AIM: To study the chemical constituents of the fruits of Illicium henryi. METHOD: Chromatographic separations on silica gel, Sephadex LH-20 gel and MCI gel were used to isolate the compounds. The structures were eluci...AIM: To study the chemical constituents of the fruits of Illicium henryi. METHOD: Chromatographic separations on silica gel, Sephadex LH-20 gel and MCI gel were used to isolate the compounds. The structures were elucidated based on extensive spectroscopic data analyses. RESULTS: Seven compounds were obtained and their structures were identified as 10-benzoyl-cycloparvifloralone(1), cycloparvifloralone(2), 2α-hydroxycycloparviforalone(3), henrylactone B(4), merrillianone(5), henrylactone C(6) and 7, 14-ortholactone-3-hydroxyfloridanolide(7). CONCLUSION: Compound 1 is a new sesquiterpene lactone. The tested compounds showed weak anti-HBV activities on HBV surface antigen(HBsAg) secretion and HBV e antigen(HBeAg) secretion using Hep G2.2.15 cell line.展开更多
基金supported by the National Natural Science Foundation of China(No.81172961)the External Cooperation Program of the Chinese Academy of Sciences(P2009-KF10)
文摘AIM: To study the chemical constituents of the fruits of Illicium henryi. METHOD: Chromatographic separations on silica gel, Sephadex LH-20 gel and MCI gel were used to isolate the compounds. The structures were elucidated based on extensive spectroscopic data analyses. RESULTS: Seven compounds were obtained and their structures were identified as 10-benzoyl-cycloparvifloralone(1), cycloparvifloralone(2), 2α-hydroxycycloparviforalone(3), henrylactone B(4), merrillianone(5), henrylactone C(6) and 7, 14-ortholactone-3-hydroxyfloridanolide(7). CONCLUSION: Compound 1 is a new sesquiterpene lactone. The tested compounds showed weak anti-HBV activities on HBV surface antigen(HBsAg) secretion and HBV e antigen(HBeAg) secretion using Hep G2.2.15 cell line.