Synthesis of juncunone: an unusual dihydrophenanthrene from Juncus roemerianus
作者:Christopher F. Carvalho、Melvyn V. Sargent
DOI:10.1039/c39820001198
日期:——
A efficient synthesis of the biogenetically unusual 9,10-dihydrophenanthrene, juncunone, is reported; the key step involves ring-closure of a (Z)-2-chlorostilbene to a phenanthrene by an intramolecular homolytic substitution induced by activated magnesium.