ChemInform Abstract: Temporary Protection and Activation in the Regioselective Synthesis of Saccharide Sulfates.
Abstract
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ChemInform Abstract
It is found that partially protected or unprotected glycosides undergo regioselective sulfation with SO3×NEt3 via stannanediyl acetals or stannyl ethers. In the presence of temporary protecting groups this method is an efficient way to prepare monosulfated saccharides like ( IV) which are of biological interest.