Application of the intramolecular vinylogous Morita-Baylis-Hillman reaction toward the synthesis of the spinosyn A tricyclic nucleus
- PMID: 12201741
- DOI: 10.1021/ol026540d
Application of the intramolecular vinylogous Morita-Baylis-Hillman reaction toward the synthesis of the spinosyn A tricyclic nucleus
Abstract
[reaction: see text] A concise synthesis of the spinosyn A tricyclic nucleus 27 has been developed by a route featuring a one-pot tandem intramolecular Diels-Alder reaction and intramolecular vinylogous Morita-Baylis-Hillman cyclization in which five stereocenters in tricycle 10 are set with excellent selectivity.
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