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1、绿升麻中菠萝蜜烷型三萜类成分研究卢滨范云双万定荣段宏泉【摘要】 目的研究绿升麻中菠萝蜜烷型三萜皂苷类化学成分。方法以硅胶柱层析、凝胶层析等多种柱层析分离,制备高效液相色谱纯化,得到单体化合物,以各种有机波谱鉴定化合物结构。结果分离得到15个菠萝蜜烷型三萜类皂苷化合物,鉴定为asiaticosideA(1);asiaticosideB(2);26-deoxycimicifugoside(3);cimicifugoside(23S,4);25-甲氧基升麻醇-3-O-b-D-木糖苷(25-O-methy
2、l-cimigenol-3-O-b-D-xylopyranoside,5);25,2'-二乙酰升麻醇-3-O-β-D-木糖苷(25,2'-O-diacetylcimigenol-3-O-β-D-xylopyranoside,6);24-乙酰升麻醇-3-O-β-D-木糖苷(24-O-acetylshengmanol-3-O-β-D-xylopyranoside(23R,24R,7);24-O-acetyldahurinol-3-O-β-D-xylopyranoside(8);23-乙酰升麻醇-3-O-
3、β-D-木糖苷(23-O-acetylshengmanol-3-O-β-D-xylopyranoside,9);CimiracemosideM(10);12β-acetoxy-3β-hydroxy-24,25,26,27-tetranor-cycloart-7-en-23,16β-olide-3-O-β-D-xylopyranoide(11);12β-acetoxy-3β-hydroxy-24,25,26,27-tetranor-cycloartan-23,16β-olide-3-O-β-D-xyl
4、opyranoide(12);CimiracemosideH(13);NeocimicigenosidesB(14);2'-O-乙酰基-25-脱水升麻醇-3-O-β-D-木糖苷(2'-O-acetyl-25-anhydrocimigenol-3-O-β-D-xylopyranoside,15)。结论菠萝蜜烷型三萜类皂苷化合物3~15均为首次从绿升麻中分离得到。【关键词】绿升麻;醋酸乙酯提取物;菠萝蜜烷型三萜皂苷 Abstract:ObjectiveToisolateandelucidatethec
5、onstituentsofActaeaasiatiea.MethodsChemicalconstituentsnchromatography(ToyopearlH,12β-acetoxy-3β-hydroxy-24,25,26,27-tetranor-cycloart-7-en-23,16β-olide-3-O-β-D-xylopyranoside,12β-acetoxy-3β-hydroxy-24,25,26,27-tetranor-cycloartan-23,16β-olide-3-O-β-D-
6、xylopyranoside,CimiracemosideH,NeocimicigenosidesB,2'-O-acetyl-25-anhydrocimigenol-3-O-β-D-xylopyranoside.Conclusionpound3~15Actaeaasiatiea. Keyent(TMS内标);制备高效液相色谱仪:日本分光公司(JASCO),PU-1580(泵),RI-1530和UV-1575(检测器);制备色谱柱:YMC-PackODS-ASH-343-520X250mm(YMC)
7、,Econospheresilica10μm22X250mm(Alltech);液质联用色谱仪:Alliance2695,QuattroMicroTMESI(Sm/z:667〔M+Na〕+(分子式C37H56O9)。1H-NMR(300MHz,Pyr)δ:0.21,0.62(each1H,d,J=4.0Hz,19-H),0.91,1.04,1.14,1.17,1.19,1.24,1.30(each3H,s,7×CH3),2.15(3H,s,COCH3),4.82(2H,d,J=2.8Hz),6.25
8、(2H,d,J=7.3Hz,1'-H)。13C-NMR数据见表1。化合物1经酸水解,TLCRf值对照,鉴定为D-木糖。以上光谱数据与文献〔3〕报道的数据基本一致,鉴定化合物为asiaticosideA。 化合物2:白色无定型粉末。ESI-MSm/z:665〔M+Na〕+(分子式C37H54O9)。1H-NMR(300MHz,Pyr)δ:0.50,0.95(each1H,d,J=3.6Hz,19-H),1.04,1.10,1.10,1.14,1.16,1.27,1.3