- DIMERIC HYDROANTHRACENES FROM THE UNRIPE SEEDS OF CASSIA TOROSA
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From the unripe seeds of Cassia torosa three new dimeric hydroanthracene derivatives were isolated along with stigmasterol, sitosterol, campesterol, physcion-9-anthrone, torosachyrsone and the phlegmacins A2 and B2.The structures of the new derivatives were established as physcion-10,10'-bianthrone, anhydrophlegmacin B2 and torosanin , respectively.Key Word Index - Cassia torosa; Leguminosae; physcion-9-anthrone; physcion-10,10'-bianthrone; phlegmacin; anhydrophlegmacin B2; torosanin; hydroanthracene; phytosterols.
- Kitanaka, Susumu,Takido, Michio
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