A new coumaronochromone derivative, sophorophenolone ( 1 ), along with 13 known compounds, l -maackiain ( 2 ), medicagol ( 3 ), 7- O -methylpseudobaptigenin ( 4 ), pseudobaptigenin ( 5 ), 7,3'-di- O -methylorobol ( 6 ), genistein ( 7 ), prunetin ( 8 ), daidzein ( 9 ), formononetin ( 10 ), Di- O -methyldaidzein ( 11 ), quercetin ( 12 ), kaempferol ( 13 ) and isorhamnetin ( 14 ) were isolated from pericarps of Sophora japonica L. The structure of compound 1 was established by UV, IR, MS, and one-dimensional and two-dimensional NMR spectroscopy, including DEPT, NOESY, 1 H- 1 H COSY, HMQC, and HMBC experiments.
Journal of Asian Natural Products Research
Volume 4, 2002 - Issue 1
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