Abstract
Hexoside and hexitol derivatives with vicinal chlorosulphate ester groups in different configurations were treated with pyridine. The corresponding cyclic sulphate esters were produced except in the case of the diaxial configuration, which gave an anyhdro derivative. The axial–equatorial configuration gave in addition a keto-deoxy compound. The structures of the cyclic sulphate esters and of other reaction products are proposed and their mode of formation is discussed.
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