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ChemInform Abstract: Stereoselective Synthesis of Flavonoids. Part 8. Free Phenolic Flavan-3-ol Diastereoisomers.
First published: 10 June 2010
Abstract
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ChemInform Abstract
Asymmetric dihydroxylation of a series of 1,3-diarylpropenes (III) with AD-mix-α or AD-mix-β and subsequent acid-catalyzed cyclization of the formed diols (IV) permits the synthesis of all four diastereomers of free phenolic flavan-3-ols in high enantiomeric excess and yields.
