abstract |
3-(3-hydroxy-4-methoxybenzyl)-7-methylene-1-vinyl-2,3,3a,4,7,7a-hexahydroinden-4-one of formula, and 3-(3-hydroxy-4-methoxybenzyl)-4-hydroxy-7-methyl-1-vinylindan of formula, stereoisometic forms thereof may be extracted from the plant Ottelia alismoides. The compounds have an antitimor and antileukaemic properties. |