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桦叶荚蒾三萜成分的研究



全 文 :桦叶荚蒾三萜成分的研究
胡 疆1, 刘 雁2, 黄晓云2, 卯 霞1, 刘志明3 *
(1. 曲靖师范学院,云南 曲靖 655011;2. 曲靖医学高等专科学校,云南 曲靖 655011;3. 曲靖市第一人
民医院,云南 曲靖 655000)
收稿日期:2016-02-27
作者简介:胡 疆 (1976—) ,男,博士,研究方向为天然药物化学。E-mail:hujiang@ ustc. edu
* 通信作者:刘志明 (1981—) ,男,硕士,主治医师,研究方向为天然药物化学。Tel:13529598036,E-mail:liuzhiming. cn@163. com
摘要:目的 研究桦叶荚蒾 Viburnum betulifolium Batal. 的三萜成分。方法 采用硅胶、ODS、Sephadex LH-20 柱,对
桦叶荚蒾 70%丙酮提取物的乙酸乙酯萃取部位进行分离纯化,通过波谱数据鉴定所得化合物的结构。结果 从中分
离得到 15 个化合物,分别鉴定为 3β-hydroxy-11α,12α-epoxy-friedoolean-14-enyl palmitate (1)、1β-hydroxy-ursa-9
(11) ,12 (13)-dien-3β-yl palmitate (2)、11α,12α-环氧蒲公英赛醇 (3)、β-乙酰香树脂醇乙酸酯 (4)、齐墩果酸
(5)、2α,3α-二羟基-12-烯-齐墩果酸 (6)、2α-羟基齐墩果酸 (7)、24-羟基-β-香树脂醇 (8)、28-羟基-β-香树脂醇
(9)、3β,23-dihydroxy-urs-12-ene (10)、坡模酸 (11)、羽扇豆醇 (12)、29-nor-20-oxolupeol (13)、白桦脂酸 (14)、
24-亚甲基环木菠萝烯酮 (15)。结论 化合物 1 ~ 4、6 ~ 7 为首次从荚蒾属植物中分离得到,化合物 5 为首次从该植
物中分离得到。
关键词:桦叶荚蒾;三萜;分离鉴定
中图分类号:R284. 1 文献标志码:A 文章编号:1001-1528(2016)12-2615-06
doi:10. 3969 / j. issn. 1001-1528. 2016. 12. 019
Triterpenoids from Viburnum betulifolium
HU Jiang1, LIU Yan2, HUANG Xiao-yun2, MAO Xia1, LIU Zhi-ming3*
(1. Qujing Normal University,Qujing 655011,China;2. Qujing Medical College,Qujing 655011,China;3. The First People’s Hospital of Qujing
City,Qujing 655000,China)
ABSTRACT:AIM To study the triterpenoids from Viburnum betulifolium Batal. . METHODS The ethyl ace-
tate fraction of 70% acetone extract from V. betulifolium was isolated and purified by silica,ODS and Sephadex
LH-20 column,then the structures of obtained compounds were elucidated by spectral data. RESULTS Fifteen
compounds were isolated and identified as 3β-hydroxy-11α,12α-epoxy-friedoolean-14-enyl palmitate (1) ,1β-hy-
droxy-ursa-9 (11) ,12 (13)-dien-3β-yl palmitate (2) ,11α,12α-oxidotaraxerol (3) ,β-amyrin acetate (4) ,
oleanolic acid (5) ,2α,3α-dihydroxy-12-ene-oleanolic acid (6) ,2α-hydroxy-oleanolic acid (7) ,24-hydroxyl-
β-amyrin (8) ,28-hydroxyl-β-amyrin (9) ,3β,23-dihydroxy-urs-12-ene (10) ,pomalic acid (11) ,lupeol
(12) ,29-nor-20-oxolupeol (13) ,betulinic acid (14) ,24-methylenecycloartenone (15). CONCLUSION
Compounds 1-4 and 6-7 are first isolated from genus Viburnum,and compound 5 is obtained from this plant for the
first time.
