Asymmetric synthesis of (4R,5R)-cytoxazone and (4R,5S)-epi-cytoxazone.
(4R,5R)-Cytoxazone has been prepared in four steps and in 61% overall yield and >98% ee. Conjugate addition of lithium (R)-N-benzyl-N-[small alpha]-methylbenzylamide to tert-butyl (E)-3-(p-methoxyphenyl)prop-2-enoate and subsequent in situ diastereoselective enolate oxidation with (+)-(campho...
| Główni autorzy: | , , , , |
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| Format: | Journal article |
| Język: | English |
| Wydane: |
2004
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