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Synthesis of Polyfluorodibenz[b,f][1,4]oxazepines by the Cyclization of 2-[(Polyfluorobenzylidene)amino]phenols.

✍ Scribed by Cara L. Allaway; Martina Daly; Mark Nieuwenhuyzen; Graham C. Saunders

Publisher
John Wiley and Sons
Year
2010
Weight
33 KB
Volume
33
Category
Article
ISSN
0931-7597

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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