KEY WORDS:Viburnum betulifolium Batal.;triterpenoids;isolation and identification
忍冬科荚蒾属植物在全球有 200 余种,其中在
我国有 74 种 (含亚种、变种、变型) ,主产于西
南和中南 (中高海拔)地区[1-2],大多为灌木或小
乔木,许多是著名的园林观赏植物,也有部分以
根、茎、枝叶或果实入药,具有镇静、利尿、解除
子宫痉挛等药理活性[3],该属植物化学成分的结
构类型多样,包括二萜、三萜、环烯醚萜、黄酮、
木脂素、酚苷、香豆素等[4]。其中,桦叶荚蒾 Vi-
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burnum betulifolium Batal. 作为传统中药,具有调
经、涩精之功效,主治月经不调、梦遗虚滑、肺热
口臭、白浊带下等症[5],国内外对该植物化学成
分的研究报道较少。本课题组对其 70%丙酮提取
液的醋酸乙酯萃取部位进行了系统研究,共分离鉴
定出 15 个三萜类化合物 (1 ~ 15) ,其中五环三萜
酯 2 个 (1 ~ 2)、齐墩果烷型三萜 6 个 (3 ~ 8)、
乌苏烷型三萜 3 个 (9 ~ 11)、羽扇豆烷型三萜 3
个 (12 ~ 14)、环阿尔廷烷型三萜 1 个 (15)。
1 仪器与药材
Bruker Avance 400 型核磁共振仪 (内标 TMS,
德国 Bruker公司) ;MAT-212 质谱仪 (美国 Varian
公司) ;Sephadex LH-20 凝胶 (美国 GE Healthcare
公司) ;GF254 薄层色谱硅胶 (烟台江友硅胶开发
有限公司) ;柱层析硅胶 (200 ~ 300 目,青岛海洋
化工有限公司) ;ODS-A 反相硅胶 (50 μm,日本
YMC公司) ;高效薄层预制板 (烟台市化学工业研
究所烟台化工科技开发实验厂)。所用试剂均为分
析纯 (国药集团化学试剂有限公司)。
桦叶荚蒾于 2014 年 8 月采自于云南大理漕涧
地区,经曲靖师范学院生物资源与食品工程学院卯
霞副教授鉴定为忍冬科荚蒾属植物桦叶荚蒾 Vibur-
num betulifolium Batal.,标本保存于曲靖师范学院
少数民族用资源研究所。
2 提取和分离
取干燥的桦叶荚蒾枝叶 12. 3 kg,经粉碎后在
室温下以 50 L 70%丙酮提取 3 次,每次 3 d,提取
液减压回收溶剂,得到 325 g 浸膏,加水混悬,
15 L醋酸乙酯萃取 3 次,得 105 g 该部位。将其经
硅胶 柱 (200 ~ 300 目,下 同) ,氯 仿-甲 醇
(100 ∶ 0 ~ 70 ∶ 30)梯度洗脱,TLC 检测合并,得
到流份 Fr. 1 ~ 6。Fr. 2 (15 g)经硅胶柱,石油醚
(30 ~ 60 ℃)-醋酸乙酯 (8 ∶ 2)洗脱,Sephadex
LH-20 凝胶柱 (氯仿 ∶ 甲醇 = 1 ∶ 1)纯化,得到化
合物 1 (120 mg)、9 (98 mg)、10 (89 mg)、12
(52 mg)。Fr. 3 (7. 8 g)以石油醚-丙酮 (8 ∶ 2)
洗脱,硅胶柱反复纯化,得到化合物 2 (78 mg)、
3 (63 mg) ,6 (48 mg)、7 (68 mg)。 Fr. 4
(11 g)以氯仿-醋酸乙酯 (3 ∶ 1)、石油醚-醋酸乙
酯 (2 ∶ 1)洗脱,再经 RP-18 反相柱 (甲醇 ∶
水 = 8 ∶ 2) ,最后用 Sephadex LH-20 凝胶柱 (氯
仿 ∶ 甲醇 = 1 ∶ 1)纯化,得到化合物 4 (73 mg)、
5 (69 mg)、8 (35 mg)、14 (57 mg)。Fr. 5
(13 g)经硅胶柱,石油醚-醋酸乙酯 (8 ∶ 2)洗
脱,Sephadex LH-20 凝胶柱 (氯仿 ∶ 甲醇 = 1 ∶ 1)
多次纯化,得到化合物 11 (38 mg)、13 (51 mg)、
15 (102 mg)。
3 结构鉴定
化合物 1:白色无定形粉末,分子式 C46 H78
O3,Liebermann-Burchard 反应阳性。FAB-MS m/z:
677[M-H]-。1H-NMR (CDCl3,400 MHz)δ:5. 54
(1H,dd,J = 8. 4,3. 2 Hz,H-15) ,4. 50 (1H,
dd,J = 12. 0,6. 0 Hz,H-3) ,3. 10 (1H,t,J =
5. 0 Hz,H-11) ,2. 79 (1H,d,J = 5. 0 Hz,H-
12) ,1. 09 (3H, s,H-23) ,1. 07 (3H, s,H-
24) ,0. 99 (3H, s,H-29) ,0. 95 (3H, s,H-
26) ,0. 89 (3H, s,H-28) ,0. 86 (3H, s,H-
30) ,0. 85 (3H, s,H-27) ,0. 81 (3H, s,H-
