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ChemInform Abstract: A Convenient Synthesis of Pyrano[2,3-b][1,5]oxazepines by Ring Closure of O-Glycosyl Amino Acids.

✍ Scribed by Ahmed I. Khodair; Richard R. Schmidt

Book ID
112043788
Publisher
John Wiley and Sons
Year
2012
Weight
32 KB
Volume
43
Category
Article
ISSN
0931-7597

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A Convenient Synthesis of Pyrano[2,3-b][
A Convenient Synthesis of Pyrano[2,3-b][1,5]oxazepines by Ring Closure of O-Glycosyl Amino Acids
✍ Ahmed I. Khodair; Richard R. Schmidt πŸ“‚ Article πŸ“… 2011 πŸ› John Wiley and Sons 🌐 English βš– 365 KB πŸ‘ 1 views

## 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