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云南松松塔的化学成分研究



全 文 :收稿日期:2014-08-12 接受日期:2014-11-19
基金项目:国家自然科学基金资助项目(81260632) ,国家发改委
“大规模综合性化合物库建设”专项基金
* 通讯作者 Tel:86-871-68392173;E-mail:gymail999@ 126. com;
lgm13330555378@ 126. com
天然产物研究与开发 Nat Prod Res Dev 2015,27:59-62,66
文章编号:1001-6880(2015)1-0059-05
云南松松塔的化学成分研究
刘 爽1,2,刘 熙1,李冬梅1,刘光明1* ,王 飞2,高 原2*
1大理学院药学与化学学院,大理 671000;2 云南西力生物技术股份有限公司,昆明 650201
摘 要:采用正相硅胶、RP-18、MCI、Sephadex LH-20 柱色谱和中压液相色谱等方法对云南松松塔乙醇提取物的
化学成分进行分离纯化,运用现代波谱技术鉴定了 13 个化合物,分别为:16-降-15-氧代脱氢松香酸(1)、16-降-
7,15-二氧代脱氢松香酸(2)、7α,15-二羟基脱氢松香酸(3)、15-羟基-7-氧代脱氢松香酸甲酯(4)、南洋杉酸(5)、
异考布松(6)、交链孢酚(7)、罗汉松脂素(8)、(+)-表松脂素(9)、二氢槲皮素 3-O-葡萄糖甙(10)、赤松素
(11)、(Z)-3-羟基-5-甲氧基二苯乙烯(12)、松柏醛(13)。所有化合物均为首次从云南松中分离得到,化合物 1、
2、6、7、9 为首次从松属中分离得到。
关键词:云南松;松科;松塔;化学成分;松香烷二萜
中图分类号:R284. 2 文献标识码:A DOI:10. 16333 / j. 1001-6880. 2015. 01. 012
Studies on the Chemical Constituents of Pine Cone of Pinus yunnanensis
LIU Shuang1,2,LIU Xi1,LI Dong-mei1,LIU Guang-ming1* ,WANG Fei2,GAO Yuan2*
1College of Pharmacy and Chemistry,Dali University,Dali 671000,China;2BioBioPha Co.,Ltd.,Kunming 650201,China
Abstract:Thirteen compounds were isolated and purified from the ethanolic extracts of pine cone of Pinus yunnanensis
by MPLC and column chromatography on silica gel,RP-18,MCI,and Sephadex LH-20. On the basis of spectroscopic a-
nalysis,the isolated compounds were identified as 16-nor-15-oxodehydroabietic acid (1) ,16-nor-7,15-dioxodehydroabi-
etic acid (2) ,7α,15-dihydroxydehydroabietic acid (3) ,methyl 15-hydroxy-7-oxodehydroabietate (4) ,imbricatolic acid
(5) ,isokobusone (6) ,alternariol (7) ,matairesinol (8) ,(+)-epipinoresinol (9) ,taxifolin 3-O-glucoside (10) ,pino-
sylvin (11) ,(Z)-3-hydroxy-5-methoxystilbene (12)and coniferaldehyde (13). All compounds were obtained from P.
yunnanensis for the first time and compounds 1,2,6,7 and 9 were obtained from the genus Pinus for the first time.
