青阳参乙酸乙酯萃取部位的化学成分

殷敏敏; 殷志琦; 张健; 王磊; 叶文才

doi:10.11665/j.issn.1000-5048.20130305

青阳参乙酸乙酯萃取部位的化学成分

Chemical constituents from ethyl acetate extract of Cynanchum otophyllum Schneid.

摘要

摘要: 从青阳参(Cynanchum otophyllum Schneid.)醇提取物的乙酸乙酯萃取部位分离出14个化合物，通过波谱方法和理化性质分别鉴定为青阳参苷甲( 1 )，青阳参苷乙( 2 )，2，5-二羟基苯乙酮( 3 )，2，5-二羟基苯甲酸甲酯( 4 )，香草醛( 5 )，阿江榄仁酸( 6 )，山橘脂酸( 7 )，告达亭3-O-β-D-吡喃加拿大麻糖基-(1→4)-β-D-吡喃夹竹桃糖基-(1→4)-β-D-吡喃加拿大麻糖基-(1→4)-β-D-吡喃加拿大麻糖苷( 8 )，本波苷元( 9 )，告达亭3-O-β-D-葡萄吡喃糖基-(1→4)-β-D-夹竹桃吡喃糖基-(1→4)-β-D-加拿大麻吡喃糖基-(1→4)-β-D-加拿大麻吡喃糖苷( 10 )，青阳参苷元3-O-β-D-夹竹桃吡喃糖基-(1→4)-β-D-加拿大麻吡喃糖基-(1→4)-β-D-洋地黄毒吡喃糖苷( 11 )，凯德苷元3-O-β-D-加拿大麻吡喃糖苷( 12 )，青阳参苷元3-O-β-D-加拿大麻吡喃糖基-(1→4)-β-D-洋地黄毒吡喃糖苷( 13 )，凯德苷元3-O-β-D-夹竹桃吡喃糖基-(1→4)-β-D-加拿大麻吡喃糖基-(1→4)-β-D-加拿大麻吡喃糖苷( 14 )。其中化合物 6 和 7 为首次从鹅绒藤属中分离得到，化合物 3 ~ 5 、 8 ~ 14 为首次从该植物中分离得到。

Abstract: Fourteen compounds were isolated and purified from ethyl acetate extract of Cynanchum otophyllum Schneid. , and were identified as otophylloside A( 1 ), otophylloside B( 2 ), 2, 5-dihydroxyacetophenone( 3 ), methyl 2, 5-dihydroxy-benzoate( 4 ), vanillin( 5 ), arjunolic acid( 6 ), glycosmisic acid( 7 ), caudatin-3-O-β-D- cymaropyranosyl-(1→4)-β-D-oleandropyranosl-(1→4)-β-D-cymaropyranosyl-(1→4)-β-D-cymaropyranoside( 8 ), penupogenin( 9 ), caudatin-3-O-β-D-glucopyranosyl-(1 →4)-β-D-oleandropyranosyl-(1→4)-β-D-cymaropyranosyl-(1→4)-β-D-cymaropyranoside( 10 ), qingyangshengenin-3-O-β-D-oleandropyranosyl-(1→4)-β-D- cymaropyranosyl-(1→4)-β-D-digitoxopyranoside( 11 ), and kidjoranin-3-O-β-D- cymaropyranoside( 12 ), qingyangshengenin-3-O-β-D-cymaropyranosyl-(1→4)-β-D- digitoxopyranoside( 13 ), and kidjoranin-3-O-β-D-oleandropyranosyl-(1→4)-β-D- cymaropyranosyl-(1→4)-β-D-cymaropyranoside( 14 )by physicochemical properties and spectroscopic analyses. Among them, compounds 6-7 were firstly isolated from the genus Cynanchum, and compounds 3-5, 8-14 were isolated from this plant for the first time.

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