Article(id=1198656212683293627, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1198656209390764948, articleNumber=null, orderNo=null, doi=10.16438/j.0513-4870.2023-0152, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1676304000000, receivedDateStr=2023-02-14, revisedDate=1679241600000, revisedDateStr=2023-03-20, acceptedDate=null, acceptedDateStr=null, onlineDate=1763711511058, onlineDateStr=2025-11-21, pubDate=1697040000000, pubDateStr=2023-10-12, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1763711511058, onlineIssueDateStr=2025-11-21, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1763711511058, creator=13701087609, updateTime=1763711511058, updator=13701087609, issue=Issue{id=1198656209390764948, tenantId=1146029695717560320, journalId=1189982191388893191, year='2023', volume='58', issue='10', pageStart='2835', pageEnd='3150', issueExtLink='null', onlineDate='null', pubDate='1697040000000', pubDateStr='2023-10-12', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1763711510274, creator='13701087609', updateTime=1763711659007, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1198656833280897539, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1198656209390764948, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1198656833280897540, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1198656209390764948, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=3065, endPage=3069, ext={EN=ArticleExt(id=1198656214004499407, articleId=1198656212683293627, tenantId=1146029695717560320, journalId=1189982191388893191, language=EN, title=Two new 2,3-seco triterpenoids from Rubus pirifolius Smith, columnId=null, journalTitle=Acta Pharmaceutica Sinica, columnName=null, runingTitle=null, highlight=null, articleAbstract=

Eight compounds were isolated from the ethyl acetate fraction of the 80% aqueous ethanol extract of the roots and stems of Rubus pirifolius Smith by AB-8 macroporous resin, silica gel, ODS, Sephadex LH-20 column chromatography, and semi-preparative HPLC. Their structures were identified by spectral analysis such as 1D/2D NMR, MS, UV, IR and by comparison with literature information as rubussecotriterpene A (1), rubussecotriterpene B (2), cecropiacic acid (3), cecropiacic acid 3-methyl ester (4), alphitolic acid (5), betulinic acid (6), betulin (7), and obtusalin (8). Compounds 1 and 2 are new compounds, and compounds 3-8 were isolated from this plant for the first time.

, authors=null, authorsList=Xiao-yan NING, Mei-fang HUANG, Qin-qin LIANG, Xu FENG, Chen-yan LIANG, Jian-fang FENG, Liu-ping WANG, Jian-hua WEI, authorCompany=null, correspAuthors=Liu-ping WANG, Jian-hua WEI, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2023 Acta Pharmaceutica Sinica. All rights reserved., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1198656215233429520, articleId=1198656212683293627, tenantId=1146029695717560320, journalId=1189982191388893191, language=CN, title=红簕钩中两个新的2,3-裂环三萜酸, columnId=1190335348896011050, journalTitle=药学学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=

运用大孔树脂、硅胶、ODS和Sephadex LH-20等柱色谱, 结合半制备液相、TLC等分离方法对红簕钩80%乙醇提取物的乙酸乙酯部位分离纯化得到8个三萜类化合物。通过1D/2D NMR、MS、UV、IR等波谱数据和与文献对比确定化合物的结构, 分别鉴定为悬钩子裂环三萜A (1)、悬钩子裂环三萜B (2)、号角树酸(3)、号角树酸-3-甲酯(4)、麦珠子酸(5)、白桦酯酸(6)、白桦脂醇(7)和obtusalin (8)。其中, 化合物12为新化合物, 化合物3~8为首次从该植物中分离得到。

, authors=null, authorsList=宁小燕, 黄美芳, 梁沁沁, 冯旭, 梁臣艳, 奉建芳, 王柳萍, 韦建华, authorCompany=null, correspAuthors=王柳萍, 韦建华, authorNote=null, correspAuthorsNote=
*王柳萍, Tel: 18607713396, E-mail: ;
韦建华, Tel: 13977166476, E-mail:
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No. 1 2
δH (J in Hz) δC, mult. δH (J in Hz) δC, mult.
