新疆阿魏Ferula sinkiangensis K. M. Shen. 为伞形科(Umbelliferae)阿魏属Ferula L. 植物,其根、种子、树脂均可入药,主要分布在我国新疆干旱荒漠地区,用于治疗胃肠消化道疾病。《中国药典》2010年版收录的阿魏为新疆阿魏和阜康阿魏的树脂,具有消积、散痞、杀虫的功效[1]。近年来现代药理学研究发现新疆阿魏的提取液具有抗过敏[2]、抑菌、杀灭钉螺、抗炎和免疫等多种药理作用[3],因此引发人们对其研究的兴趣。目前对新疆阿魏的研究多集中在阿魏的树脂[4]、根以及种子的植物学特征,为进一步研究新疆阿魏种子的活性成分,本实验对新疆阿魏种子的化学成分进行研究,分离得到32个化合物,分别鉴定为丁二酸(butanedioic acid,1)、两型曲霉醌A(variecolorquinones A,2)、β-谷甾醇(β-sitosterol,3)、豆甾醇-3-O-葡萄糖苷(stigmasterol-3-O-glucoside,4)、1-(3-乙基苯基)-1 ,2-乙二醇[1-(3-ethylphenyl)-1,2-ethanediol,5]、松脂素(pinoresinol,6)、(7,8-cis-8,8′-trans)-2′,4′-二羟基- 3,5-二甲氧基-落叶松脂素 [(7,8-cis-8,8′-trans)-2′,4′- dihydroxyl- 3,5- dimethoxy-lariciresinol,7]、开环异落叶松脂醇(secoisolariciresinol,8)、正二十六醇(n-hexacosanol,9)、异槲皮素苷(isoquercitrin,10)、槲皮素(quercetin,11)、阿魏酸(ferulic acid,12)、豆甾醇(stigmasterol,13)、木犀草素-7-O-β-D-葡萄糖醛酸苷(luteolin-7-O-β-D-gluronide,14)、(R)-2′- hydroxy-N-[(2S,3S,4R)-1,3,4-trihydroxyhexacosan-2- yl] nonadanamide(15)、macrathoin F(16)、1,5-二-O-咖啡酰奎尼酸(1,5-di-O-caffeoylquinic,17)、牛蒡苷(arctiin,18)、parvifoliols G(19)、5-羟甲基糠醛(5-hydroxymethyl fufural,20)、胡萝卜苷(daucosterol,21)、香草酸(vanillic acid,22)、蔗糖(sucrose,23)、芦丁(rutin,24)、neoarctin A(25)、绿原酸甲酯(methyl chlorogenate,26)、5-O-咖啡酰基奎宁酸(5-O-caffeoylquinic,27)、尿嘧啶核苷(uridine,28)、次黄嘌呤核苷(inosine,29)、7-羟基香豆素(7-hydroxy coumarin,30)、绿原酸(chlorogenic acid,31)、咖啡酸(caffeic acid,32)。其中,化合物2、5~11、14~20、22、24~29、31、32为首次从该属植物中分离得到。
1 仪器与材料LTQ-Obitrap XL质谱仪(Thermo Fisher Scientific公司);Bruker AV600型核磁共振(Bruker公司);Fisher-Johns熔点测定仪(Fisher-Johns公司);LC3000高效液相色谱仪(北京创新通恒科技有限公司);柱色谱用硅胶(200~300、100~200目,青岛海洋化工厂);D001X7树脂(天津南开树脂有限公司);薄层色谱硅胶GF254(青岛海洋化工厂);Sephadex LH-20(Pharmacia Biotech产品,瑞典);MCI GEL(CHP20P,75~150 μm,日本三菱产品);ODS-AQ(50 μm,YMC产品);Fisher 色谱级甲醇;其他试剂均为分析纯(北京化工厂)。
所用药材于2008年7月采自新疆伊犁,经新疆中药民族药研究所李晓瑾研究员鉴定为新疆阿魏Ferula sinkiangensis K. M. Shen. 的种子,标本(XJAWZZ200808-S)存放于新疆维吾尔自治区中药民族药研究所。
2 提取与分离将约4.2 kg干燥的新疆阿魏种子粉碎,过4号筛,用90%乙醇回流提取3次,每次2 h,合并提取液,减压浓缩得浸膏约400 g。分别用石油醚、二氯甲烷、水饱和的正丁醇萃取总浸膏的水溶液,萃取液减压浓缩至稠膏状。石油醚部位(60 g)经硅胶柱色谱分离,石油醚-醋酸乙酯(100∶1→0∶1)梯度洗脱,Sephadex LH-20柱色谱分离纯化。二氯甲烷部位(130 g)先经正相硅胶色谱,二氯甲烷-甲醇(1∶0→0∶1)梯度洗脱,所得组分再依次经MCI 色谱柱,Sephadex LH-20柱色谱分离纯化最终得到化合物1(8 mg)、2(6 mg)、3(15 mg)、4(20 mg)、5(15 mg)、6(12 mg)、7(20 mg)、8(23 mg)、9(5 mg)、10(15 mg)、11(13 mg)、12(10 mg)、< span lang="EN-US" xml:lang="EN-US">13(20 mg)、14(8 mg)、15(7 mg)、16(6 mg)、17(10 mg)、18(26 mg)、19(6 mg)、20(7 mg)、21(16 mg)、22(6 mg)、23(30 mg)、24(16 mg</ span>)、25(5 mg)、26(11 mg)、27(8 mg)、28(9 mg)、29(7 mg)、30(15 mg)、31(10 mg)、32(7 mg)。
