First Asymmetric Total Syntheses and Determination of Absolute Configurations of (+)-Eudesmadiene-12,6-olide and (+)-Frullanolide
作者:Yu-Yu Chou、Chun-Chen Liao
DOI:10.1021/ol4003724
日期:2013.4.5
The first asymmetric total syntheses of sesquiterpene lactones (+)-eudesmadiene-12,6-olide (1) and (+)-frullanolide (2) have been accomplished from 4-bromo-2-methoxyphenol (5) in 12 and 13 synthetic steps, respectively, and the absolute configurations of these two natural products were determined.