1 2.31 (1H, d, 18.2)
2.36 (1H, d, 18.3)
42.8 (t) 2.31 (2H, s) 42.7 (t)
2 175.1 (s) 175.2 (s)
3 181.2 (s) 181.3 (s)
4 47.4 (s) 47.4 (s)
5 2.54 (1H, br d, 11.4) 49.8 (d) 2.54 (1H, m) 49.8 (d)
6 1.56 (1H, overlapped)
1.47 (1H, overlapped)
22.3 (t) 1.56 (1H, overlapped)
1.50 (1H, m)
22.3 (t)
7 1.59 (1H, overlapped)
1.30 (1H, m)
33.4 (t) 1.58 (1H, overlapped)
1.27 (1H, m)
33.2 (t)
8 41.0 (s) 40.6 (s)
9 2.79 (1H, dd, 10.6, 7.3) 40.3 (d) 2.86 (1H, t, 9.1) 40.8 (d)
10 42.7 (s) 42.9 (s)
11 1.97 (2H, m) 24.9 (t) 1.94 (2H, dd, 9.1, 3.5) 25.0 (t)
12 5.29 (1H, t, 3.4) 129.5 (d) 5.31 (1H, t, 3.5) 124.9 (d)
13 139.8 (s) 144.4 (s)
14 43.3 (s) 43.3 (s)
15 1.76 (1H, m)
1.03 (1H, m)
29.7 (t) 0.98 (1H, overlapped)
1.03 (1H, overlapped)
29.6 (t)
16 2.55 (1H, dd, 13.3, 4.3)
1.50 (1H, m)
26.7 (t) 2.24 (1H, dd, 14.5, 3.2)
1.57 (1H, overlapped)
28.7 (t)
17 49.1 (s) 46.8 (s)
18 2.49 (1H, br s) 55.1 (d) 3.05 (1H, br s) 45.2 (d)
19 73.5 (s) 3.24 (1H, d, 3.7) 82.4 (d)
20 1.32 (1H, m) 43.1 (d) 36.0 (s)
21 1.73 (1H, overlapped)
1.20 (1H, m)
27.3 (t) 1.74 (1H, overlapped)
1.61 (1H, overlapped)
29.6 (t)
22 1.71 (1H, overlapped)
1.62 (1H, overlapped)
38.9 (t) 1.74 (1H, overlapped)
1.59 (1H, overlapped)
33.99 (t)
23 1.25 (3H, s) 27.9 (q) 1.25 (3H, s) 28.0 (q)
24 1.24 (3H, overlapped) 24.5 (q) 1.23 (3H, overlapped) 24.6 (q)
25 1.01 (3H, s) 19.6 (q) 1.00 (3H, s) 19.6 (q)
26 0.80 (3H, s) 17.3 (q) 0.77 (3H, s) 17.4 (q)
27 1.35 (3H, s) 24.3 (q) 1.31 (3H, s) 24.5 (q)
28 182.3 (s) 182.4 (s)
29 1.17 (3H, s) 27.1 (q) 0.91 (3H, s) 28.6 (q)
30 0.91 (3H, d, 6.7) 16.6 (q) 0.95 (3H, s) 25.2 (q)
1′ 4.15 (1H, dq, 10.9, 7.1)
3.97 (1H, dq, 10.9, 7.1)
61.8 (t) 4.15 (1H, dq, 10.8, 7.1)
3.96 (1H, dq, 10.8, 7.1)
61.8 (t)
2′ 1.23 (3H, overlapped) 14.2 (q) 1.22 (3H, overlapped) 14.2 (q)
), ArticleFig(id=1198960244698218969, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1198656212683293627, language=CN, label=Table 1, caption=

1H NMR (500 MHz) and 13C NMR (125 MHz) data of compounds 1 and 2 in CD3OD

, figureFileSmall=null, figureFileBig=null, tableContent=
No. 1 2
δH (J in Hz) δC, mult. δH (J in Hz) δC, mult.