3 结构鉴定化合物1:白色粉末(甲醇)。1H-NMR (600 MHz,CD3OD) δ: 2.51 (4H,s,H-2,3);13C-NMR (150 MHz,CD3OD) δ: 176.4 (C-1,4),29.8 (C-2,3)。以上数据与文献报道基本一致[5],故鉴定化合物1为丁二酸。
化合物2:深棕色粉末(甲醇)。1H-NMR (600 MHz,DMSO-d6) δ: 13.72 (1H s,1-OH),7.51 (1H,s,H-4),7.21 (1H,d,J = 2.4 Hz,H-5),6.84 (1H,d,J = 2.4 Hz,H-7),5.01 (1H,s,3′-OH),4.71 (1H,s,H-4′),4.36 (1H,dd,J = 4.2,6.0 Hz,H-2′),4.21 (1H,dd,J = 4.2,6.0 Hz,H-2′),3.91 (3H,s,8-OCH3),3.76 (1H,m,H-3′),2.37 (3H,s,3-CH3);13C-NMR (150 MHz,DMSO-d6) δ: 185.9 (C-9),182.0 (C-10),165.9 (C-6),163.7 (C-8),158.4 (C-1),142.8 (C-3),136.7 (C-10a),132.2 (C-4a),128.9 (C-2),119.1 (C-4),114.8 (C-9a),112.1 (C-8a),107.5 (C-5),105.1 (C-7),69.2 (C-3),66.9 (C-2′),62.6 (C-4′),56.3 (8-OCH3),19.4 (3-CH3)。以上数据与文献报道基本一致[6],故鉴定化合物2为两型曲霉醌A。
化合物3:无色针晶(氯仿),mp 138~140 ℃。与β-谷甾醇对照品共薄层,其Rf值及其显色行为一致,故鉴定化合物3为β-谷甾醇。
化合物4:白色结晶(甲醇),mp 258~260 ℃,Liebermann-Burchard反应呈阳性。13C-NMR (150 MHz,C5D5N) δ: 141.4 (C-5),139.2 (C-22),129.9 (C-23),122.3 (C-6),103.0 (Glc-C-1),79.0 (C-3),78.9 (Glc-C-3),78.6 (Glc-C-5),75.8 (Glc-C-2),72.1 (Glc-C-4),63.3 (Glc-C-6),57.3 (C-14),56.7 (C-17),51.8 (C-9),50.8 (C-24),46.5 (C-13),40.4 (C-14),40.3 (C-20),39.8 (C-12),39.5 (C-1),37.9 (C-10),32.6 (C-8),32.5 (C-7),30.7 (C-25),29.9 (C-2),29.6 (C-16),26.3 (C-28),12.4 (C-29),12.6 (C-8),19.4 (C-26),19.6 (C-19),20.4 (C-27),22.3 (C-21),23.8 (C-15)。以上数据与文献报道基本一致[1],故鉴定化合物4为豆甾醇-3-O-葡萄糖苷。
化合物5:无色油状物,1H-NMR (600 MHz,CD3OD) δ: 7.42~7.05 (4H,m,H-2′,4′,5′,6′),4.73 (1H,t,J = 7.0 Hz,H-1),3.59 (2H,m,H-2),2.63 (2H,m,H-1″),1.21 (3H,t,J = 7.6 Hz,H-2″);13C-NMR (150 MHz,CD3OD) δ: 145.5 (C-3′),143.2 (C-1′),129.3 (C-5′),128.7 (C-4′),127.4 (C-6′),124.7 (C-2′),76.1 (C-1),68.8 (C-2),29.8 (C-1″),16.2 (C-2″)。以上数据与文献报道基本一致[7],故鉴定化合物5为1-(3-乙基苯基)-1,2-乙二醇。
化合物6:无色凝胶状,1H-NMR (600 MHz,CD3OD) δ: 6.95 (2H,d,J = 1.8 Hz,H-2,2′),6.77 (2H,d,J = 8.4 Hz,H-5,5′),6.81 (2H,dd,J = 8.4,1.8 Hz,H-6,6′),4.71 (2H,d,J = 4.8 Hz,H-7,7′),3.13 (2H,m,H-8,8′),4.24 (2H,dd,J = 9.0,7.2 Hz,H-9,9′),3.86 (3H,s,-OCH3),3.86 (3H,s,-OCH3);13C-NMR (150 MHz,CD3OD) δ: 133.1 (C-1,1′),108.8 (C-2,2′),145.4 (C-3,3′),145.2 (C-4,4′),114.4 (C-5,5′),119.1 (C-6,6′),86.1 (C-7,7′),54.3 (C-8,8′),71.8 (C-9,9′),56.1 (-OCH3)。以上数据与文献报道基本一致[8],故鉴定化合物6为松脂素。