Key words:Pinus yunnanensis;Pinaceae;pine cone;chemical constituents;abietane diterpenoid
松科(Pinaceae)松属(Pinus)植物多为常绿乔
木,稀为灌木,约 80 余种,分布于北半球,北至北极
地区,南至北非、中美、中南半岛及苏门答腊赤道以
南地方;我国产 22 种 10 变种,另引入 16 种 2 变种,
分布几遍全国[1]。对松属植物的化学成分研究表
明,该属植物富含二萜、三萜、黄酮等结构类型[2],
但是,针对云南松松塔部位化学成分的相关研究却
很少。松塔(Pine cone)系松属植物的球果,在我国
具有悠久的药用历史,始记于汉末的《名医别录》,
《本草纲目》中对松塔的祛痰、止咳平喘、祛风和润
肠等功效也有详细记载[3]。此外,生物活性研究发
现,松塔具有抗肿瘤[4]、抗菌[5,6]、抗病毒[7,8]、抗氧
化[9]和免疫增强[10]等功能,日本南部九州地区民间
也有长期服用日本白松松塔煎水喝治疗胃癌的习
俗。日本学者对此进行追踪研究,发现松塔提取物
不仅有抗癌活性,还有抑制 HIV复制作用[11]。本课
题组从日本学者的研究中得到启发,对云南松等多
种松树的松塔提取物进行了活性研究,结果显示几
种松塔提取物均能选择性地抑制 U14(宫颈癌)细
胞、S180(实体癌)细胞、Hepa(肝癌腹水)、Mmtv(乳
房肿瘤)细胞等的生长,并且具有抗 HIV 活性[12]。
为了从云南松松塔中寻找具有潜在药物开发价值的
活性先导化合物,我们对云南松松塔的化学成分进
行了深入、系统地分离,并利用现代波谱技术对分离
得到的 13 个单体化合物进行了结构鉴定。以上研
究丰富了该植物的化学成分研究内容,为充分开发
利用云南松松塔奠定了理论基础。
1 仪器与材料
1. 1 仪器与试剂
Bruker AV-400 和 Bruker Avance III 600 MHz核
磁共振光谱仪。柱色谱正相硅胶(200 ~ 300 目)和
薄层色谱硅胶 GF254均为青岛美高集团有限公司生
产;反相填充材料为 Chromatorex C-18(40 ~ 75 μm,
Fuji Silysia Chemical Ltd.,Kasugai,Aichi,Japan) ;
MCI 填充材料为 MCI-gel CHP-20P(75 ~ 150 μm,
Mitsubishi Chemical Corp,Tokyo,Japan) ;凝胶为
Sephadex LH-20(Amersham Biosciences,Sweden) ;中
压液相色谱(MPLC)系统为 Büchi Sepacore System
equipping pump manager C-615,pump modules C-
605,fraction collector C-660(Büchi Labortechnik AG,
Flawil,Switzerland)。化合物检测用 TLC(Qingdao
Marine Chemical Inc,China)结合 Agilent 1200 HPLC
series system equipped by Eclipse XDB-C18 column(5
μm,4. 6 × 150 mm)。显色剂为香草醛 H2SO4 /
EtOH溶液。
1. 2 实验材料
云南松松塔于云南大理州漾濞县小金牛村附近
采集,由云南省大理学院夏从龙教授鉴定,该植物样
品存放于大理白族自治州大理学院药学与化学学
院。
2 提取与分离
干燥的云南松松塔 26. 5 kg,粉碎后,立即用
95%乙醇在室温条件下冷浸提取 5 次,每次 48 h;合
并 5 次提取液浓缩后,得到浸膏 1. 2 kg。浸膏用氯
仿∶甲醇 = 1∶ 1 溶剂溶解后,硅胶拌样,经硅胶柱层
析,以石油醚-丙酮体系进行梯度洗脱(v∶ v = 95 ∶ 5,
90∶ 10,80∶ 20,70∶ 30,60∶ 40,50∶ 50,0∶ 100) ,检测合
并后得到 11 个流分。Fr 1 分别经硅胶(氯仿∶ 丙酮
= 200∶ 1,100∶ 1,50∶ 1,20∶ 1)和 Sephadex LH-20(氯
仿∶甲醇 = 1∶ 1)柱层析分离纯化,得到化合物 12(3
mg)。Fr 4 经过反复硅胶、MCI、Sephadex LH-20(甲
醇)、RP-18 柱层析分离,得到化合物 13(7 mg)、1
