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Tetrahedron Letters

Tetrahedron Letters

IF: 1.5
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Chemoselective TBS deprotection of primary alcohols by means of pyridinium tribromide (Py·Br3) in MeOH

Published:25 August 2008 DOI: 10.1016/j.tetlet.2008.06.072
Dionicio Martinez-Solorio, Michael P. Jennings

Abstract

A catalytic amount of pyridinium tribromide (Py·Br3) 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?°C.

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