Fitoterapia 2011-06-01

Two new antioxidant bergenin derivatives from the stem of Rivea hypocrateriformis.

Zamarrud, Iftikhar Ali, Hidayat Hussain, Viqar Uddin Ahmad, Muhammad Qaiser, Afroze Amyn, Faryal Vali Mohammad

Index: Fitoterapia 82(4) , 722-5, (2011)

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Abstract

Two new bergenin derivatives, named rivebergenin A and B (1, and 2), together with two known compounds, bergenin (3) and norbergenin (4) were isolated from the stem of Rivea hypocrateriformis (Desr.) Choisy. The structures of the new compound have been assigned from (1)H and (13)C NMR spectra, DEPT, and by 2D COSY, HMQC, and HMBC experiments. Compounds 1-4 showed the strong antioxidant activity.Copyright © 2011 Elsevier B.V. All rights reserved.

Related Compounds

  • Bergenin

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