The reactivity of silyl ethers to the Swern reagent

Abstract
The activated Me2SO reagent [Me2SO–(COCl)2, ‘Swern reagent’] oxidises the trimethylsilyl ethers of primary and secondary alcohols directly to the corresponding carbonyl compound. Useful selectivity is possible where competing ether groups possess large differences of steric hindrance. Dimethyl-t-butylsilyl ethers are unaffected by this reagent.

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