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CN1528781A - 二色桌片参中新的抗肿瘤化合物Intercedenside D~H - Google Patents

二色桌片参中新的抗肿瘤化合物Intercedenside D~H Download PDF

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CN1528781A
CN1528781A CNA2003101080452A CN200310108045A CN1528781A CN 1528781 A CN1528781 A CN 1528781A CN A2003101080452 A CNA2003101080452 A CN A2003101080452A CN 200310108045 A CN200310108045 A CN 200310108045A CN 1528781 A CN1528781 A CN 1528781A
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intercedenside
sna
water
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ethanol
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CN1241934C (zh
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易杨华
邹峥嵘
吴久鸿
吴厚铭
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Second Military Medical University SMMU
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Abstract

本发明涉及医药技术领域,具体为从二色桌片参中分离的5种抗癌化合物Intercedenside D~H,分子式分别为:C55H83O27SNa;C54H81O26SNa;C55H85O27SNa;C54H81O25SNa;C55H83O26SNa。经多种现代光谱分析,特别是综合应用多种先进的二维核磁共振波谱的解析,确定了这些化合物的化学结构和立体构型。体外抗肿瘤实验表明,这些化合物对IA-9卵巢癌和A-549人肺癌等10种人肿瘤细胞株有明显的抑制作用。因此可用于制备抗肿瘤药物。本发明为研制新的抗肿瘤药物提供先导化合物,对开发利用中国的海洋药用生物资源具有重要价值。

Description

二色桌片参中新的抗肿瘤化合物Intercedenside D~H
技术领域
本发明涉及医药技术领域,是从海洋动物二色桌片参中分离到的5种新的抗肿瘤化合物Intercedenside D、E、F、G、H。
背景技术
二色桌片参(Mensamaria intercedens Lampert)是一种大量生长于福建沿海的海参纲动物,属瓜参科桌片参属。体形较小,体长不足10cm,直径不足3cm,体壁薄。含有丰富的蛋白质、维生素A和维生素E,有较高的营养价值。文献报道该动物还含有丰富的蛋白多糖、多糖和皂苷类物质(吴萍茹等,二色桌片参化学成分研究,中国海洋药物,2000,19(1):17)。有关所含的皂苷类成分的化学结构及抗肿瘤活性迄今尚未见有过报道。
发明内容
本发明是从生长于中国福建海域的二色桌片参中提取分离到的一种新的皂苷类化合物,分别命名为Intercedenside D,Intercedenside E,Intercedenside F,Intercedenside G,Intercedenside H,它们的化学结构式通式如下:
本发明化合物的制备方法如下:
(1)提取:将新鲜二色桌片参洗净、切碎,用5倍量(重量)95%乙醇浸泡提取7天,滤出提取液,再用85%的乙醇浸泡提取2次,每次7天。合并3次提取液,减压回收乙醇,得到流浸膏。将流浸膏溶于水中过滤,将滤液通过大孔树脂柱,依次用水和50%乙醇洗脱。收集50%乙醇洗脱液,减压回收乙醇,得到总皂苷提取物。
(2)分离:上述总皂苷提取物进行硅胶柱层析,以二氯甲烷∶甲醇∶水(8~5∶1~4∶1)混合溶剂洗脱,薄层层析检测,收集含有皂苷的流分,再经过ODS反相柱层析,以甲醇∶水(5~10∶5~0)梯度洗脱,收集不同滤液,薄层层析检测,得到Intercedenside D~H纯品。经多种现代光谱分析,特别是综合应用多种先进的二维核磁共振波谱的解析,确定了这些化合物的化学结构和立体构型。
1.Intercedenside D为无色结晶性粉末,熔点214-216℃,分子式C55H83O27SNa;Liebermann-Burchard反应和α-萘酚反应阳性。电喷雾阳离子质谱ESI-MS+m/z:1253[M+Na]+;电喷雾阴离子质谱ESI-MS-m/z:1207[M-Na]-。IR(KBr)cm-1:3436(羟基),1745(羰基),1653(双键),1235,1068(硫酸酯基)。13C NMR与1H NMR数据见表1和表2。以15%HCl水解皂苷后得到组成皂苷糖链的单糖,将其制备成糖腈乙酸酯衍生物,进行气相色谱-质谱联用分析,经与标准糖的糖腈乙酸酯衍生物对照,确定Intercedenside D的糖链由木糖、葡萄糖、3-O-甲基葡萄糖组成,比例为2∶1∶1。
2.Intercedenside E为无色结晶性粉末,熔点242-244℃,分子式C54H81O26SNa;Liebermann-Burchard反应和α-萘酚反应阳性。电喷雾阳离子质谱ESI-MS+m/z:1223[M+Na]+;电喷雾阴离子质谱ESI-MS-m/z:1177[M-Na]-。IR(KBr)cm-1:3442(羟基),1734(羰基),1659(双键),1237,1071(硫酸酯基)。13C NMR与1H NMR数据见表3和表4。以15%HCl水解皂营后得到组成皂苷糖链的单糖,将其制备成糖腈乙酸酯衍生物,进行气相色谱-质谱联用分析,经与标准糖的糖腈乙酸酯衍生物对照,确定Intercedenside E的糖链由木糖、3-O-甲基葡萄糖组成,比例为3∶1。
3.Intercedenside F为无色结晶性粉末,熔点226-228℃,分子式C55H85O27SNa;Liebermann-Burchard反应和α-萘酚反应阳性。电喷雾阳离子质谱ESI-MS+m/z:1255[M+Na]+;电喷雾阴离子质谱ESI-MS-m/z:1209[M-Na]-。IR(KBr)cm-1:3437(羟基),1731(羰基),1660(双键),1241,1069(硫酸酯基)。13C NMR与1H NMR数据见表5和表6。以15%HCl水解皂苷后得到组成皂苷糖链的单糖,将其制备成糖腈乙酸酯衍生物,进行气相色谱-质谱联用分析,经与标准糖的糖腈乙酸酯衍生物对照,确定Intercedenside F的糖链由木糖、葡萄糖、3-O-甲基葡萄糖组成,比例为2∶1∶1。
