作者:Andreia A. Rosatella、Carlos A. M. Afonso
DOI:10.1002/adsc.201100187
日期:2011.11
The trans-dihydroxylation of olefins occurs efficiently by aqueous hydrogen peroxide catalyzed by p-toluenesulfonic acid at 50 °C, allowing the catalyst reuse and an outstanding substrate functional group tolerance such as tert-butoxycarbonylamino (BocNH), benzyloxycarbonylamino (CbzNH), benzyloxy (OBn), tosyloxy (OTs), hindered ketal, (2-trimethylsilyl)ethoxymethoxy (OSEM), benzylamino (NBz), benzyloxy
在50°C下,对甲苯磺酸催化过氧化氢水溶液可有效地进行烯烃的反二羟基化反应,从而使催化剂可重复使用并具有出色的底物官能团耐受性,例如叔丁氧基羰基氨基(BocNH),苄氧基羰基氨基(CbzNH),苄氧基OBn),对甲苯氧基(OTs),受阻缩酮,(2-三甲基甲硅烷基)乙氧基甲氧基(OSEM),苄氨基(NBz),苄氧基(OBz)和游离氨基酸。