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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.

✍ Scribed by R. ANGELL; M. FENGLER-VEITH; H. FINCH; L. M. HARWOOD; T. T. TUCKER

Book ID
101850489
Publisher
John Wiley and Sons
Year
2010
Weight
33 KB
Volume
28
Category
Article
ISSN
0931-7597

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✦ Synopsis

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-dipolar cycloadditions with high endo/exoselectivities and moderate diastereofacial selectivities.

-(ANGELL, R.;

📜 SIMILAR VOLUMES

Cycloadditions of 1,3-oxazolium-4-olates
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
✍ Richard Angell; Marion Fengler-Veith; Harry Finch; Laurence M. Harwood; Toby T. 📂 Article 📅 1997 🏛 Elsevier Science 🌐 French ⚖ 204 KB

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.