4.Intercedenside G为无色结晶性粉末,熔点241.5-243.2℃,分子式C54H81O25SNa;Liebermann-Burchard反应和α-萘酚反应阳性。电喷雾阳离子质谱ESI-MS+m/z:1207[M+Na]+;电喷雾阴离子质谱ESI-MS-m/z:1161[M-Na]-。IR(KBr)cm-1:3443(羟基),1729(羰基),1665(双键),1242,1071(硫酸酯基)。13C NMR与1H NMR数据见表7和表8。以15%HCl水解皂苷后得到组成皂苷糖链的单糖,将其制备成糖腈乙酸酯衍生物,进行气相色谱-质谱联用分析,经与标准糖的糖腈乙酸酯衍生物对照,确定Intercedenside G的糖链由木糖、3-O-甲基葡萄糖组成,比例为3∶1。
5.Intercedenside H为无色结晶性粉末,熔点188-190℃,分子式C55H83O26SNa;Liebermann-Burchard反应和α-萘酚反应阳性。电喷雾阳离子质谱ESI-MS+ m/z:1237[M+Na]+;电喷雾阴离子质谱ESI-MS-m/z:1191[M-Na]-。IR(KBr)cm-1:3437(羟基),1732(羰基),1671(双键),1245,1069(硫酸酯基)。13C NMR与1H NMR数据见表9和表10。以15%HCl水解皂苷后得到组成皂苷糖链的单糖,将其制备成糖腈乙酸酯衍生物,进行气相色谱-质谱联用分析,经与标准糖的糖腈乙酸酯衍生物对照,确定Intercedenside H的糖链由木糖、奎诺糖、3-O-甲基葡萄糖组成,比例为2∶1∶1。
       表1.Intercedenside D苷元部分的13C NMR与1H NMR数据Position       δC        δH(m,Jin Hz)              HMBC1              35.2        1.25(1H,m,α),1.33(1H,m,β)2              26.7        1.82(1H,m,β),1.97(1H,m,α)3              88.9        3.15(1H,dd,3.6,12)       C:1xyl14              39.15              47.8        0.84(1H,m)                 C:4,30,316              22.8        1.86(2H,m)7              119.6       5.59(1H,bs)8              147.59              47.5        3.34(1H,d,9.6)10             35.711             22.3        1.49(1H,m),1.77(1H,m)12             25.4        1.98(1H,m),2.64(1H,m)13             58.014             48.415             43.3        1.69(1H,m),2.53(1H,dd,α,4.8,8.4)16             82.8        6.07(1H,m)                C:17,CH3COO17             87.418             178.419             23.8        1.07(3H,s)                C:9,1020             86.021             26.5        1.74(3H,s)                C:17,20,2222             128.3       5.80(1H,d,12)            C:20,2423             121.0       6.08(1H,t,12)            C:20,2524             122.0       6.73(1H,d,12)            C:26,27,25             135.426             26.0        1.58(3H,s)                C:23,24,25,2727             17.2        1.57(3H,s)                C:23,24,25,2630             17.0        0.98(3H,s)                C:3,4,5,3131             28.4        1.10(3H,s)                C:3,4,5,3032             30.9        1.44(3H,s)                C:13,14CH3COO        170.6CH3COO        21.0        1.93(3H,s)
        表2.Intercedenside D糖链部分的13C NMR与1H NMR数据Position      δC          δH(m,Jin Hz)           HMBCxyl1(1→C-3)1            104.7          4.66(1H,d,7.2)          C:C-32            81.1           4.12(1H,m)               C:1glc3            74.9           4.25(1H,m)               C:2xyl14            75.9           5.01(1H,m)5            63.8           3.72(1H,m),4.75(1H,m)glc(1→2xyl1)1            104.3          5.13(1H,d,7.2)          C:2xyl12            75.6           3.88(1H,m)3            80.0           4.08(1H,m)               C:1xyl24            71.8           4.04(1H,m)5            76.0           3.69(1H,m)6            60.7           