1 2.31 (1H, d, 18.2)
2.36 (1H, d, 18.3)
42.8 (t) 2.31 (2H, s) 42.7 (t)
2 175.1 (s) 175.2 (s)
3 181.2 (s) 181.3 (s)
4 47.4 (s) 47.4 (s)
5 2.54 (1H, br d, 11.4) 49.8 (d) 2.54 (1H, m) 49.8 (d)
6 1.56 (1H, overlapped)
1.47 (1H, overlapped)
22.3 (t) 1.56 (1H, overlapped)
1.50 (1H, m)
22.3 (t)
7 1.59 (1H, overlapped)
1.30 (1H, m)
33.4 (t) 1.58 (1H, overlapped)
1.27 (1H, m)
33.2 (t)
8 41.0 (s) 40.6 (s)
9 2.79 (1H, dd, 10.6, 7.3) 40.3 (d) 2.86 (1H, t, 9.1) 40.8 (d)
10 42.7 (s) 42.9 (s)
11 1.97 (2H, m) 24.9 (t) 1.94 (2H, dd, 9.1, 3.5) 25.0 (t)
12 5.29 (1H, t, 3.4) 129.5 (d) 5.31 (1H, t, 3.5) 124.9 (d)
13 139.8 (s) 144.4 (s)
14 43.3 (s) 43.3 (s)
15 1.76 (1H, m)
1.03 (1H, m)
29.7 (t) 0.98 (1H, overlapped)
1.03 (1H, overlapped)
29.6 (t)
16 2.55 (1H, dd, 13.3, 4.3)
1.50 (1H, m)
26.7 (t) 2.24 (1H, dd, 14.5, 3.2)
1.57 (1H, overlapped)
28.7 (t)
17 49.1 (s) 46.8 (s)
18 2.49 (1H, br s) 55.1 (d) 3.05 (1H, br s) 45.2 (d)
19 73.5 (s) 3.24 (1H, d, 3.7) 82.4 (d)
20 1.32 (1H, m) 43.1 (d) 36.0 (s)
21 1.73 (1H, overlapped)
1.20 (1H, m)
27.3 (t) 1.74 (1H, overlapped)
1.61 (1H, overlapped)
29.6 (t)
22 1.71 (1H, overlapped)
1.62 (1H, overlapped)
38.9 (t) 1.74 (1H, overlapped)
1.59 (1H, overlapped)
33.99 (t)
23 1.25 (3H, s) 27.9 (q) 1.25 (3H, s) 28.0 (q)
24 1.24 (3H, overlapped) 24.5 (q) 1.23 (3H, overlapped) 24.6 (q)
25 1.01 (3H, s) 19.6 (q) 1.00 (3H, s) 19.6 (q)
26 0.80 (3H, s) 17.3 (q) 0.77 (3H, s) 17.4 (q)
27 1.35 (3H, s) 24.3 (q) 1.31 (3H, s) 24.5 (q)
28 182.3 (s) 182.4 (s)
29 1.17 (3H, s) 27.1 (q) 0.91 (3H, s) 28.6 (q)
30 0.91 (3H, d, 6.7) 16.6 (q) 0.95 (3H, s) 25.2 (q)
1′ 4.15 (1H, dq, 10.9, 7.1)
3.97 (1H, dq, 10.9, 7.1)
61.8 (t) 4.15 (1H, dq, 10.8, 7.1)
3.96 (1H, dq, 10.8, 7.1)
61.8 (t)
2′ 1.23 (3H, overlapped) 14.2 (q) 1.22 (3H, overlapped) 14.2 (q)
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红簕钩中两个新的2,3-裂环三萜酸
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宁小燕 1, 2 , 黄美芳 1 , 梁沁沁 1 , 冯旭 1, 2 , 梁臣艳 1, 2, 3 , 奉建芳 3 , 王柳萍 1, 3, * , 韦建华 1, 2, 3, *
药学学报 | 研究论文 2023,58(10): 3065-3069
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药学学报 |研究论文 2023 , 58 (10) : 3065 -3069
红簕钩中两个新的2,3-裂环三萜酸
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College of Pharmacy, Guangxi University of Chinese Medicine, Nanning 530200, China
