Ten N (4 substituted pyrimidin 2 yl) 2 trifluoroacetylamino benzenesulfonylureas were synthesized. Their structures were confirmed by elemental analysis and 1H NMR. Some of the compounds showed good herbicidal act...Ten N (4 substituted pyrimidin 2 yl) 2 trifluoroacetylamino benzenesulfonylureas were synthesized. Their structures were confirmed by elemental analysis and 1H NMR. Some of the compounds showed good herbicidal activity.展开更多
Seven N-(pyridin-2-yl-carbonyl) aryl sulfonamides were synthesized from aryl sulfonamides and pyridin-2-yl-carboxylic acid, and their structures were confirmed by elemental analysis and 1H NMR . Some of the title comp...Seven N-(pyridin-2-yl-carbonyl) aryl sulfonamides were synthesized from aryl sulfonamides and pyridin-2-yl-carboxylic acid, and their structures were confirmed by elemental analysis and 1H NMR . Some of the title compounds showed moderate herbicidal activity.展开更多
文摘Ten N (4 substituted pyrimidin 2 yl) 2 trifluoroacetylamino benzenesulfonylureas were synthesized. Their structures were confirmed by elemental analysis and 1H NMR. Some of the compounds showed good herbicidal activity.
文摘Seven N-(pyridin-2-yl-carbonyl) aryl sulfonamides were synthesized from aryl sulfonamides and pyridin-2-yl-carboxylic acid, and their structures were confirmed by elemental analysis and 1H NMR . Some of the title compounds showed moderate herbicidal activity.