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三楞草化学成分研究

2016-03-07李逢逢王福生

大理大学学报 2016年4期
关键词:化学成分

付 晨,李逢逢,王福生

(大理大学药学与化学学院,云南大理 671000)



三楞草化学成分研究

付晨,李逢逢,王福生*

(大理大学药学与化学学院,云南大理671000)

[摘要]目的:对药用植物三楞草化学成分进行研究,以期寻找活性成分。方法:运用硅胶,ODS柱分离三楞草地上部分提取物,利用NMR技术和质谱鉴定化合物结构。结果:从三楞草提取物中分离得到20个化合物,分别是豆甾醇(1)、β-谷甾醇(2)、7α-羟基谷甾醇(3)、齐墩果酸(4)、乌索酸(5)、胡萝卜苷(6)、胡萝卜苷亚油酸酯(7)、β-谷甾醇棕榈酸酯(8)、异荭草苷(9)、芒柄花素(10)、4′,6-二甲氧基-7-羟基异黄酮(11)、油酸(12)、十六烷(13)、棕榈酸(14)、二十七烷醇(15)、二十二烷酸(16)、亚油酸(17)、α-亚麻酸(18)、D-2-O-甲基肌醇(19)和D-松醇(20)。结论:化合物1~20均首次从该种植物中分离得到。

[关键词]杭子梢属;三楞草;化学成分

[DOI]10. 3969 / j. issn. 2096-2266. 2016. 04. 003

白族药三楞草为豆科杭子梢属植物三棱杭子梢(Campylotropis trigonoclada(Franch.)A.K. Schindl.)的全株。别名大发表、骨破草、见水消、黄花马尿藤、三股筋等〔1〕。常用于外感发热、水肿、癃闭、淋症、赤痢、肠风下血、关节疼痛及跌打损伤〔2〕。白族民间用于治疗泌尿系统疾病如肾炎、前列腺炎和结石等疗效显著〔3〕。目前未见文献报道其化学成分的研究。本文对全草提取物进行了系统的化学研究。

1 仪器与材料

1.1植物材料三楞草地上部分采于苍山西坡地区,经大理大学段宝忠副教授鉴定为豆科杭子梢属三楞草(C. trigonoclada),标本(WFS-201210)保存于大理大学药学与化学学院标本室。

1.2仪器与试剂NMR用Bruker AM-400型核磁共振仪测定;质谱用Finnigan LCQ-Deca和Waters/ Micromass Q-Tof-Ultima型质谱仪测定;熔点用X-4数字显示显微熔点测定仪测定;薄层色谱硅胶和柱色谱硅胶均为青岛海洋化工厂产品,日本YMC公司生产的ODS反相硅胶(50 μm);分离所用试剂均为化学纯,由大理慧云化学试剂公司提供。

2 方法与结果

2.1提取与分离取三楞草地上部分2.5 kg,粉碎后用50%乙醇冷浸提取,减压浓缩得浸膏,依次用石油醚、乙酸乙酯、正丁醇萃取,回收溶剂得石油醚部分12 g,乙酸乙酯部分33.7 g,正丁醇部分22.6 g,其中石油醚部分经硅胶柱层析,用石油醚-乙酸乙酯(1:0~3:7)梯度洗脱,得到3个组分,Fr.1(4.0 g)经反复硅胶柱层析分离得2(150 mg);Fr.2(3.5 g)经反复硅胶柱层析分离得12(98 mg),13(32 mg);Fr.3(3.0 g)经反复硅胶柱层析分离得到15(22 mg)。氯仿部分经硅胶柱层析,用氯仿-甲醇(9:1~5:5)梯度洗脱,得到5个组分A~E。Fr.A(5.0 g)反复经硅胶柱层析(氯仿-甲醇)洗脱得化合物1(23 mg),3(37 mg);Fr.B(4.1 g)得化合物4(12 mg),5(18 mg);Fr.C(3.6 g)得化合物8(30 mg),14(24 mg),16(22 mg);Fr.D(4.4 g)得化合物17 (41 mg),18(25 mg);Fr.E(5.1 g)得化合物9(11 mg),10(25 mg),11(29 mg)。正丁醇部分经硅胶柱层析,用氯仿-甲醇(4:6~0:1)梯度洗脱,得到5个组分a~e,其中Fr.a(3.2 g)经硅胶柱层析和ODS柱反复纯化得化合物6(11 mg),7(14 mg);Fr.b(5.1 g)经硅胶柱层析和ODS柱反复洗脱得化合物19(1.1 g),20(102 mg)。