化合物7:无色凝胶状(甲醇)。1H-NMR (600 MHz,CD3OD) δ: 6.73 (1H,s,H-2),6.60 (1H,dd,J = 8.0,1.6 Hz,H-5′),6.73 (1H,s,H-6),6.70 (1H,s,H-6′),4.71 (1H,d,J = 6.5 Hz,H-7),2.45 (1H,m,H-7′),2.90 (1H,m,H-7′),2.34 (1H,m,H-8),2.70 (1H,m,H-8′),3.60 (1H,m,H-9),3.77 (1H,m,H-9),3.68 (1H,m,H-9′),3.96 (1H,m,H-9′),3.80 (3H,s,3- OCH3),3.82 (3H,s,5-OCH3);13C-NMR (150 MHz,CD3OD) δ: 135.5 (C-1),133.2 (C-1′),116.8 (C-2),147.0 (C-2′),148.5 (C-3),113.5 (C-3′),110.3 (C-4),145.3 (C-4′),148.4 (C-5),122.0 (C-5′),116.1 (C-6),119.1 (C-6′),84.1 (C-7,7′),33.4 (C-7′),54.0 (C-8),43.6 (C-8′),60.2 (C-9),73.2 (C-9′),56.1 (3-OCH3),56.1 (5-OCH3)。以上数据与文献报道基本一致[9],故鉴定化合物7为(7,8-cis-8,8′-trans)-2′,4′-二羟基- 3,5-二甲氧基-落叶松脂素。
化合物8:无定形粉末(甲醇)。1H-NMR (600 MHz,CD3OD) δ: 6.65 (2H,d,J = 8.0 Hz,H-5,5′),6.55 (2H,d,J = 1.6 Hz,H-2,2′),6.51 (2H,dd,J = 8.0,1.6 Hz,H-6,6′),3.70 (6H,s,3,3′-OCH3),3.55 (4H,d,J = 4.6 Hz,H-9,9′),2.61 (4H,dd,J = 14.0,7.2 Hz,H-7,7′),1.86~1.90 (2H,m,H-8,8′);13C-NMR (150 MHz,CD3OD) δ: 148.5 (C-3,3′),145.1 (C-4,4′),133.6 (C-1,1′),122.5 (C-6,6′),115.3 (C-5,5′),113.1 (C-2,2′),62.0 (C-9,9′),56.1 (3,3′-OCH3),44.0 (C-8,8′),36.0 (C-7,7′)。以上数据与文献报道基本一致[10],故鉴定化合物8为开环异落叶松脂醇。
化合物9:白色粉末,mp 77~79 ℃;EI-MS m/z: 382 [M]+,364,336,195,181,167,153,139,125,111,97,83,71,57,43。1H-NMR (600 MHz,CDCl3) δ: 0.87 (3H,t,J = 7.2 Hz,-CH2CH3),3.67 (2H,t,J = 6.6 Hz,-CH2OH),1.58 (2H,m,-CH2CH2OH),1.23~1.32 (46H,m,23×CH2)。以上数据与文献报道基本一致[11],故鉴定化合物9为正二十六醇。
化合物10:黄色粉末,ESI-MS m/z: 465 [M+H]+。1H-NMR (600 MHz,CD3OD) δ: 7.60 (1H,dd,J = 8.4,1.8 Hz,H-6′),7.73 (1H,d,J = 8.4 Hz,H-5′),6.91 (1H,d,J = 1.8 Hz,H-2′),6.42 (1H,s,H-8),6.23 (1H,d,J = 1.8 Hz,H-6),5.24 (1H,d,J = 7.2 Hz,H-1″);13C-NMR (150 MHz,CD3OD) δ: 158.4 (C-2),135.5 (C-3),179.4 (C-4),159.1 (C-5),100.1 (C-6),165.9 (C-7),95.1 (C-8),158.4 (C-9),105.1 (C-10),102.2 (C-1″),75.6 (C-2″),78.2 (C-3″),71.1 (C-4″),77.9 (C-5″),62.4 (C-6″),122.9 (C-1′),116.1 (C-2′),145.8 (C-3′),149.8 (C-4′),117.6 (C-5′),123.2 (C-6′)。以上数据与文献报道基本一致[12],故鉴定化合物10为异槲素皮苷。
化合物11:黄色粉末,mp 312~315 ℃;EI-MS m/z: 302 [M]+。1H-NMR (600 MHz,DMSO-d6) δ: 12.53 (1H,s,5-OH),10.76 (1H,s,7-OH),9.39 (1H,s,3-OH),9.63 (1H,brs,3′-OH),9.34 (1H,s,4′-OH),6.42 (1H,d,J = 2.0 Hz,H-8),6.20 (1H,d,J = 2.0 Hz,H-6),7.69 (1H,d,J = 2.0 Hz,H-2′),7.57 (1H,dd,J = 2.0,8.5 Hz,H-6′),6.90 (1H,d,J = 2.0 Hz,H-5′);13C-NMR (150 MHz,DMSO-d6) δ: 156.5 (C-2),135.9 (C-3),176.2 (C-4),148.0 (C-5),98.6 (C-6),164.2 (C-7),93.9 (C-8),161.1 (C-9),103.2 (C-10),122.3 (C-1′),115.1 (C-2′),145.7 (C-3′),147.2 (C-4′),115.9 (C-5′),120.1 (C-6′)。以上数据与文献报道基本一致[13],故鉴定化合物11为槲皮素。
化合物12:白色针晶(甲醇),mp 173~175 ℃;13C-NMR (600 MHz,CD3OD) δ: 128.4 (C-1),116.5 (C-2),149.7 (C-3),150.6 (C-4),116.7 (C-5),124.5 (C-6),147.1 (C-α),112.1 (C-β),172.0 (C=O),56.6 (-OCH3)。以上数据与文献报道基本一致[1],与阿魏酸的对照品混合熔点不下降,并且Rf值相同,故鉴定化合物12为阿魏酸。
