nitrogen is substituted by propyl group. Chlorpropamide is a hypoglycaemic agent used in the treatment of type 2 (non-insulin-dependent) diabetes mellitus not responding to dietary modification. | chlorpropamide |
| chlorsulfuron | An N-sulfonylurea that is N-carbamoyl-2-chlorobenzenesulfonamide in which one of the hydrogens attached to the non-sulfonylated nitrogen has been replaced by a 4-methoxy-6-methyl-1,3,5-triazin-2-yl group. A herbicide used for the control of broadleaf weeds in wheat, barley and oats. | chlorsulfuron |
| dpx e9636 | A N-sulfonylurea that is N-carbamoyl-3-(ethylsulfonyl)pyridine-2-sulfonamide substituted by a 4,6-dimethoxypyrimidin-2-yl group at the amino nitrogen atom. | rimsulfuron |
| gliclazide | | gliclazide |
| glipizide | An N-sulfonylurea that is glyburide in which the (5-chloro-2-methoxybenzoyl group is replaced by a (5-methylpyrazin-2-yl)carbonyl group. An oral hypoglycemic agent, it is used in the treatment of type 2 diabetes mellitus. | glipizide |
| glyburide | An N-sulfonylurea that is acetohexamide in which the acetyl group is replaced by a 2-(5-chloro-2-methoxybenzamido)ethyl group. | glyburide |
| methyl 2-(((((4-ethoxy-6-(methylamino)-1,3,5-triazin-2-yl)amino)carbonyl)amino)sulfonyl)benzoate | A methyl ester resulting from the formal condensation of the carboxy group of ethametsulfuron with methanol. A herbicide used for the control of broad-leaved weeds in oil seed rape and fodder rape. | ethametsulfuron-methyl |
| methyl bensulfuron | The methyl ester of bensulfuron. An acetolactate synthase inhibitor, it is used as a herbicide for the control of a variety of both annual and perennial weeds in crops, particularly wheat and rice. It is not licensed for use within the UK. | bensulfuron-methyl |
| metsulfuron methyl | A N-sulfonylurea in which the sulfonyl group is attached to a 2-(methoxycarbonyl)phenyl group while a (4-methoxy-6-methyl-1,3,5-triazin-2-yl group replaces one of the amino hydrogens of the remaining urea group. | metsulfuron methyl |
| metsulfuron methyl | The methyl ester of tribenuron. | tribenuron methyl |
| nicosulfuron | A N-sulfonylurea that is 2-(carbamoylsulfamoyl)-N,N-dimethylpyridine-3-carboxamide substituted by a 4,6-dimethoxypyrimidin-2-yl group at the amino nitrogen. | nicosulfuron |
| sulfometuron methyl | A benzoate ester that is the methyl ester of 2-{[(4,6-dimethylpyrimidin-2-yl)carbamoyl]sulfamoyl}benzoic acid. | sulfometuron methyl |
| thifensulfuron methyl | A methyl ester resulting from the formal condensation of the carboxy group of thifensulfuron with methanol. It is used as a post-emergence herbicide for the control of grass and broad-leaved weeds. | thifensulfuron-methyl |
| tolazamide | An N-sulfonylurea that is 1-tosylurea in which a hydrogen attached to the nitrogen at position 3 is replaced by an azepan-1-yl group. A hypoglycemic agent, it is used for the treatment of type 2 diabetes mellitus. | tolazamide |
| tolbutamide | An N-sulfonylurea that consists of 1-butylurea having a tosyl group attached at the 3-position. | tolbutamide |
| torsemide | An N-sulfonylurea obtained by formal condensation of [(3-methylphenyl)amino]pyridine-3-sulfonic acid with the free amino group of N-isopropylurea. It is a potent loop diuretic used for the treatment of hypertension and edema in patients with congestive heart failure. | torasemide |
| triasulfuron | An N-sulfonylurea that is N-[o-(2-chloroethoxy)phenyl]sulfonylurea in which one of the hydrogens attached to the non-sulfonylated nitrogen has been replaced by a 4-methoxy-6-methyl-1,3,5-triazin-2-yl group. A herbicide used to control broad-leaved weeds in cereals, its use within the EU has been banned after September 2017 on the grounds of potential groundwater contamination and risks to aquatic life. | triasulfuron |
| triflusulfuron-methyl | A methyl ester resulting from the formal condensation of the carboxy group of triflusulfuron with methanol. A proherbicide for triflusulfuron. | triflusulfuron-methyl |