4.26(1H,m),4.31(1H,m)xyl2(1→3glc)1            104.1          4.91(1H,d,7.8)          C:3glc2            73.2           3.86(1H,m)3            86.4           4.06(1H,m)               C:1Meglu4            68.6           3.93(1H,m)5            65.8           3.53(1H,t,10.8),4.05(1H,m)Meglu(1→3xyl2)1            104.4          5.15(1H,d,7.2)          C:3xyl22            74.4           3.84(1H,m)               C:3 Meglu3            86.9           3.64(1H,m)               C:2,4 Meglu,OMe4            70.2           3.87(1H,m)               C:OMe5            77.4           3.91(1H,m)               C:4 Meglu6            61.6           4.02(1H,m),4.36(1H,m)OMe          60.4           3.78(3H,s)               C:3 Meglu
      表3.  Intercedenside E苷元部分13C NMR与1H NMR数据Position       δC          δH(m,Jin Hz)        HMBC1             35.4          1.28(1H,m,α),1.37(1H,m,β)2             26.6          1.83(1H,m,β),1.97(1H,m,α)3             88.8          3.18(1H,dd,4.2,12)  C:1xyl14             39.25             47.9          0.90(1H,m)            C:4,30,316             22.9          1.89(2H,m)7             119.7         5.61(1H,bs)8             147.69             47.7          3.38(1H,d,14.4)10             35.911             22.4          1.45(1H,m),1.79(1H,m)12             25.5          1.99(1H,m),2.65(1H,m)13             58.214             48.615             43.4          1.70(1H,m),2.55(1H,dd,α,4.8,8.4)16             82.8          6.09(1H,m)            C:17,CH3COO17             87.518             178.519             24.0          1.10(3H,s)            C:9,1020             86.221             26.8          1.75(3H,s)            C:17,20,2222             128.5         5.83(1H,d,12)        C:20,2423             121.1         6.10(1H,t,12)        C:20,2524             122.1         6.77(1H,d,12)        C:26,27,25             136.126             26.1          1.59(3H,s)            C:23,24,25,2727             17.3          1.58(3H,s)            C:23,24,25,2630             16.8          1.0(3H,s)             C:3,4,5,3131             28.3          1.15(3H,s)            C:3,4,5,3032             31.0          1.48(3H,s)            C:13,14CH3COO        170.5CH3COO        21.1          1.94(3H,s)
          表4.  Intercedenside E糖链部分的13C NMR与1H NMR数据Position          δC            δH(m,Jin Hz)         HMBCxyl1(1→C-3)1                 104.8           4.60(1H,d,7.2)        C:C-32                 82.3            4.00(1H,m)             C:1xyl23                 75.4            4.26(1H,m)             C:2xyl14                 75.9            5.06(1H,m)5                 64.1            3.71(1H,m),4.79(1H,m)xyl2(1→2xyl1)1                 105.7           5.02(1H,d,7.2)        C:2xyl12                 74.7            3.88(1H,m)3                 74.9            4.03(1H,m)4                 77.0            4.11(1H,m)             C:1xyl35                 64.2            3.50(1H,m),4.34(1H,m)Xyl3(1→4xyl2)1                 102.8           4.76(1H,d,7.2)        C:4xyl22                 72.6            3.90(1H,m)3                 86.4            4.09(1H,m)             C:1 Meglu4                 68.8            3.97(1H,m)5                 68.0            3.53(1H,m),