化合物13:无色针晶(甲醇),mp 166~168 ℃,Liebermann-Burchard反应呈阳性。13C-NMR (600 MHz,CDCl3) δ: 37.7 (C-1),31.7 (C-2),72.1 (C-3),42.5 (C-4),140.9 (C-5),121.9 (C-6),32.3 (C-7),32.5 (C-8),50.4 (C-9),36.8 (C-10),21.6 (C-11),39.9 (C-12),41.0 (C-13),57.3 (C-14),24.6 (C-15),29.3 (C-16),56.5 (C-17),12.3 (C-18),19.8 (C-19),40.8 (C-20),21.5 (C-21),138.6 (C-22),129.7 (C-23),51.6 (C-24),32.3 (C-25),19.3 (C-26),12.6 (C-27),21.4 (C-28),19.3 (C-29)。以上数据与文献报道一致[1],故鉴定化合物13为豆甾醇。
化合物14:黄色无定形粉末,mp 236~239 ℃;1H-NMR (600 MHz,DMSO-d6) δ: 7.45 (1H,dd,J = 8.4,2.4 Hz,H-6′),6.90 (1H,d,J = 8.4 Hz,H-5′),6.78 (1H,d,J = 1.8 Hz,H-8),6.74 (1H,s,H-3),6.44 (1H,d,J = 2.4 Hz,H-6),5.07 (1H,d,J = 7.8 Hz,H-1″);13C-NMR (150 MHz,DMSO-d6) δ: 164.5 (C-2),103.2 (C-3),181.9 (C-4),161.1 (C-5),99.4 (C-6),162.9 (C-7),94.7 (C-8),156.9 (C-9),105.3 (C-10),121.3 (C-1′),115.6 (C-2′),145.8 (C-3′),149.9 (C-4′),113.1 (C-5′),119.2 (C-6′),99.9 (C-1″),73.1 (C-2″),76.5 (C-3″),69.5 (C-4″),77.1 (C-5″),60.6 (C-6″)。以上数据与文献报道基本一致[14],故鉴定化合物14为木犀草素-7-O-β-D-葡萄糖醛酸苷。
化合物15:白色无定形粉末。1H-NMR (600 MHz,C5D5N) δ: 4.51 (2H,dd,J = 8.4,4.8 Hz,H-1),5.12 (1H,m,H-2),4.40 (1H,m,H-3),4.31 (1H,m,H-4),1.30 (2H,m,H-5),1.30 (2H,m,H-6),1.30 (28H,m,H-7~20),1.30 (2H,m,H-21),1.30 (2H,m,H-22),1.30 (2H,m,H-23),1.30 (2H,m,H-24),1.0 (3H,t,J = 8.4 Hz,H-25);13C-NMR (150 MHz,C5D5N) δ: 62.4 (C-1),53.4 (C-2),77.2 (C-3),73.4 (C-4),34.8 (C-5),27.3 (C-6),30.6 (C-7~20),28.4 (C-21),37.3 (C-22),23.3 (C-24),14.6 (C-25),175.7 (C-1′),72.8 (C-2′),34.8 (C-3′),26.6 (C-4′),30.5 (C-5′~15′),32.5 (C-16′),23.3 (C-17′),14.6 (C-18′)。以上数据与文献报道基本一致[15],故鉴定化合物15为 (R)-2′-hydroxy-N-[(2S,3S,4R)-1,3,4-trihydroxy-hexacosan- 2-yl] nonadanamide。
化合物16:淡黄色粉末,ESI-MS m/z: 529 [M-H]-。1H-NMR (600 MHz,CD3OD) δ: 7.61 (1H,d,J = 16.0 Hz,H-8),7.55 (1H,d,J = 16.0 Hz,H-7),7.09 (1H,d,J = 2.4 Hz,H-2),7.00 (1H,d,J = 2.4 Hz,H-2′),6.96 (2H,dd,J = 2.4,9.0 Hz,H-6),6.80 (2H,d,J = 9.0 Hz,H-6′),6.28 (1H,d,J = 16.0 Hz,H-8′),6.20 (1H,d,J = 16.0 Hz,H-7′),5.60 (1H,m,H-3′′),5.16 (1H,dd,J = 3.6,8.6 Hz,H-5′′),4.39 (1H,m,H-4′′),3.79 (3H,s,-OCH3),2.30 (4H,m,H-2′′,6′′);13C-NMR (150 MHz,CD3OD) δ: 76.8 (C-3′′),39.4 (C-2′′,6′′),70.1 (C-4′′),75.6 (C-5′′),69.5 (C-4′′),176.1 (C-7′′),128.4 (C-6),128.5 (C-6′),116.5 (C-1′),147.4 (C-4′),150.2 (C-4),117.4 (C-5),124.4 (C-2,2′),148.3 (C-3,3′),115.3 (C-1′),116.3 (C-5′),168.3 (C-9),169.3 (C-9′′),54.1 (-OCH3)。以上数据与文献报道基本一致[3],故鉴定化合物16为macrathoin F。
