Cycloadditions of 1,3-oxazolium-4-olates (Isomunchnones) by Rhodium(II)-Induced decomposition of α-Diazocarbonyl derivatives of (5R)- and (5S)-phenyloxazin-3-one as a chiral template

DOI: 10.1016/S0040-4039(97)00918-0

Source and publish data:

Tetrahedron Letters p. 4517 - 4520 (1997)

Update date:2022-08-03

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Authors:

Angell, Richard

Fengler-Veith, Marion

Finch, Harry

Harwood, Laurence M.

Tucker, Toby T.

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Article abstract of DOI:10.1016/S0040-4039(97)00918-0

Cycloadducts (6-9) were synthesised from isomunchnone derivatives of (5R)- and (5S)-phenyloxazin-3-one by rhodium(II)-catalysed decomposition of α-diazocompounds (3a-c). Additions to various carbon-carbon dipolarophiles proceeded with high endo/exo-selectivities and moderate diastereofacial selectivities.

Full text of DOI:10.1016/S0040-4039(97)00918-0

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