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2. Key Laboratory of TCM Extraction and Purification and Quality Analysis, Education Department of Guangxi Zhuang Autonomous Region, Nanning 530200, China
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2.广西高校中药提取纯化与质量分析重点实验室, 广西 南宁 530200
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宁小燕1, 2, 黄美芳1, 梁沁沁1, 冯旭1, 2, 梁臣艳1, 2, 3, 奉建芳3, 王柳萍1, 3, * , 韦建华1, 2, 3, *
作者信息
  • 1.广西中医药大学药学院, 广西 南宁 530200
  • 2.广西高校中药提取纯化与质量分析重点实验室, 广西 南宁 530200
  • 3.广西优势中成药与民族药开发工程技术研究中心, 广西 南宁 530200
通讯作者:
*王柳萍, Tel: 18607713396, E-mail: ;
韦建华, Tel: 13977166476, E-mail:
Two new 2,3-seco triterpenoids from Rubus pirifolius Smith
Xiao-yan NING1, 2, Mei-fang HUANG1, Qin-qin LIANG1, Xu FENG1, 2, Chen-yan LIANG1, 2, 3, Jian-fang FENG3, Liu-ping WANG1, 3, * , Jian-hua WEI1, 2, 3, *
Affiliations
  • 1. College of Pharmacy, Guangxi University of Chinese Medicine, Nanning 530200, China
  • 2. Key Laboratory of TCM Extraction and Purification and Quality Analysis, Education Department of Guangxi Zhuang Autonomous Region, Nanning 530200, China
  • 3. Guangxi Superior Chinese Patent Medicine and National Medicine Development Engineering Technology Research Center, Nanning 530200, China
出版时间: 2023-10-12 doi: 10.16438/j.0513-4870.2023-0152
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运用大孔树脂、硅胶、ODS和Sephadex LH-20等柱色谱, 结合半制备液相、TLC等分离方法对红簕钩80%乙醇提取物的乙酸乙酯部位分离纯化得到8个三萜类化合物。通过1D/2D NMR、MS、UV、IR等波谱数据和与文献对比确定化合物的结构, 分别鉴定为悬钩子裂环三萜A (1)、悬钩子裂环三萜B (2)、号角树酸(3)、号角树酸-3-甲酯(4)、麦珠子酸(5)、白桦酯酸(6)、白桦脂醇(7)和obtusalin (8)。其中, 化合物12为新化合物, 化合物3~8为首次从该植物中分离得到。

红簕钩  /  2,3-裂环三萜  /  化学成分

Eight compounds were isolated from the ethyl acetate fraction of the 80% aqueous ethanol extract of the roots and stems of Rubus pirifolius Smith by AB-8 macroporous resin, silica gel, ODS, Sephadex LH-20 column chromatography, and semi-preparative HPLC. Their structures were identified by spectral analysis such as 1D/2D NMR, MS, UV, IR and by comparison with literature information as rubussecotriterpene A (1), rubussecotriterpene B (2), cecropiacic acid (3), cecropiacic acid 3-methyl ester (4), alphitolic acid (5), betulinic acid (6), betulin (7), and obtusalin (8). Compounds 1 and 2 are new compounds, and compounds 3-8 were isolated from this plant for the first time.

