Chemical Components of Styrax officinalis L. – IV1

Abstract
The structure of styraxin, a lignan from Styrax officinalis, has been established as 2–exo–(3',4'–methylenedioxyphenyl) 6–exo–(3"–methoxy, 4"–hydroxyphenyl)–4–oxo–3,7–dioxabicyclo–(3,3,0) octane. MS and NMR spectral evidence as well as the results of X–ray crystallographic analysis are presented.