Two new benzyl dihydroflavones phelligrins A and B were isolated from the fruit body of Phellinus igniarius. Their structrues were identified as 5, 7, 4-trihydroxy-6-O-hydroxybenzyl -dihydroflavone and 5, 7, 4-trihyd...Two new benzyl dihydroflavones phelligrins A and B were isolated from the fruit body of Phellinus igniarius. Their structrues were identified as 5, 7, 4-trihydroxy-6-O-hydroxybenzyl -dihydroflavone and 5, 7, 4-trihydroxy-8-O-hydroxybenzyldihydroflavone, respectively, by means of spectral methods.展开更多
基金The authors are grateful to professor Ablez zeper Institute of Materia Medica,Chinese Academy of Medical Sciences,for mass spectra measurements,and financial support from National“863”program of China(Grant No.2001AA234021).
文摘Two new benzyl dihydroflavones phelligrins A and B were isolated from the fruit body of Phellinus igniarius. Their structrues were identified as 5, 7, 4-trihydroxy-6-O-hydroxybenzyl -dihydroflavone and 5, 7, 4-trihydroxy-8-O-hydroxybenzyldihydroflavone, respectively, by means of spectral methods.
