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A stereochemically general synthesis of methyl 2,4,6-trideoxy-4-methylthio-α-D-ribo-pyranoside, the thio sugar of esperamicin A1

✍ Scribed by William R. Roush; Darin Gustin


Publisher
Elsevier Science
Year
1994
Tongue
French
Weight
417 KB
Volume
35
Category
Article
ISSN
0040-4039

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✦ Synopsis


Actor.

A sleazy general synthesis of methyl 2,4,~~xyJI_a-~~~p~oside (lb), the thio sugar isolated from esperamicin, is described. 'I%e synthesis involves the neighbori& group assisted


📜 SIMILAR VOLUMES


Synthesis of Methyl 2,6-Dideoxy-4-thio-α
✍ Claßen, Arnold ;Scharf, Hans-Dieter 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 English ⚖ 549 KB

## Abstract The 4‐thio analog of 2,6‐dideoxy‐D‐__ribo__‐hexopyranose (D‐digitoxose) is part of the saccharide chain of the calicheamicins and esperamicins. A straightforward synthesis of the 4‐thiodigitoxoside 12 as its diacetate 13 starting from methyl α‐D‐galactopyranoside (1) is described. Prope