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- W1569462010 abstract "Abstract Selective esterification of α,α-trehalose with sulphonyl chlorides has been investigated. Selective dimethanesulphonylation of the disaccharide gave a mixture of the 6-ester and the 6,6′-diester, but in poor yield. Selective toluene-p-sulphonylation of trehalose gave the 6,6′-diester, readily isolable in 39% yield as the hexa-acetate, which is a useful starting material for the preparation of 6,6′-disubstituted derivatives of α,α-trehalose. The p.m.r. spectrum of hexa-O-acetyl-6,6′-dideoxy-α,α-trehalose, which may be prepared from the ditoluene-p-sulphonate, can be interpreted by first-order analysis and confirms that the D -glucopyranose units are physically equivalent and that they adopt the expected conformation." @default.
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- W1569462010 date "1968-12-01" @default.
- W1569462010 modified "2023-09-26" @default.
- W1569462010 title "Chemical modification of trehalose" @default.
- W1569462010 cites W1978384772 @default.
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- W1569462010 doi "https://doi.org/10.1016/s0008-6215(00)81525-6" @default.
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