N-tert-Butoxycarbonyl (BOC) Deprotection Using Boron Trifluoride Etherate

Abstract
A mild and efficient procedure is described for the removal of the tert-butoxycarbonyl (BOC) group using boron trifluoride etherate and molecular sieves in dichloromethane at room temperature. The scope of this procedure is explored for the deprotection of a variety of amines including amino acid derivatives.