Triphenylsilyl ethers, to protect

Triphenylphosphonio)ethyl carbonates, to protect alcohols, 107 2-(Triphenylphosphonio)isopropyl carbamates, to protect amines, 326, 342 Triphenylsilyl ethers, to protect alcohols,... 

In a synthesis of Epothilones A and B, Danishefsky and co-workers used a triphenylsilyl ether to protect a hindered secondary alcohol in a long sequence that included DDQ deprotection of a benzyl ether, dithiane hydrolysis, dimethyl acetal hydrolysis with p-toluenesulfonic acid in dioxane-H20 (5 1) at 50 °CT... 

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