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The pentacyclic triterpene of Ainsliaea yunnanensis

云南兔儿风的五环三萜类化学成分研究



全 文 :书广 西 植 物 Guihaia Feb.2015,35(1):109-114           http://journal.gxzw.gxib.cn 
DOI:10.11931/guihaia.gxzw201404039
吴相雷,熊筱娟,吴志军,等.云南兔儿风的五环三萜类化学成分研究[J].广西植物,2015,35(1):109-114
Wu XL,Xiong XJ,Wu ZJ,et al.The pentacyclic triterpene of Ainsliaea yunnanensis[J].Guihaia,2015,35(1):109-114
云南兔儿风的五环三萜类化学成分研究
吴相雷1,2,熊筱娟1,吴志军2,沈云亨3,黄 皓1*
(1.宜春学院 化学与生物工程学院,江西 宜春336000;2.中国人民解放军第二军医大学 长征医院,
上海200003;3.中国人民解放军第二军医大学 药学院,上海200433)
摘 要:以采自云南省楚雄自治州楚雄市的云南兔儿风(Ainsliaea yunnanensis)干燥地上部分为研究对象,
应用现代色谱手段(硅胶柱色谱、ODS柱色谱、Sephadex LH-20凝胶柱色谱、制备液相及制备薄层色谱等),从
云南兔儿风植物中分离单体化合物,运用光谱分析技术(MS、1 H-NMR、13 C-NMR、DEPT、COSY、HSQC、
HMBC、ROSEY)鉴定其化学结构,对云南兔儿风的化学成分进行研究,为兔儿风属植物研究及植物开发利用
提供一定的物质基础。结果表明:从云南兔儿风乙醇提取物中共分离得到了11个五环三萜类化合物,分别鉴
定为α-香树脂醇乙酸酯(1)、羽扇豆醇乙酸酯(2)、9,12-二烯乌苏烷乙酸酯(3)、α-香树脂酮(4)、羽扇豆烯酮
(5)、蛇菰素B(6)、降香萜醇乙酸酯(7)、齐墩果烷-11-羰基-12-烯-3-醇棕榈酸酯(8)、12-烯基白桦脂醇(9)、西米
杜鹃醇(10)、二十烷酸羽扇豆醇乙酸酯(11)。其中,化合物1~6,9~11均为首次从该植物中分离得到。通过
对云南兔儿风化学分进行深入研究,明确其主要的活性成分,阐明云南兔儿风药用植物中抗炎活性物质基础,
为相关的新药科研工作及产品开发提供重要的科学依据。
关键词:云南兔儿风;化学成分;五环三萜
中图分类号:Q946.8  文献标识码:A  文章编号:1000-3142(2015)01-0109-06
The pentacyclic triterpene of Ainsliaea yunnanensis
WU Xiang-Lei 1,2,XIONG Xiao-Juan1,WU Zhi-Jun2,
SHEN Yun-Heng3,HUANG Hao1*
(1.College of Chemical and Biological Engineering,Yichun University,Yichun 336000,China;2.Changzheng
Hospital,Second Military Medical University,Shanghai 200003,China;3.College of Pharmacy,
Second Military Medical University,Shanghai 200433,China)
Abstract:Plants of Asteraceae are wel known for containing biologicaly active chemical constituents.Within this
family,the genus Ainsliaeacomprises 70species,48of which are indigenous to China.Many Ainsliaea species are
used in Chinese folk medicine for various indications.A.yunnanensis,Ainsliaeacompositae plant,is born in 1 700-
2 700mabove sea level of forests,forest margins,or mountain grass,mainly distributed in Yunnan,Sichuan and other
places.And it is used in clinic to treat injuries,fractures,rheumatism bones and muscles pain,indigestion,sores and
insect product disease.The latest pharmcological research revealed that A.yunnanensis had wide range of biological
activities,such as antioxidant,antitumor,antinflammatory properties.To explore the material basis of antinflamma-
tory activities and establish the basis for exploitation and utilization for the future,we had conducted a phytochemical