(12 mg)、5(94 mg)、6(15 mg)。Fr 7 ~ 11 经反复硅
胶(氯仿 ∶ 甲醇 = 200 ∶ 1、100 ∶ 1、50 ∶ 1)和 Sephadex
LH-20(甲醇)柱层析分离,得到化合物 9(3 mg)、11
(12 mg)、7(2 mg)、8(617 mg)、4(82 mg)、2(2
mg)、3(57 mg)、10(439 mg)。
3 结构鉴定
化合物 1 无色油状物;1H NMR (CDCl3,400
MHz)δ:7. 70 (1H,dd,J = 8. 4,1. 8 Hz,H-12) ,7. 62
(1H,d,J = 1. 8 Hz,H-14) ,7. 32 (1H,d,J = 8. 4
Hz,H-11) ,2. 94 (2H,m,H-7) ,2. 55 (3H,s,-
COMe) ,2. 32 (1H,dd,J = 12. 4,3. 0 Hz,H-1a) ,
2. 19 (1H,dd,J = 12. 0,2. 3 Hz,H-5) ,1. 84 (1H,
m,H-6a) ,1. 76 (2H,m,H-2) ,1. 59 (1H,m,H-3a) ,
1. 47 (1H,m,H-3b) ,1. 39 (1H,m,H-6b) ,1. 36
(1H,m,H-1b) ,1. 27 (3H,s,H-19) ,1. 20 (3H,s,H-
20) ;13 C NMR (CDCl3,100 MHz)δ:198. 2 (s,C-
15) ,183. 6 (s,C-18) ,154. 7 (s,C-9) ,135. 4 (s,C-
8) ,134. 5 (s,C-13) ,129. 3 (d,C-14) ,125. 8 (d,C-
12) ,124. 6 (d,C-11) ,47. 3 (s,C-4) ,44. 1 (d,C-
5) ,37. 6 (t,C-1) ,37. 5 (s,C-10) ,36. 6 (t,C-3) ,
29. 8 (t,C-7) ,26. 6 (q,C-17) ,24. 8 (q,C-20) ,21. 5
(t,C-6) ,18. 3 (t,C-2) ,16. 2 (q,C-19)。以上数据
与文献[13]报道的 16-降-15-氧代脱氢松香酸数据基
本一致,故化合物 1 鉴定为 16-降-15-氧代脱氢松香
酸。
化合物 2 无色油状物;1H NMR (CDCl3,600
MHz)δ:8. 52 (1H,d,J = 1. 8 Hz,H-14) ,8. 13
(1H,dd,J = 8. 4,1. 8 Hz,H-12) ,7. 48 (1H,d,J =
8. 4 Hz,H-11) ,2. 77 (1H,dd,J = 17. 4,14. 4 Hz,H-
6a) ,2. 70 (1H,dd,J = 14. 4,3. 0 Hz,H-5) ,2. 61
(3H,s,-COMe) ,2. 53 (1H,m,H-1a) ,2. 39 (1H,
dd,J = 17. 4,3. 0 Hz,H-6b) ,1. 83 (1H,m,H-2) ,
1. 77 (1H,m,H-3) ,1. 64 (1H,m,H-1b) ,1. 35 (3H,
s,H-19) ,1. 27 (3H,s,H-20)。以上数据与文献[14]
报道的 16-降-7,15-二氧代脱氢松香酸数据基本一
致,故化合物 2 鉴定为 16-降-7,15-二氧代脱氢松香
酸。
化合物 3 无色油状物;1H NMR (CD3OD,400
MHz)δ:7. 43 (1H,d,J = 2. 0 Hz,H-14) ,7. 34
(1H,dd,J = 8. 4,2. 0 Hz,H-12) ,7. 25 (1H,d,J =
8. 4 Hz,H-11) ,4. 72 (1H,d,J = 3. 2 Hz,H-7) ,
2. 54 (1H,dd,J = 12. 8,2. 0 Hz,H-5) ,2. 36 (1H,
brd,J = 12. 8 Hz,H-1a) ,2. 11 (1H,d,J = 4. 4 Hz,
H-6a) ,1. 93 (1H,dd,J = 12. 8,4. 0 Hz,H-3a) ,1. 83
(1H,m,H-2a) ,1. 75 (1H,m,H-2b) ,1. 67 (1H,m,
H-3b) ,1. 64 (1H,m,H-6b) ,1. 50 (3H,s,H-16) ,
1. 50 (3H,s,H-17) ,1. 48 (1H,m,H-1b) ,1. 26
06 天然产物研究与开发 Vol. 27