化合物17:黄色粉末。1H-NMR (600 MHz,CD3OD) δ: 2.16 (1H,dd,J = 14.6,9.0 Hz,H-6a),2.63 (2H,m,H-2b,6b),2.64 (1H,dd,J = 14.6,4.0 Hz,H-2a),3.76 (1H,dd,J = 8.6,4.0 Hz,H-4),4.49 (1H,ddd,J = 4.5,4.0,3.4 Hz,H-3),5.48 (1H,ddd,J = 9.0,8.0,4.0 Hz,H-5),6.34 (1H,d,J = 16.0 Hz,H-8′),6.50 (1H,d,J = 16.0 Hz,H-8″),6.85 (2H,d,J = 7.2 Hz,H-5′,5″),7.06 (2H,d,J = 7.2 Hz,H-6′,6″),7.14 (2H,s,H-2′),7.15 (1H,s,H-2″),7.65 (2H,d,J = 16.0 Hz,H-7′,7″);13C-NMR (150 MHz,CD3OD) δ: 82.0 (C-1),36.6 (C-2),70.3 (C-3),74.1 (C-4),72.7 (C-5),37.6 (C-6),175.7 (C-7),128.9 (C-1′),116.2 (C-2′),147.8 (C-3′),150.2 (C-4′),117.7 (C-5′),124.3 (C-6′),148.2 (C-7′),116.0 (C-8′),168.6 (C-9′),128.9 (C-1″),1116.2 (C-2″),147.5 (C-3″),150.5 (C-4″),117.4 (C-5″),124.9 (C-6″),148.9 (C-7″),116.4 (C-8″),169.0 (C-9″)。以上数据与文献报道基本一致[16],故鉴定化合物17为1,5-二-O-咖啡酰奎尼酸。
化合物18:白色粉末(甲醇),mp 112~114 ℃;1H-NMR (600 MHz,CD3OD) δ: 6.55 (1H,d,J = 2.0 Hz,H-2),6.95 (1.0H,d,J = 8.0 Hz,H-5),6.60 (1H,dd,J = 2.0,8.0 Hz,H-6),2.90 (2H,m,H-7),2.68 (1H,m,H-8),6.71 (1H,s,H-2′),6.80 (1H,d,J = 8.0 Hz,H-5′),6.67 (1H,d,J = 8.0 Hz,H-6′),2.70 (1H,dd,J = 14.6,7.4 Hz,H-7′β),2.53 (1H,dd,J = 14.6,7.4 Hz,H-7′α),2.64 (1H,m,H-8′),4.15 (2H,m,H-9′);13C-NMR (150 MHz,CD3OD) δ: 133.5 (C-1),113.5 (C-2),150.1 (C-3),148.2 (C-4),112.5 (C-5),121.3 (C-6),39.0 (C-7),42.0 (C-8),179.6 (C-9),131.0 (C-1′),113.6 (C-2′),150.7 (C-3′),146.0 (C-4′),117.6 (C-5′),124.0 (C-6′),35.2 (C-7′),47.3 (C-8′),180.3 (C-9′),57.0,57.3,57.1 (3×OCH3),102.2 (Glc-C-1),74.1 (Glc-C-2),77.1 (Glc-C-3),70.2 (Glc-C-4),76.0 (Glc-C-5),62.0 (Glc-C-6)。以上数据与文献报道基本一致[17],故鉴定化合物18为牛蒡苷。
化合物19:无色油状物,1H-NMR (600 MHz,CDCl3) δ: 1.69 (1H,d,J = 9.6 Hz,H-3),2.34 (1H,m,H-4),4.46 (1H,brs,H-8),1.63 (1H,m,H-9),2.13 (1H,m,H-10),5.12 (1H,m,H-11),2.02 (1H,m,H-13),2.10 (1H,m,H-14),5.16 (1H,m,H-15),2.02 (1H,m,H-17),2.10 (1H,m,H-18),5.12 (1H,m,H-19),1.63 (1H,brs,H-21),1.69 (1H,s,H-22),1.61 (1H,s,H-23),1.61 (1H,s,H-24),1.28 (1H,s,H-25),2.23 (1H,s,H-26),2.19 (1H,s,H-28);13C-NMR (150 MHz,CDCl3) δ: 75.2 (C-2),31.3 (C-3),20.8 (C-4),117.5 (C-4a),115.5 (C-5),122.2 (C-6),144.9 (C-7),127.1 (C-8),146.1 (C-8a),40.0 (C-9),22.4 (C-10),124.4 (C-11),135.4 (C-12),39.9 (C-13),26.9 (C-14),124.6 (C-15),136.6 (C-16),40.1 (C-17),27.1 (C-18),124.6 (C-19),131.4 (C-20),17.9 (C-21),25.9 (C-22),16.1 (C-23),16.3 (C-24),23.8 (C-25),12.4 (C-26),12.2 (C-28)。以上数据与文献报道基本一致[18],故鉴定化合物19为parvifoliols G。
化合物20:棕色油状物,ESI-MS m/z: 161 [M+H]+,确定相对分子质量为127。1H-NMR (600 MHz,CDCl3) δ: 9.55 (1H,s,CHO),7.23 (1H,d,J = 3.3 Hz,H-3),6.52 (1H,d,J = 3.3 Hz,H-4),4.70 (2H,s,H-6);13C-NMR (150 MHz,CDCl3) δ: 177.8 (C-1),152.2 (C-2),123.2 (C-3),109.9 (C-4),160.9 (C-5),57.3 (C-6)。以上数据与文献报道一致[19],故鉴定化合物20为5-羟甲基糠醛。
