A Mild and Regioselective Ring-Opening of Aziridines with Acid Anhydride Using TBD or PS-TBD as a Catalyst
作者:Satoru Matsukawa、Yasutaka Mouri
DOI:10.3390/molecules201018482
日期:——
The ring-opening of N-tosylaziridines with various acid anhydrides catalyzed by 5 mol % of 1,5,7-triazabicyclo[4,4,0]dec-5-ene (TBD) afforded the corresponding β-amino esters in excellent yields under mild reaction conditions. Polymer-supported catalyst, PS-TBD also acts as a good catalyst for this reaction. PS-TBD was easily recovered and reused with minimal loss of activity.
在 5 mol % 的 1,5,7-三氮杂双环[4,4,0]癸-5-烯(TBD)催化下,N-对甲苯磺酰基氮丙啶与各种酸酐的开环反应在温和的反应条件下以极好的收率得到了相应的 β-氨基酯。聚合物支撑催化剂 PS-TBD 也是该反应的良好催化剂。PS-TBD 易于回收和重复使用,活性损失极小。