TY - JOUR
T1 - Ovarian antiproliferative activity directed isolation of triterpenoids from fruits of Eucalyptus camaldulensis Dehnh
AU - Topu, Gülaçti
AU - Yapar, Gönül
AU - Türkmen, Zeynep
AU - Gören, Ahmet Ceyhan
AU - Öksüz, Sevil
AU - Schilling, Jennifer K.
AU - Kingston, David G.I.
PY - 2011/12
Y1 - 2011/12
N2 - Bioassay-guided fractionation of a methanol extract of the fruits of Eucalyptus camaldulensis Dehnh. with moderate antiproliferative activity afforded the new triterpene, 3β-acetoxy-urs-11,13(18)-dien-28-oic acid (1) along with the known triterpenoids 3β-hydroxy-urs-11-en-28,13β-olide (2), 3β-acetoxy-urs-11-en-28,13β-olide (3), 3-acetylbetulinic acid (4), oleanolic acid (5), ursolic acid (6), β-amyrin acetate (7), β-sitosterol (8) and sitosterol 3-O-β-D-glucopyranoside (9). Their structures were established on the basis of analysis of their 1H and 13C 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.
AB - Bioassay-guided fractionation of a methanol extract of the fruits of Eucalyptus camaldulensis Dehnh. with moderate antiproliferative activity afforded the new triterpene, 3β-acetoxy-urs-11,13(18)-dien-28-oic acid (1) along with the known triterpenoids 3β-hydroxy-urs-11-en-28,13β-olide (2), 3β-acetoxy-urs-11-en-28,13β-olide (3), 3-acetylbetulinic acid (4), oleanolic acid (5), ursolic acid (6), β-amyrin acetate (7), β-sitosterol (8) and sitosterol 3-O-β-D-glucopyranoside (9). Their structures were established on the basis of analysis of their 1H and 13C 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.
KW - 3β-acetoxy-urs-11, 13(18)-dien-28-oic acid (eucamaldulenoic acid)
KW - A2780 ovarian antiproliferative activity
KW - Eucalyptus camaldulensis
KW - Myrtaceae
KW - Triterpenoids
UR - http://www.scopus.com/inward/record.url?scp=81855183247&partnerID=8YFLogxK
U2 - 10.1016/j.phytol.2011.05.002
DO - 10.1016/j.phytol.2011.05.002
M3 - Article
AN - SCOPUS:81855183247
SN - 1874-3900
VL - 4
SP - 421
EP - 425
JO - Phytochemistry Letters
JF - Phytochemistry Letters
IS - 4
ER -