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Cycloadditions of 1,3-oxazolium-4-olates (isomünchnones) by rhodium(II)-induced decomposition of α-diazocarbonyl derivatives of (5R)- and (5S)-phenyloxazin-3-one as a chiral template

✍ Scribed by Richard Angell; Marion Fengler-Veith; Harry Finch; Laurence M. Harwood; Toby T. Tucker

Book ID: 104257277
Publisher: Elsevier Science
Year: 1997
Tongue: French
Weight: 204 KB
Volume: 38
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(97)00918-0

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✦ Synopsis

were synthesised from isom~inchnone derivatives of (5R)-and (5S)phenyloxazin-3-one by rhodium(II)-catalysed decomposition of ct-diazocompounds (3a-c). Additions to various carbon-carbon dipolarophiles proceeded with high endo/exo-selectivities and moderate diastereofacial selectivities.

📜 SIMILAR VOLUMES

ChemInform Abstract: Cycloadditions of 1

ChemInform Abstract: Cycloadditions of 1,3-Oxazolium-4-olates (Isomuenchnones) by Rhodium( II)-Induced Decomposition of α-Diazocarbonyl Derivatives of (5R)- and (5S)-Phenyloxazin-3-one as a Chiral Template.

✍ R. ANGELL; M. FENGLER-VEITH; H. FINCH; L. M. HARWOOD; T. T. TUCKER 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 33 KB

Cycloadditions of 1,3-Oxazolium-4-olates (Isomuenchnones) by Rhodium( II)-Induced Decomposition of α-Diazocarbonyl Derivatives of (5R)-and (5S)-Phenyloxazin-3-one as a Chiral Template. -The Rh(II)-catalyzed decomposition of the α-diazo-compounds (I) generates isomuenchnones which undergo 1,3-dipola