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Control of Enantioselectivity in the Photochemical Conversion of α-Oxoamides into β-Lactam Derivatives

✍ Scribed by Natarajan, Arunkumar; Wang, Keyan; Ramamurthy, V.; Scheffer, John R.; Patrick, Brian


Book ID
124083878
Publisher
American Chemical Society
Year
2002
Tongue
English
Weight
68 KB
Volume
4
Category
Article
ISSN
1523-7060

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## Abstract Starting substrates, enantiopure spiranic or 3‐substituted 3‐alkoxy‐4‐oxoazetidine‐2‐carbaldehydes, were prepared from (__R__)‐2,3‐__O__‐isopropylideneglyceraldehyde derived azetidine‐2,3‐diones by sequential Barbier‐type addition reactions followed by hydroxy functionalization and alde