Rubus pirifolius Smith  /  2,3-seco triterpene  /  chemical composition
宁小燕, 黄美芳, 梁沁沁, 冯旭, 梁臣艳, 奉建芳, 王柳萍, 韦建华. 红簕钩中两个新的2,3-裂环三萜酸. 药学学报, 2023 , 58 (10) : 3065 -3069 . DOI: 10.16438/j.0513-4870.2023-0152
Xiao-yan NING, Mei-fang HUANG, Qin-qin LIANG, Xu FENG, Chen-yan LIANG, Jian-fang FENG, Liu-ping WANG, Jian-hua WEI. Two new 2,3-seco triterpenoids from Rubus pirifolius Smith[J]. Acta Pharmaceutica Sinica, 2023 , 58 (10) : 3065 -3069 . DOI: 10.16438/j.0513-4870.2023-0152
红簕钩为蔷薇科悬钩子属植物梨叶悬钩子(Rubus pirifolius Smith.) 的根和茎, 又称之为去湿王、铜罗紧、黄钻等, 是一种攀援灌木, 主要分布于广西、广东、四川等地[1]。在中国民间常用于治疗风湿性关节痛、肝脾肿大、腹泻、肺热咳嗽、月经不调等证, 具有活血止血、祛风散寒、消肿止痛的功效, 享有“祛湿王”的美誉, 多为壮族、瑶族、傈僳族药用[2-4]。作为广西民族特色药材, 资源优势, 疗效确切, 具有巨大的药用开发潜力。目前国内外对红簕钩的研究较少。前期, 本课题组从红簕钩中发现三萜、鞣质和甾醇等成分[5], 为了进一步阐明红簕钩的药效物质基础, 寻找具有生物活性的化合物, 本实验对红簕钩的三萜类化学成分进行研究, 本实验综合运用各种现代色谱和光谱技术, 从其80%乙醇提取物的乙酸乙酯部位中分离到了8个三萜类化合物(图 1), 分别鉴定为悬钩子裂环三萜A (1)、悬钩子裂环三萜B (2)、号角树酸(3)、号角树酸-3-甲酯(4)、麦珠子酸(5)、白桦脂酸(6)、白桦脂醇(7) 和obtusalin (8)。其中化合物12为新化合物, 化合物3~8为首次从该植物中分离得到。
化合物1  白色粉末, 溶于甲醇, [α]$ {}_{\mathrm{D}}^{20} $ +25.2 (c 0.23, MeOH); HR-ESI-MS给出准分子离子峰m/z: 545.337 9 [M-H]- (C32H49O7, 计算值为545.347 8), 推测其分子式为C32H50O7, 计算其不饱和度为8。化合物11H NMR谱(表 1) 中可以观察到8个甲基信号[δH 1.35 (3H, s)、1.25 (3H, s)、1.24 (3H, overlapped)、1.23 (3H, overlapped)、1.17 (3H, s)、1.01 (3H, s)、0.91 (3H, d, J = 6.7 Hz)、0.80 (3H, s)], 其中δH 0.91提示该化合物为乌苏烷型三萜, 而δH 1.23 (3H, overlapped) 和一对氧化的亚甲基信号[δH 4.15 (1H, dq, J = 10.9, 7.1 Hz)、3.97 (1H, dq, J = 10.9, 7.1 Hz)] 的出现, 说明结构中存在1个乙氧基, H2-1′/Me-2′之间的1H-1H COSY相关(图 2) 充分证明了这一点。除了乙氧基信号[δC 61.8 (t, C-1′) 和14.2 (q, C-2′)] 外, 化合物1的碳谱(表 1) 中显示有30个碳信号, 包括7个甲基、8个亚甲基、5个次甲基[包括1个双键次甲基信号δC 129.5 (d, C-12)], 以及10个季碳[包括2个羧基信号δC 182.3 (s, C-28) 和175.1 (s, C-2)、1个酯羰基信号δC 181.2 (s, C-3)、1个双键季碳信号δC 139.8 (s, C-13) 和1个连氧季碳信号δC 73.5 (s, C-19)], 其中δC 139.8和129.5为乌苏烷型三萜的特征双键信号。