Abstract:Source of materialThebisabolangelone (0.26g,1.0 mmol)and Pd/C (0.05g,10% w/w)was dissolvedinEtOH(20 ml)at25°Cunder dry nitrogen atmosphere, then hydrogen gas (99%) was bubbled into the vigorous stirred solution (300 ml/minute) for 2.0 hu ntil the bisabolangelone was completely consumed. Filtration of the catalyst and removing the solvents at reduced pressure give white solids, which was purified by columnchromatography on silica with ethylacetate/petroleum ether (1:3) as eluent to give four pure target compoun… Show more
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