investigation on the EtOH extract of the aerial parts of A.yunnanensis.So far,several sesquiterpenes,triterpenes and
flavonoids,had been isolated from this genus.For example,arbutin,friedelin,friedelan-3β-ol,fernenol fom A.frans
收稿日期:2014-05-16  修回日期:2014-12-19
基金项目:国家“重大新药创制”科技重大专项(2009ZX09502-013);2013年江西省学位与研究生教育教学改革研究项目(JXYJG-2013-112)。
作者简介:吴相雷(1988-),女,河南新蔡县人,硕士研究生,主要从事天然产物化学研究,(E-mail)332954266@qq.com。
*通讯作者:黄皓,教授,硕士生导师,研究方向为药用植物成分与抗肿瘤药物开发,(E-mail)jxychh2008@163.com。
Champ.8-α-hydroxy-11α,13-dihydrozaluzanin C,3-O-β-D-glucozaluzanin C from A.fragrans Champ.Acacin,
luteolin,luteolin-7-O-β-D-glucoside,chrysoeriol-7-O-β-D-glucoside,apigenin-7-O-β-D-glucoside from A.bonatii
Beauverd.3,5-dicaffeoylquinic acid and 4,5-dicaffeoylquinic acid fromAinsliaea fragrans Champ.Ainsliaea A,ain-
sliaea B,zaluzanin C,3-O-(9Z,12Z,15Z-octadecatrienoy1)glycerol,3-0-(9Z,2Z-octadecatrienoy1)glycerol and
glueozaluzanin C fromA.acerifoliaSchBip and A.dissecta Franch Et Sav.Ainsliolide A,ainsliolide B,taraxinc acid,
taraxinic acid-14-O-β-D-glueopyranoside from Ainsliaea acerifolia vat subapoda.Three dimeric sesquiterpene lac-
tones were identified as ainsliadimer A,ainsliadimer B,ainsliadimer C fromA.macrocephal,and one dimeric sesquit-
erpene lactone was identified as gochnatiolide A fromA.henryi,two triple sesquiterpene lactones(ainsliatrimer A,
ainsliatrimer B)fromA.fulvioides.In the dissertation,we investigated the chemical constitients of A.yunnanensis
systematicaly,the plant material was colected in Chuxiong Yi Autonomous Prefecture,Yunnan Province,China and
identified by Prof.Tan Ceming,plant herbarium of Jiangxi Province.Eleven pentacyclic triterpene compounds were i-
solated and identified asα-amyrin acetate(1),lupenyl acetate(2),3β-acetoxy-9(11):12-diene-ursan(3),α-amyrenone
(4),lupenone(5),balanophorin B(6),bauerenyl acetate(7),3β-hydroxy-11-oxo-olean-12-enyl palmitate(8),lupa-12,
20(29)-dien-3β,28-diol(9),simiarenol(10),lup-20(29)-ene-3β-yl eicosanoate(11).These compounds were isolated
fromA.yunnanensis by silica gel,ODS,Sephadex LH-20,preparative HPLC and preparative TLC and were identified
by spectral analysis(MS,1 H-NMR,13C-NMR,DEPT,COSY,HSQC,HMBC,ROSEY).Compounds 1-6,9-11 were
isolated fromA.yunnanensis for the first time.The genus Ainsliaea has been commonly used as crude material of
traditional Chinese medicine for a long time,but the study of the genus was sparse,therefore this study would accu-
mulat data for chemical constituents research of the genus.