仔细对比发现, 化合物1的上述数据与两个2,3-裂环乌苏烷型三萜: 化合物3 (号角树酸) 和化合物4 (号角树酸-3-甲酯) 的数据非常相似。其中化合物31的区别在于化合物1中乙氧基的出现, 以及C-3位(δC 183.2→181.2) 化学位移的变化, 这说明化合物1中乙氧基取代在C-3位。HMBC谱(图 2) 中, H2-1′/C-3之间的相关峰充分证明了这一连接。由于化合物1为乌苏烷型三萜C-2/3位的裂环产物, 从同源生物合成角度考虑, 其相对构型与乌苏烷型三萜完全一致, 由ROESY谱(图 2) 得到证实。综合以上信息, 确定化合物1结构为2,3-seco, 19α-hydroxy-urs-12-ene-2, 3, 28-trioic acid 3-ethyl ester, 命名为悬钩子裂环三萜A (rubussecotriterpene A)。
化合物2  白色粉末, 溶于甲醇, [α]$ {}_{\mathrm{D}}^{20} $ +29.5 (c 0.07, MeOH); HR-ESI-MS给出准分子离子峰m/z: 545.338 1 [M-H]- (C32H49O7, 计算值为545.347 8), 推测其分子式为C32H50O7, 计算其不饱和度为8。化合物21H NMR谱(表 1) 中可以观察到8个甲基信号[δH 1.31 (3H, s)、1.25 (3H, s)、1.23 (3H, overlapped)、1.22 (3H, overlapped)、1.00 (3H, s)、0.95 (3H, s)、0.91 (3H, s)、0.77 (3H, s)], 其中δH 1.22 (3H, overlapped) 和一对氧化的亚甲基信号[δH 4.15 (1H, dq, J = 10.8, 7.1 Hz)、3.96 (1H, dq, J = 10.8, 7.1 Hz)] 的出现, 说明结构中存在1个乙氧基, H2-1′/Me-2′之间的1H-1H COSY相关(图 3) 充分证明了这一点, 而HMBC谱(图 3) 中H2-1′/C-3之间的相关峰提示该乙氧基结构连接在C-3位。除了乙氧基信号[δC 61.8 (t, C-1′) 和14.2 (q, C-2′)] 外, 化合物2的碳谱(表 1) 中显示有30个碳信号, 包括7个甲基、8个亚甲基、5个次甲基[包括1个双键次甲基信号δC 124.9 (d, C-12) 和1个含氧取代次甲基信号δC 82.4 (d, C-19)], 以及10个季碳[包括2个羧基信号δC 182.4 (s, C-28) 和175.2 (s, C-2)、1个酯羰基信号δC 181.3 (s, C-3) 和1个双键季碳信号δC 144.4 (s, C-13)], 其中δC 144.4和124.9为齐墩果烷型三萜的特征双键信号。通过仔细比对, 发现其与化合物1的数据较相似, 不同之处在于, 化合物1是乌苏烷型三萜母核, 而化合物2为齐墩果烷型母核。化合物2的相对构型是通过ROESY实验确定的。ROESY谱(图 3) 中H-19/H-30相关, 提示C-19位OH为α构型。综合以上信息, 确定化合物2结构为2,3-seco, 19α-hydroxy-olean-12-ene-2, 3, 28-trioic acid 3-ethyl ester, 命名为悬钩子裂环三萜B (rubussecotriterpene B)。
