Highly selective deprotection of tert-butyl esters using ytterbium triflate as a catalyst under mild conditions

摘要

Ytterbium triflate catalyses the deprotection of tert-butyl esters selectively in the presence of other esters under mild conditions in almost quantitative yields. The reactions are carried out in nitro-methane (45 deg C-50 deg C) using 5 mole percent of the catalyst.