25)。13C-NMR (CDCl3,100 MHz)δ:37. 9 (C-1) ,
23. 2 (C-2) ,80. 3 (C-3) ,37. 7 (C-4) ,54. 6 (C-
5) ,18. 8 (C-6) ,33. 1 (C-7) ,38. 9 (C-8) ,51. 9
(C-9) ,37. 4 (C-10) ,53. 4 (C-11) ,58. 2 (C-
12) ,36. 5 (C-13) ,157. 0 (C-14) ,118. 9 (C-
15) ,35. 2 (C-16) ,35. 4 (C-17) ,48. 0 (C-18) ,
40. 2 (C-19) ,28. 7 (C-20) ,36. 5 (C-21) ,38. 2
(C-22) ,27. 9 (C-23) ,17. 0 (C-24) ,16. 7 (C-
25) ,27. 0 (C-26) ,30. 2 (C-27) ,29. 9 (C-28) ,
33. 6 (C-29) ,19. 5 (C-30) ,173. 5 (C-1) ,34. 8
(C-2) ,25. 1 (C-3) ,29. 7 ~ 29. 2 (C-4 ~ 13) ,
31. 9 (C-14) ,22. 7 (C-15) ,14. 3 (C-16)。以
上数据与文献 [6] 基本一致,鉴定该化合物为
3β-hydroxy-11α,12α-epoxy-friedoolean-14-enyl pal-
mitate。
化合物 2:白色无定形粉末,分子式 C46 H78
O3,Liebermann-Burchard 反应阳性。FAB-MS m/z:
677[M-H]-。1H-NMR (CDCl3,400 MHz)δ:6. 51
(1H,d,J = 6. 0 Hz,H-11) ,5. 22 (1H,d,J =
6. 0 Hz,H-12) ,4. 30 (1H,dd,J = 8. 2,3. 4
Hz,H-3) ,3. 55 (1H,dd,J = 11. 6,4. 8 Hz,H-
1) ,2. 28 (2H, t, J = 7. 4 Hz,H-2) ,1. 26
(brs,H-4 ~ 15) ,0. 96 (3H, s,H-28) ,0. 91
(3H, s,H-27) ,0. 88 (3H, s,H-25) ,0. 87
(3H,t,J = 8. 0 Hz,H-16) ,0. 86 (3H,s,H-
24) ,0. 84 (3H,s,H-23) ,0. 83 (3H,d,J =
6. 4 Hz,H-29) ,0. 80 (3H,d,J = 6. 4 Hz,H-
30) ,0. 78 (3H,s,H-26)。13 C-NMR (CDCl3,100
MHz)δ:75. 5 (C-1) ,34. 7 (C-2) ,76. 9 (C-3) ,
37. 9 (C-4) ,48. 8 (C-5) ,18. 3 (C-6) ,30. 9 (C-
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7) ,43. 2 (C-8) ,152. 1 (C-9) ,44. 1 (C-10) ,
117. 1 (C-11) ,123. 5 (C-12) ,141. 6 (C-13) ,
40. 8 (C-14) ,26. 2 (C-15) ,28. 2 (C-16) ,33. 7
(C-17) ,57. 2 (C-18) ,39. 4 (C-19) ,39. 0 (C-
20) ,31. 2 (C-21) ,41. 3 (C-22) ,28. 7 (C-23) ,
16. 2 (C-24) ,18. 7 (C-25) ,17. 8 (C-26) ,22. 7
(C-27) ,27. 7 (C-28) ,17. 4 (C-29) ,21. 5 (C-
30) ,173. 6 (C-1) ,34. 5 (C-2) ,25. 1 (C-3) ,
29. 4 ~ 29. 7 (C-4 ~ 13) ,31. 9 (C-14) ,22. 9 (C-
15) ,14. 1 (C-16)。以上数据与文献 [7] 基本
一致,鉴定该化合物为 1β-hydroxy-ursa-9 (11) ,
12-dien-3β-yl palmitate。
化合物 3:白色无定形粉末,分子式 C30 H48
O2,Liebermann-Burchard 反应阳性。ESI-MS m/z:
441 [M + H]+。1H-NMR (CDCl3,400 MHz) δ:
5. 55 (1H,dd,J = 8. 3,3. 3 Hz,H-15) ,3. 25
(1H,t,J = 5. 6,3. 3 Hz,H-3) ,3. 12 (1H,t,
J = 5. 2 Hz,H-11) ,2. 81 (1H,d,J = 4. 6 Hz,
H-12) ,1. 09 (3H,s,H-23) ,1. 08 (3H,s,H-
24) ,1. 04 (3H, s,H-29) ,1. 00 (3H, s,H-
