An improved preparation of 2,3,5-tri-O-a
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Anton Ε timac; JoΕΎe Kobe
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Article
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1992
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Elsevier Science
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English
β 514 KB
An improved synthesis ' of 2,3,5-tri-O-benzoyl-/3-o-ribofuranosyl azide (3) involves the reaction of trimethylsilyl azide in the presence of a Lewis acid with l-0-acetyl-2,3J-tri-O-benzoyl-@-o-ribofuranose 2-4 (1) rather than the action of sodium azide upon the corresponding halide 5. Titanium tetra