N-p-Hydroxybenzoyl-N′-aryl-ureas(Ⅶ) were prepared in CH 2Cl 2 or DMF using oxalyl chloride as traceless linker and poly(ethylene glycol) as soluble polymer support with yields of 65%~77%. The reaction process was r...N-p-Hydroxybenzoyl-N′-aryl-ureas(Ⅶ) were prepared in CH 2Cl 2 or DMF using oxalyl chloride as traceless linker and poly(ethylene glycol) as soluble polymer support with yields of 65%~77%. The reaction process was readily monitored by conventional analytic way. It was easy in work-up.展开更多
Seven new compounds of the type of N substituted phenyl N′ [6 (2 chlorobenzothiazol)yl]urea,were synthesized with yield 74%~88% by a series of reactions of 2 nitrochlorobenzol with substituted phenylamine respective...Seven new compounds of the type of N substituted phenyl N′ [6 (2 chlorobenzothiazol)yl]urea,were synthesized with yield 74%~88% by a series of reactions of 2 nitrochlorobenzol with substituted phenylamine respectively,the structures of compounds were characterized by elemental analysis, 1HNMR and IR.展开更多
文摘N-p-Hydroxybenzoyl-N′-aryl-ureas(Ⅶ) were prepared in CH 2Cl 2 or DMF using oxalyl chloride as traceless linker and poly(ethylene glycol) as soluble polymer support with yields of 65%~77%. The reaction process was readily monitored by conventional analytic way. It was easy in work-up.
文摘Seven new compounds of the type of N substituted phenyl N′ [6 (2 chlorobenzothiazol)yl]urea,were synthesized with yield 74%~88% by a series of reactions of 2 nitrochlorobenzol with substituted phenylamine respectively,the structures of compounds were characterized by elemental analysis, 1HNMR and IR.