26) ,0. 99 (3H, s,H-28) ,0. 87 (3H, s,H-
27) ,0. 86 (3H, s,H-30) ,0. 83 (3H, s,H-
25)。13C NMR (CDCl3,100 MHz)δ:38. 2 (C-1) ,
26. 8 (C-2) ,79. 0 (C-3) ,38. 2 (C-4) ,54. 6 (C-
5) ,18. 8 (C-6) ,33. 1 (C-7) ,38. 6 (C-8) ,52. 0
(C-9) ,38. 2 (C-10) ,53. 6 (C-11) ,58. 3 (C-
12) ,36. 5 (C-13) ,157. 0 (C-14) ,118. 8 (C-
15) ,35. 2 (C-16) ,35. 3 (C-17) ,48. 0 (C-18) ,
40. 2 (C-19) ,28. 7 (C-20) ,36. 5 (C-21) ,38. 2
(C-22) ,27. 9 (C-23) ,16. 9 (C-24) ,15. 4 (C-
25) ,27. 0 (C-26) ,30. 2 (C-27) ,29. 9 (C-28) ,
33. 6 (C-29) ,19. 5 (C-30)。以上数据与文献 [8]
基本一致,鉴定该化合物为 11α,12α-环氧蒲公英
赛醇。
化合物 4:白色无定形粉末,分子式 C32 H52
O2,Liebermann-Burchard 反应阳性。ESI-MS m/z:
469 [M + H]+。1H-NMR (CDCl3,400 MHz) δ:
5. 13 (1H, t,J = 3. 3 Hz,H-12) ,4. 53 (1H,
dd,J = 9. 6,7. 8 Hz,H-3) ,2. 05 (3H, s,-
COCH3) ,1. 07 (3H, s,H-28) ,1. 02 (3H, s,
H-23) ,0. 99 (3H,s,H-27) ,0. 92 (3H,d,J =
6. 2 Hz, H-29) ,0. 88 (3H, s, H-26) ,0. 87
(3H, s,H-24) ,0. 83 (3H, s,H-25) ,0. 81
(3H,d,H-30)。13 C-NMR (CDCl3,100 MHz)δ:
38. 4 (C-1) ,23. 6 (C-2) ,80. 9 (C-3) ,37. 7 (C-
4) ,55. 2 (C-5) ,18. 2 (C-6) ,32. 8 (C-7) ,40. 0
(C-8) ,47. 6 (C-9) ,36. 8 (C-10) ,23. 3 (C-11) ,
124. 3 (C-12) ,139. 6 (C-13) ,42. 0 (C-14) ,
28. 7 (C-15) ,26. 6 (C-16) ,33. 7 (C-17) ,59. 0
(C-18) ,39. 6 (C-19) ,39. 6 (C-20) ,31. 3 (C-
21) ,41. 5 (C-22) ,28. 0 (C-23) ,16. 8 (C-24) ,
15. 7 (C-25) ,16. 7 (C-26) ,23. 2 (C-27) ,28. 7
(C-28) ,17. 5 (C-29) ,21. 4 (C-30) ,171. 1
(CH3CO) ,21. 3 (CH3CO)。以上数据与文献 [9]
基本一致,鉴定该化合物为 β-乙酰香树脂醇乙
酸酯。
化合物 5:白色无定形粉末,分子式 C30 H48
O3,Liebermann-Burchard 反应阳性。ESI-MS m/z:
457 [M + H]+。1H-NMR (CDCl3,400 MHz) δ:
5. 25 (1H,brs,H-12) ,3. 22 (1H,m,H-3) ,
2. 81 (1H,m,H-18) ,1. 16 (3H, s,H-30) ,
1. 02 (3H, s,H-29) ,0. 95 (3H, s,H-27) ,
0. 93 (3H, s,H-25) ,0. 91 (3H, s,H-26) ,
0. 78 (3H,s,H-23) ,0. 75 (3H,s,H-24)。13 C-
NMR (CDCl3,100 MHz) δ:38. 2 (C-1) ,26. 4
(C-2) ,78. 4 (C-3) ,38. 4 (C-4) ,55. 0 (C-5) ,
18. 0 (C-6) ,32. 4 (C-7) ,39. 0 (C-8) ,47. 4 (C-
9) ,36. 7 (C-10) ,22. 7 (C-11) ,122. 0 (C-12) ,
143. 6 (C-13) ,41. 0 (C-14) ,27. 4 (C-15) ,23. 1
(C-16) ,46. 1 (C-17) ,41. 0 (C-18) ,45. 7 (C-
19) ,30. 3 (C-20) ,33. 5 (C-21) ,32. 3 (C-22) ,
27. 6 (C-23) ,14. 9 (C-24) ,15. 2 (C-25) ,16. 4
