An improved phenanthrene synthesis: a simple route to (±)-tylophorine
作者:Andris J. Liepa、Roger E. Summons
DOI:10.1039/c39770000826
日期:——
Vanadium trifluoride oxide was found to convert a variety of 1,2-diarylethylene derivatives into phenanthrenes in high yield and provided the means for an efficient synthesis of (±)-tylophorine.