2.2结构鉴定化合物(1):无色针晶(石油醚-乙酸乙酯),mp:170~172℃。1H NMR(400 MHz,CDCl3)δ:3.52(1H,m,H-3α),5.35(1H,brs,H-6),5.02(1H,dd,J=15.3,8.5 Hz,H-22),5.15(1H,dd,J=15.3,8.5 Hz,H-23),0.70(3H,s,Me-18),1.01(3H,s,Me-19),0.93(3H,d,J=6.5 Hz,Me-21),0.84,0.83,0.80 (3×3H,overlap,Me-26,27,29);13C NMR(100 MHz,CDCl3)δ:37.3(C-1),31.6(C-2),71.8(C-3),42.3 (C-4),140.8(C-5),121.7(C-6),31.6(C-7),31.9 (C-8),50.2(C-9),36.5(C-10),21.1(C-11),39.8 (C-12),42.2(C-13),56.2(C-14),24.3(C-15),28.9 (C-16),56.9(C-17),12.0(C-18),19.4(C-19),40.5(C-20),21.2(C-21),138.4(C-22),129.3(C-23),51.3(C-24),31.9(C-25),21.1(C-26),19.0(C-27),25.4(C-28),12.3(C-29)。以上数据与文献〔4〕一致,鉴定该化合物为豆甾醇。

化合物(2):无色片晶(石油醚-乙酸乙酯),mp:130~145℃。1H NMR(400 MHz,CDCl3)δ:3.52(1H,m,H-3),5.34(1H,brs,H-6),0.68(3H,s,Me-18),1.01 (3H,s,Me-19),0.93(3H,d,J=6.5 Hz,Me-21),0.84,0.82,0.79(3×3H,overlap,Me-26,27,29);13C NMR (100 MHz,CDCl3)δ:37.3(C-1),31.6(C-2),71.8(C-3),42.3(C-4),140.8(C-5),121.7(C-6),31.6(C-7),31.9(C-8),50.1(C-9),36.5(C-10),21.1(C-11),39.7(C-12),42.3(C-13),56.0(C-14),24.3(C-15),28.3(C-16),56.8(C-17),11.9(C-18),19.4(C-19),36.1(C-20),18.9(C-21),33.9(C-22),26.1(C-23),45.8(C-24),29.1(C-25),19.8(C-26),19.1(C-27),23.1(C-28),12.1(C-29)。以上数据与文献〔5〕一致,鉴定该化合物为β-谷甾醇。

化合物(3):白色无定形粉末。1HNMR(400 MHz,CD3OD)δ:3.42(1H,m,H-3),5.24(1H,dd,J=2.5 Hz,H-6),3.74(1H,brs,H-7),0.72(3H,s,Me-18),1.07 (3H,s,Me-19),0.95(3H,d,J=6.3 Hz,Me-21),0.85 (3H,d,J=7.0 Hz,Me-26),0.83(3H,d,J=7.0 Hz,Me-27),0.86(3H,t,J=9.0 Hz,Me-29);13C NMR (100 MHz,CD3OD)δ:38.2(C-1),32.5(C-2),72.1 (C-3),42.5(C-4),144.0(C-5),127.4(C-6),73.7 (C-7),41.2(C-8),50.0(C-9),37.5(C-10),22.2 (C-11),41.1(C-12),44.0(C-13),56.8(C-14),27.1 (C-15),29.5(C-16),57.7(C-17),12.3(C-18),19.4 (C-19),37.4(C-20),19.4(C-21),35.1(C-22),27.3 (C-23),47.2(C-24),30.3(C-25),20.2(C-26),20.2 (C-27),24.1(C-28),12.3(C-29)。以上数据与文献〔6〕一致,鉴定该化合物为7α-羟基谷甾醇。

化合物(4):白色粉末(乙醇)。mp:297~300℃。1H NMR(400 MHz,CDCl3)δ:3.24(1H,dd,J=11.0,4.4 Hz,H-3),5.30(1H,t,J=3.6 Hz,H-12),1.16,1.00,0.95,0.94,0.80,0.77,0.75(7×3H,s,7×Me);13C NMR (100 MHz,CDCl3)δ:38.4(C-1),27.1(C-2),79.0(C-3),39.2(C-4),55.2(C-5),18.3(C-6),32.6(C-7),39.2 (C-8),47.6(C-9),38.4(C-10),22.9(C-11),122.6 (C-12),143.5(C-13),41.0(C-14),27.6(C-15),23.5(C-16),47.6(C-17),41.0(C-18),45.8(C-19),30.5(C-20),33.8(C-21),32.6(C-22),28.0(C-23),15.5(C-24),15.3(C-25),17.3(C-26),25.9(C-27),182.9(C-28),33.0(C-29),23.4(C-30)。以上数据与文献〔7〕一致,鉴定该化合物为齐墩果酸。