(C-26) ,25. 5 (C-27) ,180. 6 (C-28) ,32. 6 (C-
29) ,23. 1 (C-30)。以上数据与文献 [10] 基本
一致,鉴定该化合物为齐墩果酸。
化合物 6:白色无定形粉末,分子式 C30 H48
O4,Liebermann-Burchard 反应阳性。ESI-MS m/z:
473 [M + H]+。1H-NMR (CDCl3,400 MHz) δ:
5. 26 (1H,brs,H-12) ,3. 93 (1H,m,H-2) ,
3. 31 (1H,m,H-3) ,2. 85 (1H,m,H-18) ,
1. 18 (3H, s,H-30) ,0. 99 (3H, s,H-29) ,
0. 98 (3H, s,H-27) ,0. 95 (3H, s,H-26) ,
0. 91 (3H, s,H-25) ,0. 87 (3H, s,H-24) ,
0. 81 (3H,s,H-23)。13C-NMR (CDCl3,100 MHz)
δ:42. 6 (C-1) ,67. 2 (C-2) ,80. 2 (C-3) ,39. 6
(C-4) ,49. 4 (C-5) ,19. 3 (C-6) ,34. 0 (C-7) ,
40. 8 (C-8) ,47. 7 (C-9) ,39. 5 (C-10) ,24. 1 (C-
11) ,123. 6 (C-12) ,145. 4 (C-13) ,43. 2 (C-
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14) ,28. 9 (C-15) ,24. 7 (C-16) ,48. 9 (C-17) ,
42. 8 (C-18) ,47. 4 (C-19) ,31. 7 (C-20) ,33. 9
(C-21) ,35. 0 (C-22) ,22. 6 (C-23) ,29. 4 (C-
24) ,17. 0 (C-25) ,17. 8 (C-26) ,26. 6 (C-27) ,
181. 9 (C-28) ,33. 7 (C-29) ,24. 1 (C-30)。以上
数据与文献 [11]基本一致,鉴定该化合物为 2α,
3α-二羟基-12-烯-齐墩果酸。
化合物 7:白色无定形粉末,分子式 C30 H48
O4,Liebermann-Burchard 反应阳性。ESI-MS m/z:
473 [M + H]+。1H-NMR (CDCl3,400 MHz) δ:
5. 27 (1H,brs,H-12) ,3. 63 (1H,m,H-2) ,
3. 01 (1H,d,J = 9. 9 Hz,H-3) ,2. 87 (1H,m,
H-18) ,1. 17 (3H,s,H-30) ,1. 05 (3H,s,H-
29) ,1. 02 (3H, s,H-27) ,0. 94 (3H, s,H-
26) ,0. 93 (3H, s,H-25) ,0. 83 (3H, s,H-
24) ,0. 82 (3H,s,H-23)。13 C-NMR (CDCl3,100
MHz)δ:48. 3 (C-1) ,69. 8 (C-2) ,84. 8 (C-3) ,
40. 8 (C-4) ,56. 7 (C-5) ,19. 9 (C-6) ,33. 8 (C-
7) ,40. 5 (C-8) ,49. 2 (C-9) ,39. 5 (C-10) ,
24. 3 (C-11) ,123. 5 (C-12) ,145. 7 (C-13) ,
43. 5 (C-14) ,29. 1 (C-15) ,24. 8 (C-16) ,47. 9
(C-17) ,42. 7 (C-18) ,47. 6 (C-19) ,31. 8 (C-
20) ,34. 7 (C-21) ,34. 1 (C-22) ,29. 5 (C-23) ,
17. 8 (C-24) ,17. 4 (C-25) ,17. 6 (C-26) ,26. 6
(C-27) ,180. 8 (C-28) ,33. 7 (C-29) ,23. 7 (C-
30)。以上数据与文献 [11]基本一致,鉴定该化
合物为 2α-羟基齐墩果酸。
化合物 8:白色无定形粉末,分子式 C30 H50
O2,Liebermann-Burchard 反应阳性。ESI-MS m/z:
443 [M + H]+。1H-NMR (CDCl3,400 MHz) δ:
5. 18 (1H,brs,H-12) ,3. 49 (1H,dd,J = 10. 0,
5. 6 Hz,H-3) ,1. 25 (3H,s,H-30) ,1. 13 (3H,
s,H-29) ,0. 93 (3H,s,H-27) ,0. 89 (3H,s,
H-28) ,0. 88 (3H,s,H-26) ,0. 87 (3H,s,H-
25) ,0. 83 (3H,s,H-24)。13 C-NMR (CDCl3,100
MHz)δ:38. 3 (C-1) ,27. 9 (C-2) ,79. 0 (C-3) ,
