Regio- and stereoselective synthesis of
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Mohamed Bouktaib; Aziz Atmani; Christian Rolando
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Article
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2002
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Elsevier Science
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French
⚖ 130 KB
Protected quercetin was first transformed selectively in its 3-O-b-D-glucoside. Further protection of the remaining phenolic hydroxyl group allows a clean oxidation of the glucoside by TEMPO/NaOCl/NaBr under phase transfer conditions into the corresponding glucuronide which was cleanly deprotected t