化合物(5):白色粉末(氯仿-甲醇)。mp:285~287℃。1H NMR(400 MHz,DMSO)δ:3.46(1H,m,H-3),5.49(1H,dd,J=3.5,3.5 Hz,H-12),2.63(1H,d,J=11.2 Hz,H-18),1.24,1.22,1.05,1.02,0.88(5×3H,s,5×Me),1.00(3H,d,J=6.4 Hz,Me-29),0.95(3H,d,J=5.6 Hz,Me-30);13C NMR(100 MHz,DMSO)δ:31.2(C-1),28.2(C-2),78.3(C-3),39.2(C-4),55.9 (C-5),18.9(C-6),33.7(C-7),40.1(C-8),48.2(C-9),37.4(C-10),23.7(C-11),125.7(C-12),139.3(C-13),42.6(C-14),28.8(C-15),25.0(C-16),48.2(C-17),53.7(C-18),39.6(C-19),39.4(C-20),30.0(C-21),37.5(C-22),28.9(C-23),15.7(C-24),16.6(C-25),17.5(C-26),24.0(C-27),179.8(C-28),21.4(C-29),17.5(C-30)。以上数据与文献〔8〕相符,鉴定该化合物为乌索酸。

化合物(6):白色粉末(甲醇)。mp:286~287℃。1H NMR(400 MHz,DMSO)δ:2.73(1H,m,H-3),5.35 (1H,brs,H-6),0.67(3H,s,Me-18),0.93(3H,s,Me-19),0.99(3H,d,J=6.4 Hz,Me-21),0.90(3H,d,J= 8.0 Hz,Me-26),0.87(3H,d,J=7.2 Hz,Me-27),0.91 (3H,t,J=8.0 Hz,Me-29),5.10(1H,d,J=7.7 Hz,Glc-1′)。在TLC(薄层层析法)上多种溶剂系统展开时与胡萝卜苷标准品Rf值一致,NMR数据与文献〔9〕相符,鉴定该化合物为胡萝卜苷。

化合物(7):白色无定型粉末。ESI-MS m/z:873 [M-H]-。经碱性水解,得到类白色固体,与胡萝卜苷对照,它们的Rf值相同;水层经酸中和CHCl3萃取,与亚油酸对照,Rf值相同。1H NMR(400 MHz,CDCl3)δ:0.68(3H,s,Me-18),1.01(3H,s,Me-19),0.92(3H,s,Me-21),0.83(3H,s,Me-26),0.81(3H,s,Me-27),0.84(3H,m,Me-29),1.31(14H,m,7×CH2),4.38(1H,d,J=7.3 Hz,H-1′),3.34~3.56(4H,m,H-2′~5′),4.28(1H,d,J=11.8,4.1 Hz,H-6a′),4.44(1H,dd,J=11.8,4.1 Hz,H-6b′),2.36(2H,t,J=7.5 Hz,H-2′′),2.75(2H,dd,J=12.5,6.4 Hz,H-11′′),5.34(5H,m,H-6,9′′,10′′,12′′,13′′);13C NMR(100 MHz,CDCl3)δ:37.2(C-1),29.4(C-2),79.6(C-3),38.9 (C-4),140.3(C-5),122.2(C-6),31.8(C-7),31.9 (C-8),50.2(C-9),36.7(C-10),21.1(C-11),39.7 (C-12),42.4(C-13),56.8(C-14),24.3(C-15),28.2 (C-16),56.1(C-17),11.9(C-18),19.4(C-19),36.2 (C-20),19.1(C-21),34.0(C-22),26.1(C-23),45.9(C-24),29.2(C-25),19.0(C-26),20.0(C-27),23.1 (C-28),12.0(C-29),101.2(C-1′),73.6(C-2′),76.0 (C-3′),70.1(C-4′),73.9(C-5′),63.2(C-6′),174.5 (C-1′′),34.2(C-2′′),24.9(C-3′′),29.2(C-4′′),29.2 (C-5′′),32.1(C-6′′),29.7(C-7′′),27.2(C-8′′),127.9 (C-9′′),130.2(C-10′′),25.6(C-11′′),130.0(C-12′′),128.1(C-13′′),27.2(C-14′′),29.4(C-15′′),31.6(C-16′′),22.6(C-17′′),14.1(C-18′′)。以上数据与文献〔10〕基本一致,鉴定该化合物为3-O-(6′-O-亚油酰基-β-D-吡喃葡萄糖基)豆甾-5-烯即胡萝卜苷亚油酸酯。