                              4.14(1H,m)Meglu(1→3xyl3)1                 104.5           5.22(1H,d,7.8)        C:3xyl32                 75.6            3.95(1H,m)             C:3 Meglu3                 87.2            3.66(1H,m)             C:2,4 Meglu,OMe4                 70.4            3.94(1H,m)             C:OMe5                 77.7            3.87(1H,m)             C:4 Meglu6                 61.8            4.06(1H,m),4.40(1H,m)OMe               60.6            3.79(3H,s)             C:3 Meglu
          表5.  Intercedenside F苷元部分的13C NMR与1H NMR数据Position        δC             δH(m,Jin Hz)           HMBC1               35.7             1.25(1H,m,α),1.35(1H,m,β)2               26.8             1.80(1H,m,β),1.94(1H,m,α)3               88.8             3.16(1H,m)               C:1xyl14               39.25               47.3             0.86(1H,m)               C:4,30,316               22.9             1.85(2H,m)7               119.4            5.64(1H,bs)8               147.89               47.1             3.37(1H,d,14.4)10              35.311              22.3             1.45(1H,m),
                             1.75(1H,m)12              25.8             1.92(1H,m),2.60(1H,m)13              59.614              48.715              43.4             1.71(1H,m),2.63(1H,dd,α,4.8,8.4)16              85.2             6.16(1H,m)             C:17,CH3COO17              87.218              178.419              23.9             1.04(3H,s)                C:9,1020              87.021              25.4             1.68(3H,s)                C:17,20,2222              37.4             2.03(1H,m),2.50(1H,m)   C:20,2423              23.6             2.20(1H,m),2.28(1H,m)   C:20,2524              124.5            5.04(1H,m)                C:26,27,25              131.626              25.3             1.55(3H,s)                C:23,24,25,2727              17.4             1.43(3H,s)                C:23,24,25,2630              17.1             0.98(3H,s)                C:3,4,5,3131              28.5             1.07(3H,s)                C:3,4,5,3032              30.4             1.45(3H,s)                C:13,14CH3COO         169.9CH3COO         20.8             1.95(3H,s)
       表6.  Intercedenside F糖链部分的13C NMR与1H NMR数据Position         δC           δH(m,Jin Hz)           HMBCxyl1(1→C-3)1               104.8           4.65(1H,d,7.2)          C:C-32               81.4            4.13(1H,m)               C:1glc3               75.1            4.26(1H,m)               C:2xyl14               75.9            5.05(1H,m)5               63.9            3.72(1H,m),4.76(1H,m)glc(1→2xyl1)1               104.5           5.14(1H,d,7.2)          C:2xyl12               75.8            3.95(1H,m)3               80.1            