1 Departments of Pharmacognosy and Pharmaceutical Chemistry, Albert Szent-Gyorgyi Medical University, P.O. Box 121, H-6701 Szeged, Hungary, and Central Research Institute for Chemistry, Hungarian Academy of Sciences, P.O. Box 17, Budapest, Hu.
From the roots of Leuzea carthamoides, (E)-3,3'-dimethoxy-4, 4'-dihydroxystilbene (1) has been isolated and its structure elucidated by means of NMR spectroscopy, including HMQC and HMBC measurements, mass spectrometry, and X-ray crystallography.