Total synthesis and absolute stereochemistry of (9R,10S)-epoxyheptadecan-4,6-diyn-3-one, a diacylglycerol acyltransferase inhibitor from Panax ginseng
摘要:
Asymmetric synthesis of four possible stereoisomers of (9,10) -epoxyheptadecan-4,6-diyn-3-one was accomplished, and the absolute configuration of the naturally occurring (9R,10S)-epoxyheptadecan-4,6-diyn-3-one (1) was elucidated. (C) 2004 Elsevier Ltd. All rights reserved.
New Polyacetylenes, DGAT Inhibitors from the Roots of<i>Panax ginseng</i>
作者:Lee, Seung Woong、Kim, Koanhoi、Rho, Mun-Chual、Chung, Mi Yeon、Kim, Young Ho、Lee, Sangku、Lee, Hyun Sun、Kim, Young Kook
DOI:10.1055/s-2004-815534
日期:2004.3
The petroleum ether extract of Panaxginseng showed a significant inhibition of the diacylglycerol acyltransferase (DGAT) enzyme from rat liver microsomes. Bioactivity-guided fractionation led to the isolation of two newpolyacetylenic compounds, (9 R,10 S)-epoxyheptadecan-4,6-diyn-3-one ( 1) and 1-methoxy-(9 R,10 S)-epoxyheptadecan-4,6-diyn-3-one ( 2). Their chemical structures were elucidated on