4.12(1H,m)               C:1xyl24               71.4            4.04(1H,m)5               76.1            3.69(1H,m)6               60.8            4.28(1H,m),4.37(1H,m)xyl2(1→3glc)1               104.2           4.95(1H,d,7.8)          C:3glc2               73.3            3.90(1H,m)3               86.4            4.07(1H,m)               C:1Meglu4               68.6            3.93(1H,m)5               66.0            3.53(1H,m),4.08(1H,m)Meglu(1→3xyl2)1               104.6           5.18(1H,d,7.2)          C:3xyl22               74.5            3.86(1H,m)               C:3 Meglu3               86.6            3.65(1H,m)               C:2,4Meglu,OMe4               70.3            3.92(1H,m)               C:OMe5               77.6            3.88(1H,m)               C:4Meglu6               61.7            4.05(1H,m),4.40(1H,m)OMe             60.5            3.78(3H,s)               C:3Meglu
      表7.  Intercedenside G苷元部分的13C NMR与1H NMR数据Position       δC            δH(m,Jin Hz)           HMBC1              35.9             1.33(2H,m)2              26.7             1.80(1H,m,β),1.99(1H,m,α)3              88.8             3.19(1H,m)              C:1xyl14              39.25              47.6             0.91(1H,dd,4.2,10.2)  C:4,30,316              23.0             1.95(2H,m)7              120.2            5.57(1H,bs)8              145.69              47.2             3.33(1H,bd,13.8)10             35.311             22.3             1.44(1H,m,α),1.76(1H,m,β)12             30.6             2.09(1H,m)13             58.314             47.915             43.8             1.59(1H,dd,β,7.2,11.4),2.42(1H,dd,α,7.8,12)16             72.7             5.91(1H,m)              C:17,CH3COO17             57.2             3.12(1H,d,8.4)         C:13,2118             179.519             23.7             1.09(3H,s)              C:9,1020             84.021             28.9             1.60(3H,s)              C:17,20,2222             131.7            5.69(1H,d,12)          C:20,2423             120.3            6.03(1H,t,12)          C:20,2524             121.0            6.42(1H,d,12)          C:26,2725             137.026             26.0             1.66(3H,s)              C:23,24,25,2727             17.5             1.61(3H,s)              C:23,24,25,2630             16.8             1.00(3H,s)              C:3,4,5,3131             28.2             1.16(3H,s)              C:3,4,5,3032             32.4             1.08(3H,s)              C:13,14CH3COO        170.2CH3COO        21.2             1.92(3H,s)
