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Improved preparation of 1,6-anhydro-4-deoxy-2-O-p-toluenesulphonylβ-d-xylo-hexopyranose and of its d-[4-2H]gluco-analogue from 1,6 : 3,4-dianhydro-2-O-p-toluenesulphonyl-β-d-galactopyranose

✍ Scribed by Tomáš Trnka; Miloš Buděšínský; Miloslav Černý


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
262 KB
Volume
259
Category
Article
ISSN
0008-6215

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The synthesis of the isomeric 1,6-anhydro-3-0-benzyl-2-deoxy-2,4-di-Cmethyl-P-D-hexopyranoses and their spectral characterisation are described. 1,6-Anhydro-3-O-benzyl-2-deoxy-4-O-mesyl-2,4-di-C-methyl-~-D-galactopyranose undergoes ring-contraction on solvolysis.