化合物21:白色粉末(甲醇),TLC上10%硫酸-乙醇溶液显紫红色,Liebermann-Burchard反应呈阳性,与胡萝卜苷对照品共薄层Rf值一致,混合熔点不下降,故鉴定化合物21为胡萝卜苷。
化合物22:淡黄色针状结晶(丙酮),三氯化铁-铁氰化钾反应阳性,表明存在酚羟基。1H-NMR (600 MHz,DMSO-d6) δ: 7.53 (1H,d,J = 8.7 Hz,H-6),7.48 (1H,brs,H-2),6.73 (1H,d,J = 8.7 Hz,H-5),3.87 (3H,s,3-OCH3)。13C-NMR (150 MHz,DMSO-d6) δ: 167.9 (COOH),151.8 (C-4),148.1 (C-3),124.1 (C-6),122.3 (C-1),115.8 (C-2),113.4 (C-5),55.8 (OCH3)。以上数据与文献报道一致[20],故鉴定化合物22为香草酸。
化合物23:无色块状晶体(水),与蔗糖对照品共薄层Rf值一致,混合熔点不下降,故鉴定化合物23为蔗糖。
化合物24:黄色粉末(甲醇),mp 314~316 ℃;盐酸镁粉反应呈阳性,Molish反应呈阳性,ESI-MS m/z: 633 [M+Na]+;分子式为C27H30O16。与芦丁对照品共薄层,Rf值及显色行为一致,混合熔点不下降,故鉴定化合物24为芦丁。
化合物25:无色油状物,分子式为C42H46O13,1H-NMR (600 MHz,CD3OD) δ: 6.54 (1H,d,J = 2.4 Hz,H-2),6.80 (1H,d,J = 8.4 Hz,H-5),6.68 (1H,dd,J = 8.4,2.4 Hz,H-6),2.65 (1H,dd,J = 13.5,5.4 Hz,H-7β),2.51 (1H,dd,J = 13.5,7.8 Hz,H-7α),4.27 (1H,dd,J = 9.6,4.2 Hz,H-9β),4.01 (1H,dd,J = 19.6,7.8 Hz,H-9α),6.88 (1H,d,J = 2.4 Hz,H-2′),6.74 (1H,d,J = 8.4 Hz,H-5′),6.68 (1H,dd,J = 8.4,2.4 Hz,H-6′),3.24 (1H,dd,J = 14.0,5.4 Hz,H-7′β),2.95 (1H,dd,J = 14.0,6.8 Hz,H-7′α),2.74 (1H,m,H-8′),6.42 (1H,d,J = 2.4 Hz,H-2″),6.95 (1H,d,J = 8.4 Hz,H-5″),6.65 (1H,dd,J = 8.4,2.4 Hz,H-6″),2.74 (1H,m,H-7″β),2.75 (1H,m,H-7″α),2.56 (1H,m,H-8″),4.23 (1H,dd,J = 9.6,4.2 Hz,H-9″β),3.99 (1H,dd,J = 19.6,7.8 Hz,H-9″α),6.45 (1H,s,H-2′′′),6.46 (1H,s,H-6′′′),3.37 (1H,m,H-7′′′β),3.36 (1H,m,H-7′′′α),2.62 (1H,m,H-8′′′);13C-NMR (150 MHz,CD3OD) δ: 131.7 (C-1),112.8 (C-2),149.5 (C-3),148.9 (C-4),112.7 (C-5),120.6 (C-6),39.9 (C-7),43.7 (C-8),72.8 (C-9),130.5 (C-1′),113.8 (C-2′),145.8 (C-3′),145.3 (C-4′),113.8 (C-5′),121.9 (C-6′),35.4 (C-7′),45.6 (C-8′),178.1 (C-9′),131.5 (C-1″),113.6 (C-2″),147.9 (C-3″),145.4 (C-4″),114.6 (C-5″),121.8 (C-6″),38.6 (C-7″),42.5 (C-8″),76.9 (C-9″),135.5 (C-1′′′),109.8 (C-2′′′),151.7 (C-3′′′),137.5 (C-4′′′),150.8 (C-5′′′),109.8 (C-6′′′ ),35.5 (C-7′′′),48.6 (C-8′′′),179.9 (C-9′′′),56.4 (-OCH3),56.7 (-OCH3),56.1 (-OCH3)。以上数据与文献报道基本一致[21],故鉴定化合物25为neoarctinA。
化合物26:白色粉末,TLC紫外(365 nm)下显蓝色荧光,喷AlCl3/EtOH液,荧光增强,硫酸香草醛显浅紫红色,ESI-MS m/z: 369.0 [M+H]+。1HNMR (600 MHz,DMSO-d6) δ: 6.12 (1H,d,J = 15.9 Hz,H-8′),7.44 (1H,d,J = 15.9 Hz,H-7′),6.78 (1H,d,J = 8.4 Hz,H-5′),6.99 (1H,dd,J = 8.4,2.1 Hz,H-6′),7.05 (1H,d,J = 2.1 Hz,H-2′),9.42 (2H,2-OH);13C-NMR (150 MHz,DMSO-d6) δ: 76.2 (C-1),35.4 (C-2),71.2 (C-3),70.6 (C-4),70.2 (C-5),38.9 (C-6),174.8 (C-7),52.1 (C-8),166.7 (C-1′),114.9 (C-2′),145.1 (C-3′),126.2 (C-4′),115.4 (C-5′),146.2 (C-6′),148.7 (C-7′),116.5 (C-8′),121.8 (C-9′)。以上数据与文献报道基本一致[22],故鉴定化合物26为绿原酸甲酯。
