作者:M KITAMURA、H HAYASHI、M YANO、T TANAKA、N MAEZAKI
DOI:10.1016/s0385-5414(07)81202-0
日期:2007.12.1
We have developed a highly diastereoselective route to construct rel-(7S,8S,7'R,8'S)-7,7'-epoxylignan skeleton, wherein stereocontrolled Michael addition to gamma-oxyenone intermediate and subsequent alpha-alkylation to the resulting ketone are keys to the synthesis.