【摘要】 目的研究中药桂枝(Ramulus Cinnamomi)的化学成分。方法利用硅胶柱色谱、Sephadex LH-20柱色谱及Pe-HPLC等方法进行分离纯化,根据理化性质及波谱分析鉴定化合物的结构。结果分离得到11个已知化合物,分别鉴定为反式桂皮酸(1)、花旗松素(2)、原儿茶酸(3)、反式-邻羟基桂皮酸(4)、原儿茶醛(5)、苯甲酸(6)、反式-邻甲氧基桂皮酸(7)、顺式-邻甲氧基桂皮酸(8)、对羟基苯甲酸(9)、香豆素(10)、胡萝卜苷(11)。结论化合物5为首次从该属植物中分离得到,化合物2、4、6、8、9首次从该植物中分离得到。更多还原

【Abstract】 Objective To study the chemical constituents of Ramulus Cinnamomi.Methods Compounds were isolated by various kinds of column chromatography on silica gel,Sephadex LH-20 and Pe-HPLC,and their structures were identified by the physico-chemical characters and spectral analysis.Results Eleven known compounds were isolated and their structures were identified as trans-cinnamic acid(1),taxifolin(2),protocatechuic acid(3),trans-o-hydroxy cinnamic acid(4),protocatechuic aldehyde(5),benzoic acid(6),trans-o-methoxy cinnamic acid(7),cis-o-methoxy cinnamic acid(8),4-hydroxybenzoic acid(9),coumarin(10),daucosterol(11).Conclusion Compound 5 was isolated from the Cinnamomum genus for the first time,and compounds 2,4,6,8,9 were isolated from Cinnamomum cassia Presl.for the first time.更多还原