Key words:Ainsliaea yunnanensis;chemical constituents;pentacyclic triterpene
  云南兔儿风(Ainsliaea yunnanensis)是菊科兔
儿风属植物,主要分布于云南、四川等地,生于海拔
1 700~2 700m的林下、林缘或山坡草地上(中国植
物志编辑委员会,1996)。民间主要用于跌打损伤,
骨折,风湿筋骨痛,消化不良,疮积,虫积等(江苏新
医学院,1977)。云南兔儿风的粗提物具有较好的抗
氧化,抗肿瘤,抗炎活性(王蓉等,2013)。兔儿风属
植物中含有大量的倍半萜,三萜,黄酮类等化学成分
(田亮,2004)。为进一步阐明兔儿风属植物的化学
成分,本课题组对文献报道较少的云南兔儿风的化
学成分进行研究,从中分离得到11个五环三萜类化
合物,分别鉴定为α-香树脂醇乙酸酯(α-amyrin ace-
tate,1),羽扇豆醇乙酸酯(lupenyl acetate,2),9,12-
二烯乌苏烷乙酸酯(3β-acetoxy-9(11):12-diene-ur-
san,3),α-香树脂酮(α-amyrenone,4),羽扇豆烯酮
(lupenone,5),蛇菰素B(balanophorin B,6),降香
萜醇乙酸酯(bauerenyl acetate,7),齐墩果烷-11-羰
基-12-烯-3-醇棕榈酸酯(3β-hydroxy-11-oxo-olean-
12-enyl palmitate,8),12-烯基白桦脂醇(lupa-12,20
(29)-dien-3β,28-diol,9),西米杜鹃醇(simiarenol,
10),二十烷酸羽扇豆醇乙酸酯(lup-20(29)-ene-3β-
yl eicosanoate,11)。化合物1-6,9-11均为首次从
该植物中分离得到。
1 仪器与材料
1.1仪器
Bruker Avance 600核磁共振仪;Waters Q-Tof
Micro质谱仪;正相硅胶(100~200目,200~300
目)及正相硅胶板,均为烟台江友硅胶开发公司生
产,ODS,C18反相硅胶及反相硅胶板,均为 Merck
公司生产,Sephadex LH-20(40~70μm),Pharma-
cia Biotech公司生产,溶剂为分析纯(国药集团化学
试剂有限公司生产)。
1.2材料
药材采自云南省楚雄自治州楚雄市,由江西省
九江市植物标本馆的谭策铭教授鉴定为兔儿风属植
物云南兔儿风(Ainsliaea yunnanensis)全草。
2 方法与结果
2.1提取和分离
云南兔儿风干燥全草20kg,用80%乙醇加热
回流提取3次,合并提取液,加热回收乙醇,提取液
分别用石油醚、乙酸乙酯和正丁醇各萃取3次,合并
萃取液浓缩得石油醚萃取物(240g)、乙酸乙酯萃取
物(350g)和正丁醇萃取物(450g)。
011 广 西 植 物                  35卷
图1 化合物1~11结构式
Fig.1 Structure of compounds 1-11
  石油醚萃取物(240g)经硅胶柱色谱梯度洗脱
(石油醚∶乙酸乙酯=500∶1~50∶1),合并相同组
分,得到5个流分(Fr.1-5),Fr.1经正相硅胶柱色谱
梯度洗脱(石油醚-乙酸乙酯500∶1~100∶1)得到
化合物1(1.0g)和2(240mg),Fr.2经凝胶柱Seph-
adexLH-20(二氯甲烷-甲醇1∶1)洗脱得到化合物
3(48mg)和Fr.2.1,Fr.2.1进一步用硅胶柱色谱分
离得到化合物4(80mg),Fr.3经凝胶柱Sephadex-
LH-20(二氯甲烷-甲醇1:1)洗脱得到化合物5(70
mg)和Fr.3.1,Fr.3.1经正相硅胶(石油醚-乙酸乙酯
300∶1~50∶1)梯度洗脱得到化合物6(40mg)和
化合物7(100mg),Fr.4经凝胶柱SephadexLH-20
(二氯甲烷-甲醇1:1)洗脱得到化合物8(39)mg和
Fr.4.1,Fr.4.1进一步经正相硅胶柱(石油醚-乙酸乙
酯200∶1~50∶1)、ODS色谱柱(甲醇-水9∶1~
1∶0)梯度洗脱得到化合物9(50mg)及化合物10
(15mg),Fr.5经凝胶柱SephadexLH-20(二氯甲
