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
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.