(3H,s,H-19) ,1. 15 (3H,s,H-20) ;13 C NMR
(CD3OD,100 MHz)δ:182. 2 (s,C-18) ,148. 8 (s,C-
9) ,148. 1 (s,C-13) ,136. 7 (s,C-8) ,127. 6 (d,C-
14) ,125. 5 (d,C-12) ,124. 8 (d,C-11) ,72. 8 (s,C-
15) ,68. 5 (d,C-7) ,48. 3 (s,C-4) ,40. 9 (d,C-5) ,
39. 0 (t,C-1) ,38. 5 (s,C-10) ,37. 6 (t,C-3) ,32. 3
(t,C-6) ,31. 8 (q,C-17) ,31. 8 (q,C-16) ,24. 7 (q,
C-20) ,19. 7 (t,C-2) ,17. 1 (q,C-19)。以上数据与
文献[15]报道的 7α,15-二羟基脱氢松香酸数据基本
一致,故化合物 3 鉴定为 7α,15-二羟基脱氢松香
酸。
化合物 4 无色油状物;1H NMR (CDCl3,400
MHz)δ:7. 99 (1H,d,J = 2. 0 Hz,H-14) ,7. 69
(1H,dd,J = 8. 4,2. 0 Hz,H-12) ,7. 30 (1H,d,J =
8. 4 Hz,H-11) ,3. 59 (3H,s,-COOMe) ,1. 51 (3H,s,
H-16) ,1. 51 (3H,s,H-17) ,1. 28 (3H,s,H-20) ,
1. 20 (3H,s,H-19)。以上数据与文献[16]报道的 15-
羟基-7-氧代脱氢松香酸甲酯数据基本一致,故化合
物 4 鉴定为 15-羟基-7-氧代脱氢松香酸甲酯。
化合物 5 无色油状物;1H NMR (CDCl3,400
MHz)δ:4. 82 (1H,brs,H-17a) ,4. 48 (1H,brs,H-
17b) ,3. 66 (2H,brt,J = 6. 5 Hz,H-15) ,1. 23 (3H,
s,H-19) ,0. 58 (3H,s,H-20) ;13 C NMR (CDCl3,100
MHz)δ:183. 2 (s,C-19) ,148. 2 (s,C-8) ,106. 4 (t,
C-17) ,61. 2 (t,C-15) ,56. 5 (d,C-9) ,56. 3 (d,C-
5) ,44. 1 (s,C-4) ,40. 5 (s,C-10) ,39. 5 (t,C-14) ,
39. 1 (t,C-1) ,38. 7 (t,C-7) ,37. 9 (t,C-3) ,36. 3
(t,C-12) ,30. 2 (d,C-13) ,29. 0 (q,C-18) ,26. 0 (t,
C-6) ,21. 1 (t,C-11) ,19. 9 (t,C-2) ,19. 8 (q,C-
16) ,12. 7 (q,C-20)。以上数据与文献[17]报道的南
洋杉醇数据基本一致,故化合物 5 鉴定为南洋杉酸。
化合物 6 无色油状物;1H NMR (CDCl3,400
MHz)δ:5. 01 (1H,brs,H-15a) ,4. 94 (1H,brs,H-
15b) ,4. 15 (1H,dd,J = 10. 0,4. 5 Hz,H-9) ,3. 07
(1H,td,J = 10. 0,7. 5 Hz,H-2) ,2. 60 (1H,dt,J =
14. 0,4. 5 Hz,H-7b) ,2. 43 (1H,m,H-11b) ,2. 29
(1H,td,J = 11. 5,2. 0 Hz,H-11a) ,2. 22 (1H,tdd,J
= 11. 5,9. 0,1. 5 Hz,H-10b) ,2. 06 (1H,t,J = 10. 0
Hz,H-3b) ,2. 02 (1H,m,H-10a) ,1. 86 (1H,m,H-
5) ,1. 86 (1H,m,H-7a) ,1. 73 (2H,m,H-6) ,1. 42
(1H,dd,J = 10. 0,7. 5 Hz,H-3a) ,1. 02 (1H,s,H-
13) ,1. 01 (1H,s,H-14)。以上数据与文献[18]报道
的异考布松数据基本一致,故化合物 6 鉴定为异考
布松。
化合物 7 白色粉末状;1H NMR (CD3OD,600
MHz)δ:7. 23 (1H,d,J = 2. 0 Hz,H-6) ,6. 68 (1H,