烷-甲醇1:1洗脱)得到Fr.5.1和Fr.5.2。Fr.5.1经
ODS色谱柱(甲醇-水9∶1~1∶0)梯度洗脱得到化
合物11(10mg)。
2.2结构鉴定
化合物1 白色针晶(CDCl3),mp=231~232
℃,IRmax(KBr)cm-1:2 980,2 975,1 735,1 455,
1 397,1 366,1 243,1 003,967.分子式为C32H52O2,
ESI-MS m/z:469[M]+,1 H-NMR(600 MHz,
CDCl3)δ:0.78,0.79,0.86,0.87,0.93,0.98,1.00,
1.06(各3H,CH3×8),2.03(3H,s,H-2′),4.49
(1H,dd,J=10.2,5.4Hz,H-3),5.11(1H,t,J=3.6
Hz,H-12);13C-NMR(150MHz,CDCl3)δ:15.7(t,
C-25),16.7(q,C-26),16.9(q,C-24),17.5(q,C-29),
18.3(t,C-6),21.3(q,C-2′),21.4(q,C-30),23.2(q,
C-27),23.4(t,C-11),23.6(t,C-2),26.6(t,C-16),
28.1(q,C-23),28.1(q,C-28),28.7(t,C-15),31.3(t,
C-21),32.9(t,C-7),33.7(s,C-17),36.8(s,C-10),
37.7(s,C-4),38.5(t,C-1),39.6(d,C-20),39.7(d,C-
19),40.1(s,C-8),41.5(t,C-22),42.1(s,C-14),47.7
(d,C-9),55.3(d,C-5),59.1(d,C-18),81.0(d,C-3),
124.3(d,C-12),139.6(d,C-13),171.0(s,C-1′)。分
析以上波谱数据,与文献(陈书红等,2006)数据基本
一致,因此鉴定化合物1为α-香树脂醇乙酸酯。
化合物2 白色粉末(CDCl3),mp=217~218
℃,IRmax(KBr)cm-1:2 960,1 735,1 430,1 380,
1 246,1 005,880.分子式为C32H52O2,ESI-MS m/
1111期         吴相雷等:云南兔儿风的五环三萜类化学成分研究
z:469[M]+,1 H-NMR(600 MHz,CDCl3)δ:0.72
(3H,s,H-28),0.79(3H,s,H-24),0.80(3H,s,H-
23),0.88(3H,s,H-25),0.94(3H,s,H-27),0.98
(3H,s,H-26),1.63(3H,s,H-30),1.99(3H,s,H-
2′),4.51(1H,br s,H-3),4.63(2H,br s,H-29);
13C-NMR(150MHz,CDCl3)δ:14.4(q,C-27),15.9
(q,C-26),16.1(q,C-25),16.4(q,C-24),17.9(q,C-
28),18.1(t,C-6),19.2(q,C-30),20.9(t,C-11),21.5
(q,C-2′),23.6(t,C-2),25.0(t,C-12),27.4(t,C-
15),27.8(q,C-23),29.7(t,C-21),34.1(t,C-7),35.5
(t,C-16),37.0(s,C-10),37.6(t,C-1),37.9(d,C-
13),38.4(s,C-4),39.9(t,C-22),40.8(d,C-8),42.8
(s,C-14),42.9(s,C-17),47.9(C-18,d),48.2(d,C-
19),50.3(d,C-9),55.3(d,C-5),81.2(d,C-3),109.2
(t,C-29),150.9(s,C-20),171.3(s,C-1′)。分析以
上波谱数据,与文献(刘金磊等,2012)数据基本一
致,因此鉴定化合物2为羽扇豆醇乙酸酯。
化合物3 白色固体(CDCl3),mp=178~179
℃,IRmax(KBr)cm-1:2 960,1 735,1 679,1 275,
1 050,990.分子式为 C32H50O2,ESI-MS m/z:467