42. 1 (C-4) ,55. 2 (C-5) ,18. 3 (C-6) ,32. 9 (C-
7) ,39. 9 (C-8) ,47. 7 (C-9) ,36. 8 (C-10) ,
23. 7 (C-11) ,121. 6 (C-12) ,139. 7 (C-13) ,
41. 5 (C-14) ,26. 6 (C-15) ,25. 7 (C-16) ,32. 6
(C-17) ,47. 2 (C-18) ,46. 8 (C-19) ,31. 2 (C-
20) ,34. 7 (C-21) ,37. 1 (C-22) ,22. 6 (C-23) ,
63. 1 (C-24) ,15. 7 (C-25) ,16. 8 (C-26) ,26. 6
(C-27) ,28. 4 (C-28) ,33. 3 (C-29) ,23. 7 (C-
30)。以上数据与文献 [12]基本一致,鉴定该化
合物为 24-羟基-β-香树脂醇。
化合物 9:白色无定形粉末,分子式 C30 H50
O2,Liebermann-Burchard 反应阳性。ESI-MS m/z:
443 [M + H]+。1H-NMR (CDCl3,400 MHz) δ:
5. 20 (1H,t,J = 3. 3 Hz,H-12) ,3. 50 (1H,t,
J = 3. 3 Hz,H-3) ,3. 22 (2H,s,H-28) ,1. 19
(3H,s,H-24) ,1. 02 (3H,d,J = 6. 0 Hz,H-
30) ,0. 95 (3H, s,H-27) ,0. 94 (3H, s,H-
26) ,0. 92 (3H, s,H-28) ,0. 87 (3H, s,H-
25) ,0. 80 (3H,d,J = 6. 6 Hz,H-29)。13 C-NMR
(CDCl3,100 MHz)δ:38. 7 (C-1) ,27. 2 (C-2) ,
79. 0 (C-3) ,38. 7 (C-4) ,55. 1 (C-5) ,18. 3 (C-
6) ,32. 8 (C-7) ,39. 4 (C-8) ,47. 6 (C-9) ,45. 3
(C-10) ,23. 3 (C-11) ,125. 1 (C-12) ,138. 7 (C-
13) ,42. 0 (C-14) ,26. 0 (C-15) ,23. 3 (C-16) ,
36. 8 (C-17) ,54. 0 (C-18) ,39. 3 (C-19) ,39. 4
(C-20) ,35. 1 (C-21) ,30. 6 (C-22) ,28. 1 (C-
23) ,15. 6 (C-24) ,15. 7 (C-25) ,16. 7 (C-26) ,
23. 3 (C-27) ,69. 8 (C-28) ,17. 3 (C-29) ,21. 3
(C-30)。以上数据与文献 [13]基本一致,鉴定
该化合物为 28-羟基-β-香树脂醇。
化合物 10:白色无定形粉末,分子式 C30 H50
O2,Liebermann-Burchard 反应阳性。ESI-MS m/z:
443 [M + H]+。1H-NMR (CDCl3,400 MHz) δ:
5. 32 (1H,m,H-12) ,3. 63 (1H,m,H-3) ,
3. 61 (1H,d,J = 11. 7 Hz,H-23b) ,3. 46 (1H,
d,J = 11. 7 Hz,H-23a) ,1. 13 (3H,s,H-24) ,
1. 03 (3H,d,J = 6. 0 Hz,H-30) ,0. 96 (3H,s,
H-27) ,0. 95 (3H,s,H-26) ,0. 88 (3H,s,H-
25) ,0. 78 (3H,s,H-28) ,0. 73 (3H,d,J =
6. 6 Hz,H-29)。13 C-NMR (CDCl3,100 MHz) δ:
39. 6 (C-1) ,29. 5 (C-2) ,77. 3 (C-3) ,40. 3 (C-
4) ,56. 1 (C-5) ,18. 6 (C-6) ,33. 5 (C-7) ,43. 8
(C-8) ,46. 5 (C-9) ,42. 0 (C-10) ,22. 7 (C-11) ,
122. 0 (C-12) ,138. 3 (C-13) ,44. 3 (C-14) ,
24. 8 (C-15) ,25. 9 (C-16) ,48. 1 (C-17) ,54. 6
(C-18) ,41. 9 (C-19) ,42. 3 (C-20) ,34. 3 (C-
21) ,35. 7 (C-22) ,67. 5 (C-23) ,18. 3 (C-24) ,
14. 9 (C-25) ,16. 8 (C-26) ,24. 9 (C-27) ,18. 5
(C-28) ,17. 3 (C-29) ,21. 6 (C-30)。以上数据与
文献 [14]基本一致,鉴定该化合物为 3β,23-di-
hydroxy-urs-12-ene。