        表8.  Intercedenside G糖链部分的13C NMR与1H NMR数据Position       δC             δH(m,Jin Hz)        HMBCxyl1(1→C-3)1             104.7            4.66(1H,d,7.2)        C:C-32             82.4             4.01(1H,m)             C:1xyl23             75.3             4.24(1H,m)             C:2xyl14             75.8             5.07(1H,m)5             64.1             3.73(1H,m),4.79(1H,m)xyl2(1→2xyl1)1             105.8            5.01(1H,d,7.2)        C:2xyl12             74.7             3.89(1H,m)3             74.9             4.05(1H,m)4             77.0             4.13(1H,m)             C:1Xyl35             64.2             3.49(1H,m),4.31(1H,m)xyl3(1→4xyl2)1             102.8            4.76(1H,d,7.8)        C:4xyl22             72.6             3.90(1H,m)3             86.2             4.09(1H,m)             C:1 Meglu4             68.8             3.97(1H,m)5             66.0             3.54(1H,m),4.12(1H,m)Meglu(1→3xyl3)1             104.6            5.22(1H,d,7.8)        C:3xyl32             75.6             3.95(1H,m)             C:3 Meglu3             87.2             3.68(1H,m)             C:2,4 Meglu,OMe4             70.4             3.94(1H,m)             C:OMe5             77.7             3.86(1H,m)             C:4 Meglu6             61.8             4.06(1H,m),4.40(1H,m)OMe           60.5             3.78(3H,s)             C:3 Meglu
       表9.  Intercedenside H苷元部分的13C NMR与1H NMR数据Position       δC             δH(m,Jin Hz)1              35.3             1.26(1H,m,β),1.34(1H,m,α)2              26.5             1.80(1H,m,β),1.98(1H,m,α)3              88.3             3.20(1H,dd,4.2,12)4              39.55              47.9             0.93(1H,m)6              23.0             1.91(2H,m)7              120.1            5.62(1H,bs)8              147.99              47.5             3.37(1H,d,13.8)10             35.611             22.5             1.44(1H,m),1.72(1H,m)12             25.7             1.98(1H,m),2.65(1H,m)13             58.514             48.315             43.6             1.72(1H,β),2.53(1H,dd,α,8.4,4.8)16             82.8             6.10(1H,m)17             87.618             179.019             24.1             1.12(3H,s)20             85.921             27.0             1.79(3H,s)22             128.6            5.77(1H,d,12)23             121.3            6.20(1H,t,12)24             122.5            6.69(1H,d,12)25             136.426             26.2             1.60(3H,s)27             17.7             1.57(3H,s)30             17.0             1.08(3H,s)31             28.3             1.15(3H,s)32             31.5             1.49(3H,s)CH3COO        170.1CH3COO        21.2             1.94(3H,s)
   表10.  Intercedenside H糖链部分的13C NMR与1H NMR数据Position       δC                 δH(m,Jin Hz)xyl1(1→C-3)1             105.3                 4.70(1H,d,7.2)2             83.2                  3.97(1H,m)3             75.2                  4.26(1H,m)4             75.8                  5.10(1H,m)5             64.0                  3.70(1H,m),4.74(1H,m)qui(1→2xyl1)1             105.2                 4.71(1H,d,6.6)2             76.1                  3.91(1H,m)3             75.3                  4.12(1H,m)4             86.0                  3.59(1H,m)5             71.8                  4.12(1H,m)6             18.0                  1.64(3H,d,6.2)xyl2(1→4qui)1             105.0                 