化合物(8):淡黄色油状物。ESI-MS m/z:677 [M+H]+。1H NMR(400 MHz,CDCl3)δ:4.61(m,H-3),0.89(3H,t,J=6.3 Hz,Me-16),0.68(3H,s,Me-18),1.02(3H,s,Me-19),0.91(3H,s,Me-21),0.83(3H,s,Me-26),0.81(3H,s,Me-27),0.86(3H,m,Me-29),1.60(10H,m,5×CH2),2.30(2H,t,J=7.5 Hz,H-2′),2.05(2H,m,H-8′,H-11′),5.49(2H,m,H-9′,12′),5.35(2H,m,H-6,H-10′);13C NMR(100 MHz,CDCl3)δ:37.1(C-1),27.9(C-2),73.8(C-3),38.2(C-4),139.8 (C-5),122.7(C-6),31.9(C-7),31.9(C-8),50.1(C-9),36.7(C-10),21.1(C-11),39.8(C-12),42.4(C-13),56.7(C-14),24.4(C-15),28.3(C-16),56.1(C-17),11.9(C-18),19.4(C-19),36.2(C-20),19.1(C-21),34.0(C-22),26.1(C-23),45.9(C-24),29.2(C-25),18.9(C-26),19.9(C-27),23.1(C-28),12.1(C-29),173.4(C-1′),34.8(C-2′),25.1(C-3′),29.3(C-4′),29.3(C-5′),31.9(C-6′),29.7(C-7′),27.3(C-8′),127.9(C-9′),130.3(C-10′),25.7(C-11′),130.1(C-12′),128.1(C-13′),27.4(C-14′),29.6(C-15′),31.6 (C-16′),22.7(C-17′),14.1(C-18′)。以上数据与文献〔11〕一致,鉴定该化合物为β-谷甾醇亚油酸酯。

化合物(9):黄色无定型粉末。1HNMR(400 MHz,CD3OD)δ:6.67(1H,s,H-3),7.25(1H,d,J=8.4 Hz,H-2′),6.87(1H,s,H-5′),7.44(1H,dd,J=2.0,8.4 Hz,H-6′),4.58(1H,d,J=10.0 Hz,H-1′′);13C NMR(100 MHz,CD3OD)δ:165.2(C-2),104.4(C-3),183.3 (C-4),162.5(C-5),110.5(C-6),165.1(C-7),95.1 (C-8),158.0(C-9),105.3(C-10),123.3(C-1′),115.1 (C-2′),148.3(C-3′),152.2(C-4′),117.3(C-5′),120.0(C-6′),76.0(C-1′′),73.4(C-2′′),81.0(C-3′′),72.4(C-4′′),83.4(C-5′′),63.2(C-6′′)。以上数据与文献〔12〕基本一致,鉴定该化合物为异荭草素。

化合物(10):白色粉末(氯仿-甲醇)。1H NMR (400 MHz,D2O)δ:8.15(1H,s,H-2),8.44(1H,d,J=8.7 Hz,H-5),7.22(1H,dd,J=8.7,2.2 Hz,H-6),7.11(1H,d,J=2.2 Hz,H-8),7.77(2H,d,J=8.8 Hz,H-2,6′),7.06(2H,d,J=8.8 Hz,H-3′,5′),3.67(3H,s,-OCH3);13C NMR(100 MHz,D2O)δ:153.3(C-2),125.1(C-3),176.1(C-4),128.7(C-5),116.4(C-6),164.7(C-7),103.4(C-8),159.0(C-9),118.4(C-10),125.8(C-1′),131.3(C-2′,6′),114.7(C-3′,5′),160.4 (C-4′),56.7(-OCH3)。上述波谱数据与文献〔13〕基本一致,故鉴定该化合物为芒柄花素。

