O-Succinimidyl-1,3-dimethyl-1,3-trimethyleneuronium salts as efficient reagents in active ester synthesis
作者:Miguel A Bailén、Rafael Chinchilla、David J Dodsworth、Carmen Nájera
DOI:10.1016/s0040-4039(02)00090-4
日期:2002.2
The new uronium salts O-succinimidyl-1,3-dimethyl-1,3-trimethyleneuronium hexafluorophosphate (HSDU) and tetrafluoroborate (TSDU) have been prepared from 1,3-dimethylpropyleneurea (DMPU) and employed in the synthesis of N-hydroxysuccinimide-derived active esters. High yields were obtained at room temperature in short reaction times and no racemization was observed.
新的铀盐O-琥珀酰亚胺基-1,3-二甲基-1,3-三亚甲基铀六氟磷酸盐(HSDU)和四氟硼酸盐(TSDU)是由1,3-二甲基丙烯脲(DMPU)制备的,并用于合成N-羟基琥珀酰亚胺-衍生的活性酯。在室温下以短反应时间获得高产率,并且未观察到外消旋化。