4.84(1H,d,7.8)2             73.6                  4.01(1H,m)3             87.2                  4.18(1H,m)4             68.8                  4.12(1H,m)5             66.6                  3.56(1H,m),4.27(1H,m)Meglu(1→3xyl2)1             105.6                 5.32(1H,d,7.2)2             74.7                  3.98(1H,m)3             88.0                  3.63(1H,m)4             70.5                  4.07(1H,m)5             78.1                  3.94(1H,m)6             62.0                  4.23(1H,m),4.41(1H,m)OMe           60.8                  3.84(3H,s)Xyl:木糖;Glc:葡萄糖;Qui:奎诺糖;J:偶合常数
本发明化合物intercedenside D~H经体外抗肿瘤活性实验,表明这些化合物有明显的抑制肿瘤细胞生长的效果。实验所用的细胞株为国际通用的肿瘤细胞株,即:
A-549(肺癌)
MCF-7(乳腺癌)
IA-9(卵巢癌)
CAKI-1(肾癌)
U-87-MG(神经母细胞癌)
PC-3(前列腺癌)
KB(鼻咽癌)
KB-VIN(鼻咽癌)
SK-MEL-2(黑色素瘤)
HCT-8(肠癌)
实验方法为国际通用的SRB法:根据细胞生长速率,将处于对数生长期的肿瘤细胞以90μl/孔接种于96孔培养板,贴壁生长24小时再加药10μl孔。每个浓度设3复孔。并设相应浓度的生理盐水溶媒对照及无细胞调零孔。肿瘤细胞在37℃、5%CO2的条件下培养72小时,然后倾去培养液,用10%冷TCA固定细胞,4℃放置1小时后,用蒸馏水洗涤5次,空气干燥。最后加入150μl/孔的Tris溶液,酶标仪520nm波长下测定OD值。实验结果见表11。
   表11.  Intercedenside D~H对肿瘤细胞株的抑制作用(ED50,μg/ml)
  样品    A549  MCF-7    IA9  CAKI-1  U-87-MG PC-3  KB  KB-VIN  SK-MEL-2 HCT-8
  Int.D    1.8    2.4    2.4    >5    4.1    3.3    3.7    4.3    4.2    2.9
  Int.E    1.4    1.4    1.7    1.6    2.1    1.7    1.9    2.0    1.6    1.1
  Int.F    1.7    2.1    1.7    1.7    3.3    2.3    3.2    3.2    2.1    1.9
  Int.G    1.6    2.0    1.9    3.8    3.3    2.0    3.3    3.9    2.4    1.8
  Int.H    1.4    1.8    0.96   1.0    3.3    2.2    3.0    3.7    2.2    1.9
ED50:半数有效抑制浓度
从表11可见,这五种化合物对10种肿瘤细胞株的半数有效抑制浓度(ED50)均小于4.3μg/ml,通常ED50<10μg/ml浓度为有效。上述实验结果表明,Intercedenside D~H对10种不同的肿瘤细胞株均显示明显的抑制作用。因而可用于制备抗肿瘤药物。
本发明为研制新的抗肿瘤药物提供了新的先导化合物,对开发利用中国的海洋药用生物资源具有重要意义。
具体实施方式:
实施例1:Intercedenside D~H的分离制备
选择生长于中国福建海域的新鲜二色桌片参1000克,洗涤切碎后分别用5倍量(重量)95%、85%、85%的乙醇依次浸泡提取,每次浸泡7天。合并乙醇提取液,减压回收乙醇,得流浸膏。将流浸膏溶于3倍量的水中,过滤,滤液通过D101大孔树脂柱,依次用水和50%乙醇各5000ml洗脱。收集50%乙醇洗脱液,减压回收溶剂至干,得到总皂苷4.6克。将总皂苷进行硅胶柱层析,以配比为7∶3∶1的二氯甲烷∶甲醇∶水混合溶剂(下层)约1500ml洗脱,收集含有皂苷的部分,再进行ODS反相柱层析,以甲醇∶水(9~7∶1~3)进行梯度洗脱,薄层层析检测,得到intercedenside D~H纯品,其得量分别为:0.13克、0.15克、0.09克、0.23克、0.21克。

Claims (3)

1.抗肿瘤化合物Intercedenside D~H,其特征在于化学结构式如下:
2.权利要求1所述抗肿瘤化合物Intercednside D~H的制备方法,其具体步骤如下:
(1)提取:将新鲜二色桌片参洗净、切碎,用5倍量(重量)95%乙醇浸泡提取7天,滤出提取液,再用85%的乙醇浸泡提取2次,每次7天,合并3次提取液,减压回收乙醇,得到流浸膏,将流浸膏溶于水中,通过大孔树脂柱,依次用水和50%乙醇洗脱,收集50%乙醇洗脱液,减压回收乙醇,得到总皂苷提取物;
(2)分离:将上述总皂苷提取物进行硅胶柱层析,以二氯甲烷∶甲醇∶水(8~5∶1~4∶1)混合溶剂洗脱,薄层层析检测,收集含有皂苷的流分,再经过ODS反相柱层析,以甲醇∶水(5~10∶5~0)梯度洗脱,薄层层析检测,分别得到Intercedenside D~H纯品。
3.权利要求1所述抗肿瘤化合物Intercedenside D~H在制备抗肿瘤药物中的应用。
CN 200310108045 2003-10-21 2003-10-21 二色桌片参中新的抗肿瘤化合物Intercedenside D~H Expired - Fee Related CN1241934C (zh)

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CN101157718B (zh) * 2007-10-23 2010-05-19 中国人民解放军第二军医大学 灰海参中三萜皂苷类抗肿瘤化合物griseaside A及其制备方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101157718B (zh) * 2007-10-23 2010-05-19 中国人民解放军第二军医大学 灰海参中三萜皂苷类抗肿瘤化合物griseaside A及其制备方法

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