π-Deficient 2-(Arylsulfonyl)ethyl Esters as Protecting Groups for Carboxylic Acids
作者:Carmen Nájera、Diego A. Alonso、Montserrat Varea
DOI:10.1055/s-2003-36844
日期:——
Several π-deficient 2-(arylsulfonyl)ethylgroups have been studied as carboxylic acid protectinggroups. The 2-[3,5-bis(trifluoromethyl)phenylsulfonyl]ethylgroup is the most easily removed protectinggroup for acids under mild basic conditions using aqueous NaHCO 3 .