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Ovarian antiproliferative activity directed isolation of triterpenoids from fruits of Eucalyptus camaldulensis Dehnh

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2011-12-01T00:00:00Z
Authors
Topcu, Gulacti
Yapar, Gönül
Turkmen, Zeynep
GOREN, AHMET CEYHAN
Oksuz, Sevil
SCHILLING, Jennifer K.
KINGSTON, David G. I.
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Abstract
Bioassay-guided fractionation of a methanol extract of the fruits of Eucalyptus camaldulensis Dehnh. with moderate antiproliferative activity afforded the new triterpene, 3 beta-acetoxy-urs-11,13(18)-dien-28-oic acid (1) along with the known triterpenoids 3 beta-hydroxy-urs-11-en-28,13 beta-olide (2), 3 beta-acetoxy-urs-11-en-28,13 beta-olide (3), 3-acetylbetulinic acid (4), oleanolic acid (5), ursolic acid (6), beta-amyrin acetate (7), beta-sitosterol (8) and sitosterol 3-O-beta-D-glucopyranoside (9). Their structures were established on the basis of analysis of their (1)H and (13)C NMR, APT, gHSQC, gHMBC, UV, IR and mass spectral data. The tested triterpenoids (1-7) exhibited weak-moderate antiproliferative activity against the A2780 human ovarian cancer cell line. (C) 2011 Phytochemical Society of Europe. Published by Elsevier B. V. All rights reserved.
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Topcu G., Yapar G., Turkmen Z., GOREN A. C. , Oksuz S., SCHILLING J. K. , KINGSTON D. G. I. , -Ovarian antiproliferative activity directed isolation of triterpenoids from fruits of Eucalyptus camaldulensis Dehnh-, PHYTOCHEMISTRY LETTERS, cilt.4, ss.421-425, 2011
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