TY - JOUR
T1 - Tirucallane triterpenes from the roots of Ozoroa insignis
AU - Liu, Yonghong
AU - Abreu, Pedro Jorge Macedo de
PY - 2006/7
Y1 - 2006/7
N2 - Eight tirucallane triterpenes, methyl 3 alpha,24S-dihydroxytirucalla-8,25-dien-21-oate (2), methyl 3 alpha-hydroxy-24-oxotirucalla-8,25-dien-21-oate (3), methyl 3 alpha-hydroxy-25,26,27-trinor-24-oxotirucall-8-en-21-oate (4), 3 alpha,25-dihydroxy-24-(2-hydroxyethyl)-tirucall-8-en-21-oic acid (5), 3 alpha,24S,25-trihydroxytirucall-8-en-21-oic acid (6), 3 alpha,24R,25-trihydroxytirucall-8-en-21-oic acid (7), 3 alpha,25-dihydroxytirucall-8-en-21-oic acid (8), and methyl 3 alpha,25-dihydroxytirucall-8-en-21-oate (9), together with alpha-elemolic acid methyl ester (1), were isolated from the roots of Ozoroa insignis. Their structures were elucidated on the basis of spectroscopic evidence. (c) 2006 Elsevier Ltd. All rights reserved.
AB - Eight tirucallane triterpenes, methyl 3 alpha,24S-dihydroxytirucalla-8,25-dien-21-oate (2), methyl 3 alpha-hydroxy-24-oxotirucalla-8,25-dien-21-oate (3), methyl 3 alpha-hydroxy-25,26,27-trinor-24-oxotirucall-8-en-21-oate (4), 3 alpha,25-dihydroxy-24-(2-hydroxyethyl)-tirucall-8-en-21-oic acid (5), 3 alpha,24S,25-trihydroxytirucall-8-en-21-oic acid (6), 3 alpha,24R,25-trihydroxytirucall-8-en-21-oic acid (7), 3 alpha,25-dihydroxytirucall-8-en-21-oic acid (8), and methyl 3 alpha,25-dihydroxytirucall-8-en-21-oate (9), together with alpha-elemolic acid methyl ester (1), were isolated from the roots of Ozoroa insignis. Their structures were elucidated on the basis of spectroscopic evidence. (c) 2006 Elsevier Ltd. All rights reserved.
KW - Tetracyclic triterpenes
KW - Tirucallanes
KW - Anacardiaceae
KW - Ozoroa insignis
UR - http://www.scopus.com/record/display.uri?eid=2-s2.0-33746049186&origin=resultslist&sort=plf-f&src=s&st1
U2 - 10.1016/j.phytochem.2006.05.004
DO - 10.1016/j.phytochem.2006.05.004
M3 - Article
VL - 67
SP - 1309
EP - 1315
JO - Phytochemistry
JF - Phytochemistry
SN - 0031-9422
IS - 13
ER -