[M]+,1 H-NMR(600MHz,CDCl3)δ:0.76,0.78,
0.79,0.85,0.86,0.96,0.99,1.12(各3H,CH3×8),
1.98(3H,s,H-2′),4.50(1H,dd,J=11.8,4.8Hz,
H-3),5.49(1H,d,J=5.8Hz,H-12),5.55(1H,d,J
=6.0Hz,H-11);13 C-NMR(150MHz,CDCl3)δ:
15.9(q,C-29),16.8(q,C-24),17.4(q,C-25),18.2(t,
C-6),21.0(q,C-30),21.5(q,C-2′),23.7(q,C-26),
24.3(t,C-2),25.4(q,C-27),25.6(t,C-16),28.2(q,
C-23),28.7(q,C-28),29.2(t,C-15),31.9(t,C-21),
32.1(t,C-7),34.6(s,C-17),36.8(t,C-1),37.9(s,C-
10),38.6(s,C-4),39.1(d,C-19),39.6(d,C-20),
40.6(s,C-8),41.4(t,C-22),43.1(s,C-14),51.2(d,
C-5),55.4(d,C-18),80.5(d,C-3),115.9(d,C-11),
120.7(d,C-12),147.2(s,C-13),153.9(s,C-9),
171.6(s,C-1′)。分析以上波谱数据,与文献(Nguy-
en et al.,2002)数据基本一致,因此鉴定化合物3为
9,12-二烯乌苏烷乙酸酯。
化合物4 白色粉末(CDCl3),mp=177~178
℃,IRmax(KBr)cm-1:2 980,2 975,1 730,1 631,
1 397,1 366,1 243,982,965.分子式为C30H48O,
ESI-MS m/z:425[M]+,1 H-NMR(600 MHz,
CDCl3)δ:0.78(3H,br s,H-29),0.84(3H,s,H-
28),0.99(3H,s,H-30),1.03(3H,s,H-26),1.04
(3H,s,H-24),1.08(3H,s,H-25),1.09(3H,s,H-
27),1.11(3H,s,H-23),5.12(1H,t,J=4.2Hz,H-
12);13 C-NMR(150MHz,CDCl3)δ:15.4(q,C-25),
16.8(q,C-26),17.4(q,C-29),19.6(t,C-6),21.3(q,
C-30),21.4(q,C-24),23.1(q,C-27),23.5(t,C-11),
26.5(t,C-16),28.4(q,C-23),28.7(t,C-15),28.7(q,
C-28),31.2(t,C-21),32.4(t,C-7),33.7(s,C-17),
34.1(t,C-2),36.6(s,C-10),39.4(t,C-1),39.5(d,C-
19),39.6(d,C-20),39.9(s,C-8),41.4(t,C-22),42.2
(s,C-14),46.9(d,C-9),47.3(s,C-4),55.2(d,C-5),
59.1(d,C-18),217.5(d,C-3),124.1(d,C-12),139.7
(s,C-13)。分析以上波谱数据,与文献(郭君良等,
2011)数据基本一致,因此鉴定化合物4为α-香树
脂酮。
化合物5 淡黄色油状物(CDCl3),mp=175~
176 ℃,IRmax(KBr)cm-1:2 940,1 710,1 430,
1 380,995,880.分子式为 C30H48O,ESI-MS m/z:
425[M]+,1 H-NMR(600MHz,CDCl3)δ:0.78(3H,
s,H-28),0.91(3H,s,H-25),0.93(3H,s,H-27),
1.00(3H,s,H-24),1.05(3H,s,H-26),1.06(3H,s,
H-23),1.66(3H,s,H-30),4.56(1H,br s,H-29b),
4.67(1H,br s,H-29a);13 C-NMR(150 MHz,
CDCl3)δ:14.4(q,C-27),15.7(q,C-26),15.9(q,C-
