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A Photochemical Route to Dibenzonaphthyrones.

✍ Scribed by Yvette A. Jackson; Karla-Sue C. Marriott


Publisher
John Wiley and Sons
Year
2003
Weight
107 KB
Volume
34
Category
Article
ISSN
0931-7597

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## Abstract Enantiomerically pure vinylglycine (4b) can be prepared from natural (β€žchiral pool”︁) amino acids by photoelimination of γ‐functionalized __N__‐phthaloyl amino acid esters. Two routes have been developed: (a) a three‐step synthesis of substrate 3b [PhtN‐Met(SO)OMe] from (__S__)‐methioni