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J Nat Prod. 1989 Jul-Aug;52(4):679-85.

Plant metabolites. Structure and in vitro antiviral activity of quinovic acid glycosides from Uncaria tomentosa and Guettarda platypoda.

Author information

1
Dipartimento di Chimica delle Sostanze Naturali, Universit√° di Napoli, Italy.

Abstract

A reinvestigation of the bark of Uncaria tomentosa afforded, in addition to the major quinovic acid glycosides 1-3, three further glycosides 4-6. The structures were elucidated by spectral and chemical studies. Furthermore, a series of antiviral tests were performed on all these glycosides and on the related glycosides 7-9, previously isolated from Guettarda platypoda.

PMID:
2553871
DOI:
10.1021/np50064a002
[Indexed for MEDLINE]

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