化合物27:淡黄色粉末,ESI-MS m/z: 353 [M+H]-。1H-NMR (600 MHz,DMSO-d6) δ: 2.01 (2H,m,H-2),3.95 (1H,brs,H-3),3.57 (1H,m,H-4),5.12 (1H,d,J = 6.0 Hz,H-5),1.80 (2H,m,H-6),7.06 (1H,d,J = 1.8 Hz,H-2′),6.79 (1H,d,J = 8.4 Hz,H-5′),7.01 (1H,dd,J = 1.8,8.2 Hz,H-6′),7.45 (1H,d,J = 16.0 Hz,H-7′),6.18 (1H,d,J = 16.0 Hz,H-8′);13C-NMR (150 MHz,DMSO-d6) δ: 71.2 (C-1,3),37.5 (C-2),68.9 (C-4,5),37.3 (C-6),175.5 (C-7),126.3 (C-1′),114.9 (C-2′),145.1 (C-3′),148.5 (C-4′),115.8 (C-5′),121.5 (C-6′),145.8 (C-7′),114.5 (C-8′),166.2 (C-9′)。以上数据与文献报道一致[23],故鉴定化合物27为5-O-咖啡酰基奎宁酸。
化合物28:无色针晶(甲醇)。1H-NMR (600 MHz,DMSO-d6) δ: 7.86 (1H,d,J = 8.0 Hz,H-6),5.62 (1H,d,J = 8.0 Hz,H-5),11.28 (1H,s,-NH),5.76 (1H,d,J = 5.2 Hz,H-1′),3.99 (1H,m,H-2′),3.95 (1H,m,H-3′),3.82 (1H,m,H-4′),3.53 (1H,m,H-5′a),3.59 (1H,m,H-5′b),5.35 (1H,m,2′-OH),5.07 (1H,m,3′,5′-OH);13C-NMR (150 MHz,DMSO-d6) δ: 152.1 (C-2),166.6 (C-4),102.7 (C-5),142.2 (C-6),89.8 (C-1′),73.0 (C-2′),84.6 (C-3′),69.8 (C-4′),61.2 (C-5′)。以上数据与文献报道一致[24],故鉴定化合物28为尿嘧啶核苷。
化合物29:白色粉末(甲醇),mp 210~212 ℃。1H-NMR (600 MHz,DMSO-d6) δ: 8.47 (1H,s,H-8),8.21 (1H,s,H-2),5.98 (1H,d,J = 5.4 Hz,H-1′),4.61 (1H,t,J = 4.8 Hz,H-2′),4.25 (1H,brs,H-3′),4.01 (1H,brs,H-4),3.77 (1H,dd,J = 12.0,2.7 Hz,H-5′a),3.65 (1H,dd,J = 12.0,2.7 Hz,H-5′b);13C-NMR (100 MHz,DMSO-d6) δ: 157.8 (C-6),149.7 (C-4),147.4 (C-2),139.9 (C-8),125.5 (C-5),88.7 (C-1′),86.9 (C-4′),75.3 (C-2′),71.5 (C-3′),62.3 (C-5′)。以上数据与文献报道一致[25],故鉴定化合物29为次黄嘌呤核苷。
化合物30:白色针晶,mp 226~229 ℃。1H-NMR (600 MHz,CDCl3) δ: 7.91 (1H,d,J = 9.6 Hz,H-4),7.51 (1H,d,J = 8.4 Hz,H-5),6.77 (1H,dd,J = 8.4,1.8 Hz,H-6),6.70 (1H,d,J = 1.8 Hz,H-8),6.19 (1H,d,J = 9.6 Hz,H-3);13C-NMR (150 MHz,CDCl3) δ: 160.5 (C-2),113.2 (C-3),144.6 (C-4),129.7 (C-5),111.4 (C-6),161.4 (C-7),102.2 (C-8),155.5 (C-9),111.3 (C-10)。以上数据与文献报道基本一致[1],故鉴定化合物30为7-羟基香豆素。
化合物31:白色粉末,FeCl3反应阳性。1H-NMR (600 MHz,CD3OD) δ: 2.20~2.60 (4H,m,H-2,6),3.76 (1H,dd,J = 8.4,2.4 Hz,H-4),4.19 (1H,m,H-3),5.43 (1H,ddd,J = 10.4,8.4,4.4 Hz,H-5),6.30 (1H,d,J = 16.0 Hz,H-8′),6.76 (1H,d,J = 8.4 Hz,H-5′),6.99 (1H,dd,J = 8.4,1.2 Hz,H-6′),7.09 (1H,d,J = 1.2 Hz,H-2′),7.57 (1H,d,J = 16.0 Hz,H-7′);13C-NMR (150 MHz,CD3OD) δ: 177.6 (COOH),168.9 (C=O),147.1 (C-β),115.5 (C-α),128.5 (C-1′),117.0 (C-2′),147.2 (C-3′),150.1 (C-4′),115.5 (C-5′),123.4 (C-2′),76.5 (C-1),38.9 (C-2),73.8 (C-3),72.4 (C-4),71.6 (C-5),38.5 (C-6)。以上数据与文献报道一致[22],故鉴定化合物31为绿原酸。