25),18.0(q,C-28),19.3(t,C-6),19.6(q,C-30),21.0
(q,C-24),21.4(t,C-11),25.9(t,C-12),26.8(t,C-
15),26.9(q,C-23),29.8(t,C-21),33.5(t,C-7),34.1
(t,C-2),35.8(t,C-16),36.8(s,C-10),38.1(d,C-
13),39.9(t,C-1),39.9(t,C-22),40.7(s,C-8),42.8
(s,C-17),42.9(s,C-14),47.3(s,C-4),48.1(d,C-
19),48.2(d,C-18),49.8(d,C-9),54.9(d,C-5),
109.3(t,C-29),150.8(s,C-20),218.0(s,C-3)。分
析以上波谱数据,与文献(赵奎君等,2001)数据基本
一致,因此鉴定化合物5为羽扇豆烯酮。
化合物6 无定形粉末(CDCl3),mp=69~70
℃,IRmax(KBr)cm-1:2 914,2 850,1 730,1 641,
1 471,1 381,1 265,1 173,980.分子式为C46H80O2,
ESI-MS m/z:665[M]+,1 H-NMR(600 MHz,
CDCl3)δ:0.78(3H,s,H-28),0.85(3H,s,H-16),
0.93(3H,s,H-24),1.02(3H,s,H-26),1.67(3H,s,
H-30),2.29(2H,t,J =7.8Hz,H-2′),4.45(1H,
dd,J=11.4,5.4Hz,H-3),4.56(1H,s,H-29b),
4.68(1H,s,H-29a);13C-NMR(150MHz,CDCl3)δ:
14.1(q,C-16′),14.5(q,C-27),16.0(q,C-24),16.2
211 广 西 植 物                  35卷
(q,C-26),16.6(q,C-25),18.0(t,C-6),18.2(q,C-
28),19.3(q,C-30),21.0(t,C-11),22.7(t,C-15′),
23.8(t,C-2),25.0(t,C-3′),25.2(t,C-12),27.5(t,C-
15),28.0(q,C-23),29.2-29.9(t,C-4′-13′),29.9(t,
C-21),31.9(t,C-14′),34.1(t,C-2′),34.2(t,C-7),
35.6(t,C-16),37.1(d,C-13),37.8(t,C-1),38.1(s,
C-10),38.4(s,C-4),40.0(t,C-22),40.9(s,C-8),
42.8(s,C-14),43.0(s,C-17),48.0(d,C-19),48.3
(d,C-18),50.4(d,C-9),55.4(d,C-5),80.6(d,C-3),
109.3(t,C-29),150.9(s,C-20),174.3(s,C-1′)。分
析以上波谱数据,与文献(戴忠等,2005)数据基本一
致,因此鉴定化合物6为蛇菰素B。
化合物7 白色晶体(CDCl3),mp=293~294
℃,IRmax(KBr)cm-1:2 910,2 845,1 710,1 650,
1 370,1 007,950.分子式为C32H52O2,ESI-MS m/
z:469[M]+,1 H-NMR(600MHz,Pyridine)δ:0.73,
0.75,0.82,0.91,0.91,0.94,0.99,1.00(各3H,s CH3
×8),1.01(3H,d,J=6.4Hz,H-29),2.07(3H,s,H-
2′),4.67(1H,dd,J=11.7,4.1Hz,H-3),5.41(1H,
br s,H-7);13 C-NMR(150MHz,Pyridine)δ:12.6
(q,C-25),15.4(q,C-23),16.5(t,C-15),20.6(q,C-
30),22.1(q,C-27),22.3(q,C-26),23.2(t,C-2),23.2
(q,C-2′),23.7(t,C-6),23.7(q,C-29),25.3(q,C-
