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Direct and Stereoselective Synthesis of 2‐Acetamido‐2‐deoxy‐β‐ D ‐glycopyranosides by Using the Phosphite Method
Author(s) -
Arihara Ryoichi,
Nakamura Seiichi,
Hashimoto Shunichi
Publication year - 2005
Publication title -
angewandte chemie
Language(s) - German
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.200461988
Subject(s) - stereoselectivity , chemistry , stereochemistry , schema (genetic algorithms) , combinatorial chemistry , medicinal chemistry , organic chemistry , catalysis , information retrieval , computer science
Intermediat vermieden : Die β‐selektive Glycosidierung von 2‐Acetamido‐2‐desoxyglycosyldiethylphosphiten in Gegenwart von Bis(trifluormethansulfonyl)imid (Tf 2 NH) als Promotor verläuft direkt, d. h. ohne Umweg über ein Oxazolinium‐Ion als Zwischenstufe (siehe Schema; MS4A=4‐Å‐Molekularsieb).

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