化合物32:淡黄色粉末(甲醇),mp 209~212 ℃,TLC紫外(365 nm)下显蓝色荧光,ESI-MS m/z: 179 [M-H]-。1H-NMR (600 MHz,DMSO-d6) δ: 7.45 (1H,d,J = 16.0 Hz,H-7),6.20 (1H,d,J = 16.0 Hz,H- 8),7.05 (1H,dd,J = 3.0,9.0 Hz,H-2),6.77 (1H,d,J = 9.0 Hz,H-5),6.98 (1H,dd,J = 3.0,9.0 Hz,H-6),9.10 (1H,s,H-9);13C-NMR (150 MHz,DMSO-d6) δ: 168.5 (C-9),116.1 (C-8),144.9 (C-7),121.5 (C-6),115.8 (C-5),148.7 (C-4),146.0 (C-3),115.1 (C-2),126.2 (C-1)。上述数据与文献报道一致[23],故鉴定化合物32为咖啡酸。
[1] | 王月娥, 斯建勇, 李晓瑾, 等. 新疆阿魏种子化学成分的研究 [J]. 中国现代中药, 2011, 13(1): 26-28. |
[2] | 张洪泉, 胡坚. 新疆阿魏抗过敏的药理作用 [J]. 中药通报, 1986, 11(8): 49-52. |
[3] | Wang L Y, Li X, Zhang S D, et al. Natural products as a gold mine for selective matrixmetalloproteinases inhibitors [J]. Bioorg Med Chem, 2012, 20(13): 4164-4171. |
[4] | 邢亚超, 汤迎湛, 潘英, 等. 新疆阿魏树脂的化学成分研究 [J]. 现代药物与临床, 2013, 28(1): 11-13. |
[5] | 李广志, 陈峰, 沈连刚, 等. 石菖蒲根茎化学成分研究 [J]. 中草药, 2013, 44(7): 808-811. |
[6] | 王文良. 耐盐微生物的分离及两株耐盐真菌次级代谢产物的研究 [D]. 青岛: 中国海洋大学, 2008. |
[7] | 邱鹰昆, 窦德强, 徐碧霞, 等. 仙人掌肉质茎的化学成分 [J]. 沈阳药科大学学报, 2006, 23(5): 274-276. |
[8] | 冷光, 王海鸥, 明东升. 连翘中松脂素的分离鉴定和含量测定 [J]. 山西医科大学学报, 2003, 34(3): 227-228. |
[9] | 周大铮, 易杨华, 毛士龙, 等. 香榧假种皮中的木脂素成分 [J]. 药学学报, 2004, 39(4): 269-271. |
[10] | 杨保华, 张卫东, 顾正兵, 等. 长白落叶松树皮化学成分研究 [J]. 中国中药杂志, 2005, 30(4): 270-272. |
[11] | 许文清, 龚小见, 周欣, 等. 马兰化学成分研究 [J]. 中草药, 2010, 41(7): 1056-1060. |
[12] | 张忠立, 左明月, 徐璐, 等. 三白草黄酮类化学成分的研究 [J]. 中草药, 2011, 42(8): 1490-1493. |
[13] | 陈秋竹, 林瑞超, 王钢力, 等. 金银花提取物化学成分研究 [J]. 中药材, 2010, 33(6): 920-922. |
[14] | 靳鑫, 时圣明, 张东方, 等. 穿心莲化学成分的研究[J]. 中草药, 2012, 43(1): 47-50. |
[15] | Ahmeda S, Ibrahima A, SatarArafa A. Anti-H5N1 virus metabolites from the Red Sea soft coral, Sinularia candidula [J]. Tetrahedron Lett, 2013, 54(19): 2377-2381. |
[16] | 李菁, 于德泉. 灯盏花化学成分研究 [J]. 中国中药杂志, 2011, 36(11): 1458-1462. |
[17] | 李卓恒, 余彩平, 管海燕, 等. 牛蒡子化学成分的分离与鉴定 [J]. 中国药房, 2012, 23(39): 3696-3699. |
[18] | Vatcharin R, Wanpen N, Souwalak P, et al. Phloroglucinols, depsidones and xanthones from the twigs of Garcinia parvifolia [J]. Tetrahedron, 2006, 62(36): 8578-8585. |
[19] | 段礼新. 中药复方三子养亲汤及其味药莱菔子物质基础的研究 [D]. 沈阳: 沈阳药科大学, 2007. |
[20] | 陈艳, 张国刚, 毛德双, 等. 半枝莲的化学成分研究 (I) [J]. 中国药物化学, 2008, 18(1): 48-50. |
[21] | Wang H Y, Yang J S. NeoarctinA from Arctiumlappa L. [J]. Chin Chem Lett, 1995, 6(3): 217-220. |
[22] | 柴兴云, 窦静, 贺清, 等. 山银花中酚酸类成分研究 [J]. 中国天然药物, 2004, 2(6): 339-340. |
[23] | 靳鑫, 时圣明, 张东方, 等. 穿心莲化学成分的研究(II) [J]. 中草药, 2014, 45(2): 164-169. |
[24] | 贾陆, 李焕芬, 敬林林. 黄秋葵正丁醇部位化学成分的研究 [J]. 中草药, 2010, 41(11): 1771-1773. |
[25] | 洪奎, 谢雪, 王雪晶, 等. 红花中含氮类化学成分研究 [J]. 中草药, 2014, 45(21): 3071-3073. |