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
Title compound has been prepared at room temperature from N-phenylsu-lfonylprolylchloride with n(KCN)/n(CuCN)=1∶1 as catalyst and identified by elemental analysis, IR and MS spectra. The influence of the catalyst con...Title compound has been prepared at room temperature from N-phenylsu-lfonylprolylchloride with n(KCN)/n(CuCN)=1∶1 as catalyst and identified by elemental analysis, IR and MS spectra. The influence of the catalyst constitution on the product distribution has been discussed briefly.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Title compound has been prepared at room temperature from N-phenylsu-lfonylprolylchloride with n(KCN)/n(CuCN)=1∶1 as catalyst and identified by elemental analysis, IR and MS spectra. The influence of the catalyst constitution on the product distribution has been discussed briefly.