d,J = 2. 5 Hz,H-5) ,6. 59 (1H,d,J = 2. 5 Hz,H-
3) ,6. 35 (1H,d,J = 2. 0 Hz,H-4) ,2. 75 (3H,s,H-
7)。以上数据与文献[19]报道的交链孢酚数据基本
一致,故化合物 7 鉴定为交链孢酚。
化合物 8 无色油状物;1H NMR (CDCl3,500
MHz)δ:6. 82 (1H,d,J = 7. 0 Hz,H-5) ,6. 79 (1H,
d,J = 8. 0 Hz,H-5) ,6. 61 (1H,s,H-2) ,6. 59 (1H,
d,J = 7. 0 Hz,H-6) ,6. 49 (1H,dd,J = 8. 0,1. 5 Hz,
H-6) ,6. 40 (1H,d,J = 1. 5 Hz,H-2) ,5. 59 (2H,
brs,Ar-OH) ,4. 14 (1H,dd,J = 9. 0,7. 0 Hz,H-9
a) ,3. 87 (1H,dd,J = 9. 0,7. 0 Hz,H-9 b) ,3. 80
(3H ×2,s,-OMe) ,2. 93 (1H,dd,J = 14. 0,5. 5 Hz,
H-7a) ,2. 88 (1H,dd,J = 14. 0,7. 0 Hz,H-7b) ,2. 61
(1H,m,H-7b) ,2. 56 (1H,m,H-8) ,2. 53 (1H,m,
H-7a) ,2. 47 (1H,m,H-8) ;13 C NMR (CDCl3,100
MHz)δ:178. 8 (s,C-9) ,146. 6 (s,C-3) ,146. 5 (s,
C-3) ,144. 4 (s,C-4) ,144. 3 (s,C-4) ,129. 7 (s,C-
1) ,129. 5 (s,C-1) ,122. 0 (d,C-6) ,121. 3 (d,C-
6) ,114. 3 (d,C-5) ,114. 0 (d,C-5) ,111. 4 (d,C-
2) ,110. 1 (d,C-2) ,71. 3 (t,C-9) ,55. 8 (q,-
OMe) ,55. 7 (q,-OMe) ,46. 5 (d,C-8) ,40. 9 (d,C-
8) ,34. 5 (t,C-7) ,38. 2 (t,C-7)。以上数据与文
献[20]报道的罗汉松脂素数据基本一致,故化合物 8
鉴定为罗汉松脂素。
化合物 9 无色油状物;1H NMR (CDCl3,400
MHz)δ:6. 77 ~ 6. 95 (6H,m,Ar-H) ,5. 60,5. 58
(2H,s,Ar-OH) ,4. 85 (1H,d,J = 5. 2 Hz,H-7) ,
4. 42 (1H,d,J = 7. 2 Hz,H-7) ,3. 92 (3H,s,-
OMe) ,3. 90 (3H,s,-OMe)。以上数据与文献[21]报
道的(+)-表松脂素数据基本一致,故化合物 9 鉴定
为(+)-表松脂素。
化合物 10 无色油状物;1H NMR (CD3OD,400
MHz)δ:7. 38 (1H,d,J = 2. 0 Hz,H-2) ,7. 10 (1H,
dd,J = 8. 0,2. 0 Hz,H-6) ,6. 89 (1H,d,J = 8. 0
Hz,H-5) ,5. 92 (1H,d,J = 2. 0 Hz,H-8) ,5. 88
(1H,d,J = 2. 0 Hz,H-6) ,4. 98 (1H,d,J = 11. 6
Hz,H-2) ,4. 57 (1H,d,J = 11. 6 Hz,H-3) ,4. 82
(1H,d,J = 7. 6 Hz,H-1) ,3. 88 (1H,dd,J =
12. 0,2. 0 Hz,H-6a) ,3. 67 (1H,d,J = 6. 0 Hz,H-
6b) ,3. 51 (1H,dd,J = 9. 2,7. 7 Hz,H-2) ,3. 46
16Vol. 27 刘 爽等:云南松松塔的化学成分研究
(1H,t,J = 9. 3 Hz,H-3) ,3. 43 (1H,m,H-5) ,
3. 37 (1H,t,J = 9. 1 Hz,H-4) ;13C NMR (CD3OD,
100 MHz)δ:198. 4 (s,C-4) ,168. 7 (s,C-7) ,165. 3
(s,C-9) ,164. 4 (s,C-5) ,148. 9 (s,C-4) ,146. 5
(s,C-3) ,130. 0 (s,C-1) ,124. 6 (d,C-6) ,118. 1
