American Chemical Society, Journal of Organic Chemistry, 2(72), p. 643-646, 2006
DOI: 10.1021/jo0620866
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Two chromatographically inseparable, diastereomeric eudesmane cyclic sulfites have been semisynthesized from alpha-santonin. This diastereomeric mixture was resolved by enzymatic acetylation with CCL. Each cyclic sulfite derivative was individually characterized on the basis of its spectroscopic and crystallographic properties.