Isolation and On‐Line LC/CD Analysis of 3,8″‐Linked Biflavonoids from Gnidia involucrata |
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| Authors: | Julien Ferrari Christian Terreaux Tibor Kurtn Attila Szikszai‐Kiss Sndor Antus Jerome&#x;D Msonthi Kurt Hostettmann |
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| Institution: | Julien Ferrari,Christian Terreaux,Tibor Kurtán,Attila Szikszai‐Kiss,Sándor Antus,Jerome?D. Msonthi,Kurt Hostettmann |
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| Abstract: | Investigation of the methanol extract of the roots of Gnidia involucrata (Thymelaeaceae) led to the isolation and characterization of two new 3,8″‐biflavonoid diastereoisomers, named GB‐4 ( 6a ) and GB‐4a ( 6b ). Their absolute configurations were determined in mixture by on‐line LC/CD measurements, which also allowed the revision of absolute configurations of the biflavanoids GB‐1 and GB‐2, and the configurational assignment of GB‐3. |
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