28),27.0(q,C-24),28.6(t,C-11),28.9(t,C-21),
31.2(t,C-12),31.7(d,C-13),31.7(C-17,s),32.1(t,
C-16),34.7(s,C-10),35.0(d,C-19),35.9(s,C-4),
37.4(t,C-1),37.4(t,C-22),37.6(d,C-20),40.9(s,
C-14),47.7(d,C-18),50.2(d,C-5),54.5(d,C-9),
80.4(d,C-3),116.2(d,C-7),144.9(s,C-8),169.0
(s,C-1′)。分析以上波谱数据,与文献(贾靓等,
2005)数据基本一致,因此鉴定化合物7为降香萜醇
乙酸酯。
化合物8 白色固体(CDCl3),mp=79~80
℃,IRmax(KBr)cm-1:2 926,2 855,1 735,1 665,
1 375,1 346,1 005,970.分子式为C46H78O3,ESI-
MS m/z:679[M]+,1 H-NMR(600MHz,CDCl3)δ:
0.85(3H,s,CH3),0.89(12H,s,CH3×4),1.12
(3H,s,CH3),1.15(3H,s,CH3),1.35(3H,s,CH3)
4.50(1H,dd,J=11.4,4.8Hz,H-3),5.57(1H,s,
H-12);13 C-NMR(150MHz,CDCl3)δ:14.1(q,C-
16′),16.1(q,C-24),16.4(q,C-25),17.4(t,C-6),
18.7(q,C-26),22.8(t,C-15′),23.3(q,C-27),23.5
(q,C-30),23.6(t,C-2),25.1(t,C-3′),26.4(t,C-
15),26.4(t,C-16),28.0(q,C-23),28.7(q,C-28),
29.3-29.9(t,C-4′-13′),31.0(s,C-20),31.9(t,C-
14′),32.3(s,C-17),32.7(t,C-7),33.0(q,C-29),
34.2(t,C-2′),34.8(t,C-21),36.5(t,C-22),36.9(s,
C-10),38.1(s,C-4),38.8(t,C-1),43.4(d,C-8),45.1
(t,C-19),45.4(s,C-14),47.6(d,C-18),55.0(d,C-
5),61.7(d,C-9),80.3(d,C-3),128.1(d,C-12),
130.4(s,C-13),174.6(s,C-1′),200.1(s,C-11)。分
析以上波谱数据,与文献(Menzeth et al.,2002)数
据基本一致,因此鉴定化合物8为齐墩果烷-11-羰
基-12-烯-3-醇棕榈酸酯。
化合物9 白色无定形粉末(CDCl3),mp=178
~179 ℃,IRmax(KBr)cm-1:3 422,3 050,2 920,
1 660,1 370,1 343,1 020,970.分子式为C30H48O2,
ESI-MS m/z:441[M]+,1 H-NMR(CDCl3,600
MHz)δ:0.84,0.86,0.88,0.98,1.01,1.68(各3H,
CH3×6),3.34,3.85(各1H,d,J=10.4Hz,H-28),
3.94(1H,t,J=2.6Hz,H-3),5.26(1H,t,J =5.3
Hz,H-12),5.73(2H,s,H-29);13 C-NMR(150
MHz,CDCl3)δ:14.5(q,C-27),15.3(q,C-24),15.6
(q,C-26),15.7(q,C-25),18.3(t,C-6),23.3(t,C-
11),26.6(t,C-15),27.4(t,C-2),27.4(q,C-30),28.7
(q,C-23),29.8(t,C-21),29.9(t,C-16),34.3(t,C-
22),35.7(t,C-7),36.9(s,C-10),38.7(t,C-1),38.8
(s,C-4),40.8(s,C-8),47.2(s,C-17),47.7(d,C-
18),48.3(d,C-19),50.4(d,C-9),51.2(s,C-14),55.
