Chemoselective TBS deprotection of primary alcohols by means of pyridinium tribromide (Py·Br3) in MeOH
摘要:
A catalytic amount of pyridinium tribromide (Py center dot Br(3)) in MeOH chemoselectively deprotects primary TBS ethers in the presence of a Variety of other protecting and common functional groups in modest to excellent yields when performed at 0 degrees C. (C) 2008 Elsevier Ltd. All rights reserved.