化合物(11):白色无定型粉末。1H NMR(400 MHz,D2O)δ:8.21(1H,s,H-2),7.95(1H,s,H-5),7.26(1H,s,H-8),7.85(2H,d,J=8.8 Hz,H-2′,6′),7.11(2H,d,J=8.8 Hz,H-3′,5′),3.76(3H,s,4′-OCH3),3.71 (3H,s,6-OCH3);13C NMR(100 MHz,D2O)δ:153.6 (C-2),126.1(C-3),175.9(C-4),106.1(C-5),148.3 (C-6),155.1(C-7),104.5(C-8),153.1(C-9),117.9 (C-10),124.5(C-1′),131.4(C-2′,6′),114.7(C-3′,5′),160.4(C-4′),56.4(4′-OCH3),55.7(6-OCH3)。上述波谱数据与文献〔14〕基本一致,故鉴定该化合物为4′,6-二甲氧基-7-羟基异黄酮。

化合物(12):白色油状物。EI-MSm/z(rel.int.%):282〔M〕+(1),264(6),239(11),236(8),223(7),167 (12),60(25),55(100);1H NMR(400 MHz,CDCl3)δ:5.34(2H,brs,H-9,10),2.35(2H,t,J=7.4 Hz,H-2),2.00(2H,m,H-8),1.62(2H,brt,J=6.5 Hz,H-3),1.30~1.25(20H,brs,10×-CH2),0.88(3H,t,J=6.5 Hz,Me-18)。上述波谱数据与文献〔15〕基本一致,故鉴定该化合物为油酸。

化合物(13):白色固体(氯仿)。mp:18~19℃。EI-MS:m/z(rel.int.%):226〔M〕+(2),99(10),85(38),71(60),57(100),43(72),29(15);根据质谱分析出分子式为C16H34。1H NMR(400 MHz,CDCl3)δ:1.25~1.65为长链-CH2-的堆积峰,0.87处6个H为甲基峰,与-CH2-相连,分裂为三重峰;13C NMR(100 MHz,CDCl3)δ:22~32[22.6(C-2,C-15),31.8(C-3,C-14),29.3(C-4,C-13),29.6(C-5~C-12)]为脂肪链上的碳的信号,14.0为甲基碳的信号。故鉴定该化合物为十六烷。

化合物(14):无色片晶(甲醇)。mp:63.1~64℃。EI-MS:m/z(rel.int.%):256〔M〕+(55),213(18),199(5),185(7),171(8),157(8),129(28),97(18),83(30),73 (91),69(52),60(92),55(100);1H NMR(400 MHz,CDCl3)δ:2.34(2H,t,J=7.5 Hz,H2-2),1.62(2H,brt,J=7.3 Hz,H2-3),1.30~1.25(24H,brs,12×-CH2),0.88 (3H,t,J=6.5 Hz,Me-16);13C NMR(100 MHz,CDCl3)δ:180.4(C-1),34.1(C-2),24.9(C-3),29.7~29.0 (10×-CH2),31.9(C-14),22.7(C-15),14.1(C-16)。上述波谱数据与文献〔16〕基本一致,故鉴定该化合物为棕榈酸。

化合物(15):白色固体。mp:62-64℃。EI-MS m/z(rel.int.%):410〔M〕+(6),392(3),364(3),57 (100);1H NMR(400 MHz,CDCl3)δ:3.64(2H,t,J= 6.6 Hz,H-2),1.25~1.57(48H,m,24×CH2),0.88(3H,t,J=6.6 Hz,Me-27);13C NMR(100 MHz,CDCl3)δ:63.1(C-1),32.8(C-2),25.8(C-3),29.7~29.1(21 ×-CH2),31.9(C-6),22.7(C-26),14.1(C-27)。以上数据与文献〔17〕一致,鉴定该化合物为二十七烷醇(Octacosanol)。

化合物(16):白色粉末。mp:76~78℃。EI-MS m/z(rel.int.%):340(3),129(15),73(46),57(72),43 (100),29(53);1H NMR(400 MHz,CDCl3)δ:2.36 (2H,t,J=7.2 Hz,H-2),1.65(2H,q,J=7.2 Hz,H-3),1.27(2H×18,brs,H-4~21),0.89(3H,t,J=7.2 Hz,Me-22)。以上数据与文献〔18〕一致,鉴定该化合物为二十二烷酸(Docosanoicacid)。