(d,C-2) ,116. 8 (d,C-5) ,104. 0 (d,C-1) ,101. 8
(s,C-10) ,97. 3 (d,C-8) ,96. 3 (d,C-6) ,84. 9 (d,
C-2) ,78. 3 (d,C-5) ,77. 6 (d,C-3) ,74. 9 (d,C-
2) ,73. 5 (d,C-3) ,71. 5 (d,C-4) ,62. 5 (t,C-
6)。以上数据与文献[22]报道的二氢槲皮素 3-O-
葡萄糖甙数据基本一致,故化合物 10 鉴定为二氢槲
皮素 3-O-葡萄糖甙。
化合物 11 白色粉末状;1H NMR (CD3OD,500
MHz)δ:7. 46 (2H,d,J = 7. 5 Hz,H-2,H-6) ,7. 28
(2H,t,J = 7. 5 Hz,H-3,H-5) ,7. 18 (1H,t,J =
7. 5 Hz,H-4) ,6. 99 (1H,d,J = 16. 5 Hz,H-7) ,
6. 95 (1H,d,J = 16. 5 Hz,H-8) ,6. 45 (2H,d,J =
2. 0 Hz,H-2,H-6) ,6. 15 (1H,t,J = 2. 0 Hz,H-4)。
以上数据与文献[23]报道的数据基本一致,故化合物
11 鉴定为赤松素。
化合物 12 无色油状物;1H NMR (CDCl3,500
MHz)δ:7. 29 (2H,s,H-2,H-6) ,7. 20 (2H,s,H-
3,H-5) ,7. 19 (1H,s,H-4) ,6. 59 (1H,d,J =
12. 0 Hz,H-8) ,6. 49 (1H,d,J = 12. 0 Hz,H-7) ,6. 38
(1H,s,H-4) ,6. 30 (1H,s,H-6) ,6. 26 (1H,s,H-
2) ,4. 72 (1H,brs,Ar-OH) ,3. 63 (3H,s,-OMe)。以
上数据与文献[24]报道的(Z)-3-羟基-5-甲氧基二苯
乙烯数据基本一致,故化合物 12 鉴定为(Z)-3-羟
基-5-甲氧基二苯乙烯。
化合物 13 黄色油状物;1H NMR (CDCl3,500
MHz)δ:9. 64 (1H,d,J = 7. 5 Hz,H-3) ,7. 39 (1H,
d,J = 16. 0 Hz,H-1) ,7. 13 (1H,d,J = 8. 0,2. 0
Hz,H-6) ,7. 06 (1H,d,J = 2. 0Hz,H-2) ,6. 96 (1H,
d,J = 8. 0 Hz,H-5) ,6. 59 (1H,dd,J = 16. 0,8. 0
Hz,H-2) ,6. 06 (1H,s,Ar-OH) ,3. 94 (3H,s,
-OMe)。以上数据与文献[25]报道的数据基本一致,
故化合物 13 鉴定为松柏醛。
参考文献
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(下转第 66 页)
26 天然产物研究与开发 Vol. 27
报道一致[10],故化合物 10 鉴定为丁香脂素。
化合物 11 无色透明胶状物。分子式为 C20
H22O6,ESI-MS m / z:739[2M + Na]
+。1H NMR (300
MHz,CD3OD)δ:6. 94 (2H,d,J = 1. 5 Hz,H-2,2) ,
6. 80 (2H,dd,J = 8. 2,1. 6 Hz,H-6,6) ,6. 76 (2H,
d,J = 8. 1 Hz,H-5,5) ,4. 69 (2H,d,J = 4. 4 Hz,H-
7,7) ,4. 22 (2H,dd,J = 9. 0,6. 8 Hz,Ha-9,9) ,
3. 84 (6H,s,3,3-OCH3) ,3. 81 (2H,m,Hb-9,9) ,
3. 12 (2H,m,H-8,8) ;13 C NMR (75 MHz,CD3OD)
δ:133. 9 (C-1,1) ,111. 1 (C-2,2) ,147. 4 (C-3,
3) ,149. 2 (C-4,4) ,116. 2 (C-5,5) ,120. 2 (C-6,
6) ,87. 6 (C-7,7) ,55. 5 (C-8,8) ,72. 7 (C-9,
9) ,56. 5 (3,3-OCH3)。以上数据与文献报道一
致[10],故化合物 11 鉴定为松脂素。
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