Koanolide A, antiproliferative germacrane-type sesquiterpene lactone from Koanophyllon gibbosum

被引:4
作者
Castillo, Quirico A. [1 ,2 ]
Padron, Jose M. [3 ]
Wojtas, Lukasz [4 ]
Keramane, Mehdi [5 ]
Germosen, Evelyn A. [2 ]
机构
[1] UASD, Fac Ciencias, Escuela Quim, Ciudad Univ, Santo Domingo, DN, Dominican Rep
[2] UASD, Fac Ciencias, Inst Quim, Ciudad Univ, Santo Domingo, DN, Dominican Rep
[3] Univ La Laguna, Ctr Invest Biomed Canarias CIBICAN, Inst Univ Bioorgan Antonio Gonzalez IUBO AG, BioLab, San Cristobal la Laguna 38206, Spain
[4] Univ S Florida, Dept Chem, 4202 East Fowler Ave, Tampa, FL 33612 USA
[5] McMaster Univ, Biointerfaces Inst, Engn Technol Bldg,Room 413,1280 Main St West, Hamilton, ON L8S 0A3, Canada
关键词
Koanophyllon gibbosum; Koanolide A; Germacranolides; Sesquiterpene lactones;
D O I
10.1016/j.tetlet.2019.05.036
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A new germacrane-type sesquiterpene lactone, koanolide A (1), was isolated from the aerial parts of Koanophyllon gibbosum. The new structure was elucidated using spectroscopic and spectrometric data analyses, including 1D and 2D NMR. The absolute configuration of compound 1 was established by X-ray crystallography. The antiproliferative activity of 1 was studied in a panel of six representative human solid tumor cell lines and showed GI(50) values ranging from 0.34 to 20 mu M. (C) 2019 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1640 / 1642
页数:3
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