化合物(17):浅黄色油状物。EI-MS m/z(rel. int.%):280〔M〕+(12),60(85),55(100);1H NMR (400 MHz,CDCl3)δ:2.35(2H,t,J=7.5 Hz,H-2),1.63 (2H,brt,J=6.7 Hz,H-3),2.06(4H,brt,J=7.4 Hz,H-8,14),5.36(4H,m,H-9,10,12and13),2.81(2H,m,H-11),1.32~1.26(14H,brs,7×-CH2),0.88(3H,t,J=6.7 Hz,Me-18);13C NMR(100 MHz,CDCl3)δ:180.2(C-1),34.1(C-2),24.7(C-3),29.4~29.0(5×-CH2),27.2(C-8,C-14),130.2(C-9),128.1(C-10),25.6(C-11),127.9(C-12),130.0(C-13),31.5(C-16),22.6(C-17),14.1(C-18)。与亚油酸对照品做薄层色谱,Rf值相同,以上数据与文献〔19〕一致,故鉴定该化合物为亚油酸。

化合物(18):无色油状液体。EI-MS:m/z(rel. int.%):278〔M〕+(12),256(34),60(85),55(100);1H NMR (400 MHz,CDCl3)δ:2.35(2H,t,J=7.5 Hz,H-2),1.63 (2H,brt,J=6.5 Hz,H-3),2.06(4H,m,H-8,17),5.35 (6H,m,H-9,10,12,13,15and16),2.79(4H,m,H-11,14),0.98(3H,t,J=7.5 Hz,Me-18),1.32~1.26(8H,brs,4×-CH2);13CNMR(100 MHz,CDCl3)δ:180.2(C-1),34.1(C-2),24.6(C-3),29.7~29.0(C-4~7),27.2(C-8),131.9(C-9),127.8(C-10),25.6(C-11,14),130.5(C-12),128.3(C-13),127.1(C-15),128.3(C-16),20.6(C-17),14.3(C-18)。以上数据与文献〔20〕一致,鉴定该化合物为α-亚麻酸。

化合物(19):无色簇晶(甲醇)。1H NMR(400 MHz,CD3OD)δ:3.32~3.36(4H,m,H-1,3,4,6),4.74~4.80 (4H,overlap,2,3,4,5-OH),4.63(1H,brt,J=9.2 Hz,6-OH),4.14(1H,brt,J=9.3 Hz,1-OH),3.93(3H,brs,2-OMe);13C NMR(100 MHz,CD3OD)δ:74.2(C-1),86.2(C-2),73.5(C-3),75.1(C-4),72.7(C-5),74.6 (C-6),61.2(2-OCH3)。以上数据与文献〔21〕基本一致,鉴定该化合物为D-2-O-甲基肌醇。

化合物(20):白色无定形粉末,1H NMR(400 MHz, D2O)中,仅在δ 3.27~4.17给出多元醇的质子信号。13C NMR(100 MHz,D2O)给出7组碳信号δ:82.8,75.4,74.5,74.0,73.0,69.7,59.5。由此推测其为多元醇类化合物,另外在δ3.99(3H,s)出现一个甲氧基质子信号。数据与文献〔22〕基本一致,鉴定该化合物为D-松醇。

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(责任编辑李杨)

Study on Chemical Constituents of Campylotropis trigonoclada

Fu Chen,Li Fengfeng,Wang Fusheng*
(Collage of Pharmacy and Chemistry,Dali University,Dali,Yunnan 671000,China)

〔Abstract〕Objective: To study the chemical constituents of Campylotropis trigonoclada,aiming at searching for bioactive ingredients. Methods: The extract part of C. trigonoclada was separated by a combination of various chromatographied including silica gel and ODS column chromatography methods,and the isolates were identified based on spectroscopic analyses(MS,1H NMR and13C NMR). Results: Twenty compounds were isolated from C. trigonoclada and characterized as Stigmasterol(1),β-Sitosterol (2),7α-Hydroxysitosterol(3),Oleanolic acid(4),Ursolic acid(5),Daucosterine(6),Daucosterol lionleate(7),β-Sitosterol palmitate(8),Isoorientin(9),Onocerin(10),7-Hydroxy-4′,6-dimethoxyisoflavone(11),Oleic acid(12),Hexadecane(13),Palmitic acid(14),Heptacosanol(15),Docosanoic acid(16),Linoleic acid(17),α-Linolenic acid(18),D-2-O-Quebrachitol (19)and D-Pinitol(20). Conclusion: Compounds 1-20 were isolated from this plant for the first time.

〔Key words〕Campylotropis;Campylotropis trigonoclada;chemical constituents

[中图分类号]R284.2

[文献标志码]A

[文章编号]2096-2266(2016)04-0008-06

[基金项目]大理学院博士启动基金资助项目(KYBS201114)

[收稿日期]2015-11-03[修回日期]2016-01-10

[作者简介]付晨,硕士研究生,主要从事药物化学研究.

*通信作者:王福生,教授,博士.

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