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ChemInform Abstract: A New Approach to Pyrrolophenanthridone Alkaloids via Intramolecular Radical Cyclization.

โœ Scribed by O. TSUGE; T. HATTA; H. TSUCHIYAMA


Publisher
John Wiley and Sons
Year
2010
Weight
30 KB
Volume
29
Category
Article
ISSN
0931-7597

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ChemInform Abstract: A Diastereoselectiv
โœ K. GOODALL; A. F. PARSONS ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› John Wiley and Sons โš– 30 KB ๐Ÿ‘ 2 views

A Diastereoselective Radical Cyclization Approach to Pyroglutamates. -The 5-endo radical cyclization of pyruvic acid derived dehydroalanines (VI) possessing chiral ester auxiliaries is reported. The diastereoselectivity can be increased up to 6:1 by cyclization of the corresponding 8-phenylmenthyl