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O-Glycosyl Amino Acids by 2-Nitrogalactal Concatenation − Synthesis of a Mucin-Type O-Glycan

✍ Scribed by Gottfried A. Winterfeld; Ahmed I. Khodair; Richard R. Schmidt


Book ID
102173644
Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
262 KB
Volume
2003
Category
Article
ISSN
1434-193X

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## Abstract __N__‐Boc‐protected serine and threonine esters could be readily added to 2‐nitroglycals, affording exclusively α‐ and β‐anomers with __galacto__‐ and __gluco__‐configuration, respectively. Nitro group reduction to the amino group and also ester cleavage led to compounds **2**, **6**, a