New dimeric flavans from gambir, an extract of Uncaria gambir
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<p>Three new dimeric flavans, catechin-(4 alpha -> 8)-ent-epicatechin (7), gambirflavan D1 (8), and gambirflavan D2 (9), were isolated from gambir (an extract from the leaves and young twigs of Uncaria gambir), and their structures were determined based on spectroscopic and chemical data.</p>
- Japan Institute of Heterocyclic Chemistryの論文
- 2008-07-03
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