【摘要】 <正> 豆科植物甘草中含有大量甘草次酸(Glycyrrhetinic Acid)。近代药理实验表明,甘草的抗炎症、抗溃疡以及抗变态反应等功效,主要归因于甘草中所含的甘草甜素,甘草次酸及其衍生物。多年来,国内外学者对甘草次酸更多还原

【Abstract】 Twelve 3-esterified derivatives were readily prepared from glycyrrhetinic acid orits methyl ester and the appropriate acylation reagents such as phthalic anhydride. cinnamicchloride, 3’:4’-methylene dioxy cinnamic chloride, 4’-methoxy benzoic chloride and 3’,4’,5’-trimethoxy benzoic chloride.更多还原