化合物 11:白色无定形粉末,分子式 C30 H48
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O4,Liebermann-Burchard 反应阳性。ESI-MS m/z:
473 [M + H]+。1H-NMR (CDCl3,400 MHz) δ:
5. 69 (1H, t,J = 4. 0 Hz,H-12) ,3. 51 (1H,
dd,J = 10. 8,5. 2 Hz,H-3) ,1. 81 (3H,s,H-
27) ,1. 53 (3H, s,H-29) ,1. 31 (3H, s,H-
23) ,1. 21 (3H,s,H-26) ,1. 19 (3H,d,J =
4. 4 Hz, H-30) ,1. 10 (3H, s, H-24) ,0. 98
(3H,s,H-25)。13 C-NMR (CDCl3,100 MHz)δ:
39. 3 (C-1) ,28. 4 (C-2) ,78. 5 (C-3) ,39. 7 (C-
4) ,56. 2 (C-5) ,19. 2 (C-6) ,33. 9 (C-7) ,40. 7
(C-8) ,48. 1 (C-9) ,37. 7 (C-10) ,24. 3 (C-11) ,
128. 3 (C-12) ,140. 3 (C-13) ,42. 7 (C-14) ,
29. 6 (C-15) ,26. 7 (C-16) ,48. 6 (C-17) ,54. 9
(C-18) ,73. 0 (C-19) ,42. 4 (C-20) ,27. 2 (C-
21) ,38. 8 (C-22) ,29. 1 (C-23) ,15. 9 (C-24) ,
16. 8 (C-25) ,17. 5 (C-26) ,25. 0 (C-27) ,180. 9
(C-28) ,27. 4 (C-29) ,17. 1 (C-30)。以上数据与
文献 [15]基本一致,鉴定该化合物为坡模酸。
化合物 12:白色无定形粉末,分子式 C30 H50
O,Liebermann-Burchard 反应阳性。ESI-MS m/z:
427 [M + H]+。1H-NMR (CDCl3,400 MHz) δ:
4. 69 (1H, brs,H-29a) ,4. 57 (1H, brs, H-
29b) ,3. 21 (1H,m,H-3) ,1. 29 (3H, s,H-
27) ,1. 26 (3H, s,H-23) ,1. 08 (3H, s,H-
28) ,1. 06 (3H, s,H-25) ,1. 02 (3H, s,H-
24) ,0. 76 (3H,s,H-26)。13 C-NMR (CDCl3,100
MHz)δ:38. 7 (C-1) ,27. 4 (C-2) ,79. 0 (C-3) ,
38. 8 (C-4) ,55. 2 (C-5) ,118. 4 (C-6) ,34. 3 (C-
7) ,40. 8 (C-8) ,50. 4 (C-9) ,37. 2 (C-10) ,
21. 0 (C-11) ,25. 2 (C-12) ,38. 0 (C-13) ,43. 0
(C-14) ,28. 0 (C-15) ,35. 6 (C-16) ,42. 8 (C-
17) ,48. 3 (C-18) ,48. 0 (C-19) ,150. 9 (C-20) ,
29. 8 (C-21) ,40. 0 (C-22) ,29. 7 (C-23) ,15. 4
(C-24) ,16. 1 (C-25) ,16. 0 (C-26) ,14. 5 (C-
27) ,18. 0 (C-28) ,109. 3 (C-29) ,9. 3 (C-30)。
以上数据与文献 [15] 基本一致,鉴定该化合物
为羽扇豆醇。
化合物 13:白色无定形粉末,分子式 C29 H48
O2,Liebermann-Burchard 反应阳性。ESI-MS m/z:
429 [M + H]+。1H-NMR (CDCl3,400 MHz) δ:
3. 21 (1H,dd,J = 11. 4,4. 8 Hz,H-3) ,2. 60
(1H, ddd, J = 11. 4,11. 4,6. 0 Hz,H-19) ,
2. 16 (3H, s,H-30) ,2. 06 (m,H-21) ,1. 84
(1H,d,J = 10. 5 Hz,H-18) ,1. 04 (3H,s,H-
26) ,0. 99 (3H,s,H-23,27) ,0. 85 (3H, s,
H-25) ,0. 79 (3H,s,H-24) ,0. 78 (3H,s,H-
28) ,0. 75 (1H,brd,J = 10. 5 Hz,H-5)。13 C-
NMR (CDCl3,100 MHz) δ:38. 7 (C-1) ,27. 3
(C-2,C-15) ,78. 9 (C-3) ,38. 9 (C-4) ,55. 2
