Synthesis of 3-Oxa-guaianolides from San
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Gonzalo Blay; Luz Cardona; Begoña Garcı́a; Luisa Lahoz; Belén Monje; José R Pedr
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Article
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2000
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Elsevier Science
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French
⚖ 148 KB
AbstractÐThis article reports on the transformation of santonin into two C 10 -epimeric 3-oxa-guaianolides which are 8-deoxyderivatives of several natural 3-oxaguaianolides isolated from Achillea species. The synthesis involved the photochemical rearrangement of the eudesmane skeleton into a guaiane