著者所属：Department of Chemistry, Faculty of Science, The University of Tokyo Department of Chemistry, Faculty of Science, The University of Tokyo Department of Chemistry, Faculty of Science, The University of Tokyo Department of Chemistry, Faculty of Science, The University of Tokyo Application Center, Scientific Instrument Project, JEOL Ltd.
Two bitter quassinoids, shinjulactones D and E (1 and 2), were isolated from Ailanthus altissima SWINGLE and their structures were determined to be 11β, 20-epoxy-1β, 2α, 11α, 12α-tetrahydroxypicrasan-16-one and 11β, 20-epoxy-1β, 6α, 11α, 12α-tetrahydroxypicrasa-3, 13 (21)-diene-2, 16-dione, respectively.