(C-5) ,18. 3 (C-6) ,34. 2 (C-7) ,40. 7 (C-8) ,
50. 3 (C-9) ,37. 2 (C-10) ,20. 9 (C-11) ,27. 2
(C-12) ,38. 3 (C-13) ,43. 1 (C-14) ,34. 9 (C-
16) ,42. 7 (C-17) ,49. 7 (C-18) ,52. 6 (C-19) ,
212. 9 (C-20) ,27. 6 (C-21) ,39. 8 (C-22) ,28. 0
(C-23) ,15. 4 (C-24) ,16. 1 (C-25) ,15. 9 (C-
26) ,14. 5 (C-27) ,18. 0 (C-28) ,29. 2 (C-30)。
以上数据与文献 [16] 基本一致,鉴定该化合物
为 29-nor-20-oxolupeol。
化合物 14:白色无定形粉末,分子式 C30 H48
O3,Liebermann-Burchard 反应阳性。ESI-MS m/z:
457 [M + H]+。1H-NMR (CDCl3,400 MHz) δ:
4. 94 (1H, brs,H-30b) ,4. 78 (1H, brs,H-
30a) ,3. 53 (1H,m,H-19) ,3. 46 (1H, dd,
J = 7. 4 Hz,H-3) ,2. 73 (1H, td, J = 11. 9,
3. 3 Hz, H-13) ,1. 78 (3H, s, H-29) ,1. 73
(1H,m,H-18) ,1. 23 (3H, s,H-23) ,1. 07
(3H, s,H-27) ,1. 01 (3H, s,H-25) ,0. 82
(3H,s,H-24)。13 C-NMR (CDCl3,100 MHz)δ:
39. 2 (C-1) ,28. 2 (C-2) ,78. 1 (C-3) ,39. 5 (C-
4) ,55. 9 (C-5) ,18. 7 (C-6) ,34. 9 (C-7) ,41. 2
(C-8) ,50. 9 (C-9) ,37. 5 (C-10) ,21. 1 (C-11) ,
26. 1 (C-12) ,38. 6 (C-13) ,42. 8 (C-14) ,31. 2
(C-15) ,32. 8 (C-16) ,56. 6 (C-17) ,49. 8 (C-
18) ,47. 7 (C-19) ,151. 3 (C-20) ,30. 2 (C-21) ,
37. 5 (C-22) ,28. 6 (C-23) ,16. 2 (C-24) ,16. 4
(C-25) ,16. 4 (C-26) ,14. 9 (C-27) ,178. 9 (C-
28) ,19. 4 (C-29) ,109. 9 (C-30)。以上数据与文
献 [17]基本一致,鉴定该化合物为白桦脂酸。
化合物 15:白色无定形粉末,分子式 C31 H50
O,Liebermann-Burchard 反应阳性。ESI-MS m/z:
439 [M + H]+。H-NMR (CDCl3,400 MHz) δ:
4. 71 (1H, brs,H-31a) ,4. 65 (1H, brs, H-
31b) ,1. 09 (3H,s,H-30) ,1. 03 (3H,s,H-
29) ,1. 02 (3H,d,J = 6. 5 Hz,H-27) ,1. 01
(3H,d,J = 6. 5 Hz,H-26) ,1. 00 (3H,s,H-
18) ,0. 98 (3H,s,H-28) ,0. 89 (3H,d,J =
6. 0 Hz,H-21)。13 C-NMR (CDCl3,100 MHz) δ:
33. 4 (C-1) ,37. 4 (C-2) ,216. 5 (C-3) ,50. 2 (C-
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4) ,48. 4 (C-5) ,21. 5 (C-6) ,28. 1 (C-7) ,47. 8
(C-8) ,21. 0 (C-9) ,25. 9 (C-10) ,25. 8 (C-11) ,
35. 5 (C-12) ,45. 3 (C-13) ,48. 7 (C-14) ,32. 7
(C-15) ,26. 7 (C-16) ,52. 2 (C-17) ,18. 3 (C-
18) ,29. 5 (C-19) ,36. 1 (C-20) ,18. 0 (C-21) ,
34. 9 (C-22) ,31. 2 (C-23) ,156. 7 (C-24) ,33. 7
(C-25) ,21. 9 (C-26) ,21. 8 (C-27) ,19. 3 (C-
28) ,22. 1 (C-29) ,2 0. 7 (C-30) ,105. 9 (C-31)。
以上数据与文献 [18] 基本一致,鉴定该化合物
为 24-亚甲基环木菠萝烯酮。
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