2(d,C-5),59.1(t,C-28),79.0(d,C-3),109.3(t,C-
29),129.7(d,C-12),139.6(s,C-13),150.9(s,C-
20)。分析以上波谱数据,与文献(Rasa et al.,
2002)数据基本一致,因此鉴定化合物9为12-烯基
白桦脂醇。
化合物10 白色粉末(CDCl3),mp=231~232
℃,IRmax(KBr)cm-1:3 420,3 050,1 660,1 370,
1 342,1 003,965.分子式为C30H50O,ESI-MS m/z:
427[M]+,1 H-NMR(600MHz,CDCl3)δ:0.85(3H,
d,J=6.5Hz,H-30),0.89(3H,d,J=6.5Hz,H-
29),0.78,0.88,0.92,1.01,1.04,1.13(各3H,s,CH3
×6),3.47(1H,br s,H-3),5.61(1H,br s,H-6);
13C-NMR(150MHz,CDCl3)δ:14.5(q,C-27),15.2
(q,C-26),15.5(q,C-28),17.3(q,C-25),17.6(t,C-
1),19.4(t,C-19),21.9(q,C-29),22.9(q,C-30),23.5
(t,C-7),24.9(q,C-24),27.3(t,C-2),27.8(t,C-20),
28.5(t,C-15),28.5(q,C-23),28.6(t,C-12),30.3(d,
3111期         吴相雷等:云南兔儿风的五环三萜类化学成分研究
C-22),33.6(t,C-11),34.3(s,C-9),34.9(t,C-16),
38.1(s,C-13),38.8(s,C-14),40.3(s,C-4),42.3(s,
C-17),43.7(d,C-8),49.7(s,C-10),51.2(d,C-18),
59.5(d,C-21),75.8(d,C-3),121.5(d,C-6),141.5
(s,C-5)。分析以上波谱数据,与文献(温晶等,
2010)数据基本一致,因此鉴定化合物10为西米杜
鹃醇。
化合物11 白色固体(CDCl3),mp=56~57
℃,IRmax(KBr)cm-1:1 730,1 668,1 397,1 366,
1 243,1 023,1 003,984,967.分子式为C30H88O2,
ESI-MS m/z:721[M]+,1 H-NMR(600 MHz,
CDCl3)δ:0.78(3H,s,H-28),0.83(3H,s,H-25),
0.85(3H,s,H-24),0.87(3H,s,H-23),0.93(3H,s,
H-27),1.02(3H,s,H-26),1.67(3H,s,H-30),4.46
(1H,dd,J=10.9,5.3Hz,H-3),4.56(1H,br s,H-
29b),4.67(1H,br s,H-29a);13 C-NMR(150MHz,
CDCl3)δ:14.1(q,C-20′),14.5(q,C-27),16.0(q,C-
26),16.2(q,C-25),16.6(q,C-24),18.0(q,C-28),
18.2(t,C-6),19.3(q,C-30),21.0(t,C-11),22.8(t,
C-19′),23.7(t,C-2),25.2(t,C-12),25.2(t,C-3′),
27.4(t,C-15),28.0(q,C-23),29.2-29.9(t,C-4′-
13′),29.7(t,C-21),31.9(t,C-18′),34.2(t,C-7),
34.8(t,C-2′),35.6(t,C-16),37.1(s,C-10),37.8(s,
C-4),38.1(d,C-13),38.4(t,C-1),40.0(s,C-22),
40.9(s,C-8),42.8(s,C-14),43.0(s,C-17),48.0(d,
C-19),48.3(d,C-18),50.4(d,C-9),55.4(d,C-5),
80.6(d,C-3),109.3(t,C-29),150.9(s,C-20),173.6
(s,C-1′)。分析以上波谱数据,与文献(Hideyuki et
al.,2001)数据基本一致,因此鉴定化合物11为二
十烷酸羽扇豆醇乙酸酯。
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411 广 西 植 物                  35卷