安捷伦G6230型飞行时间质谱仪(美国Agilent公司); 布鲁克AVANCE III 500MHz型核磁共振波谱仪(德国Bruker公司); 赛默飞世尔NICOLET iS10型中红外光谱仪(美国赛默飞世尔公司); 岛津LC-20AR及LC-16P型半制备液相色谱仪、岛津LC-2030 PLUS型高效液相色谱仪、岛津UV2401PC型紫外可见分光光度仪(日本岛津公司); 中低压半制备-REVELERIS X2型液相色谱仪(美国格雷斯戴维森公司); YMC-Pack ODS-A柱(250 mm × 4.6 mm, 5 μm, 日本株式会社维美希上海代表处); Hypersil GOLDTM C18柱(250 mm × 10 mm, 5 μm, 美国赛默飞世尔公司); BP211D型电子分析天平(德国赛多利斯公司); 旋转蒸发仪(EYELA OSB-2100、OSB-2200, 上海爱朗仪器有限公司); ZF-6型三用紫外分析仪(上海嘉鹏科技有限公司); LH-20羟丙基葡聚糖凝胶(Sephadex LH-20, 美国Pharmacia公司); ODS反相硅胶(40~60 μm, 天津博纳艾杰尔科技有限公司); 大孔吸附树脂(AB-8, 天津市光复精细化工研究所); 柱色谱硅胶(100~200目、200~300目, 国药集团化学试剂有限公司); 硅胶薄层板(50 mm × 100 mm等, 青岛海洋化工有限公司); 甲醇、乙腈(色谱纯, Fisher); 所用常规试剂均为分析纯(四川西陇科学有限公司)。
红簕钩于2021年1月采于广西都安, 经广西中医药大学廖月葵高级实验师鉴定为蔷薇科悬钩子属植物梨叶悬钩子Rubus pirifolius Smith的根和茎, 标本(RPS-202101) 存于广西中医药大学中药化学实验室。
干燥红簕钩粗粉50.0 kg, 采用10倍量80%乙醇回流提取3次(2、2、1 h), 减压浓缩得到总浸膏(8.2 kg)。总浸膏加适量水悬浮, 依次用石油醚(60~90 ℃)、乙酸乙酯、正丁醇萃取, 回收溶剂后得到石油醚部位浸膏44.4 g, 乙酸乙酯部位浸膏823.5 g, 正丁醇部位浸膏3 691.2 g和水部位浸膏3 487.8 g。
乙酸乙酯部位浸膏700.0 g, 经AB-8大孔树脂柱色谱分离, 依次用水、20%乙醇、30%乙醇、40%乙醇、60%乙醇、80%乙醇、95%乙醇洗脱, 得到10个组分Fr.A~Fr.J。Fr.I (27.0g) 经硅胶柱色谱分离, 以氯仿-甲醇(49∶1~0∶1) 梯度洗脱, 得到7个组分Fr.I-1~Fr.I-7。将Fr.I-1与Fr.I-2合并(13.0 g) 后经硅胶柱色谱分离, 以石油醚-乙酸乙酯(20∶1~0∶1) 梯度洗脱, 得到8个组分Fr.I-1-1~Fr.I-1-8, 其中Fr.I-1-4析出的白色粉末(0.22 g) 经Sephadex LH-20 (氯仿-甲醇, 1∶1) 柱色谱, 依次得到组分Fr.I-1-4-1和化合物6 (5.6 mg); Fr.I-1-4-1经半制备高效液相(甲醇-水, 88∶12) 纯化, 得到化合物7 (tR = 19.7 min; 3.4 mg) 和8 (tR = 25.2 min; 3.4 mg)。Fr.I-1-8 (4.9 g) 经ODS中低压柱色谱分离, 以甲醇-水(30∶70~90∶10) 梯度洗脱, 得到8个组分(Fr.I-1-8-1~Fr.I-1-8-8)。Fr.I-1-8-3 (0.93 g) 经硅胶(石油醚-乙酸乙酯, 10∶1~2∶1) 柱色谱和半制备高效液相(乙腈-水, 43∶57) 纯化, 得到化合物3 (tR = 30.3 min; 7.3 mg)。Fr.I-1-8-4 (1.21 g) 经硅胶柱色谱分离, 以石油醚-乙酸乙酯(7∶1~1∶1) 梯度洗脱, 得到8个组分Fr.I-1-8-4-1~Fr.I-1-8-4-8。Fr.I-1-8-4-4经半制备高效液相(甲醇-水, 67∶33) 第一次分离得到5个组分Fr.I-1-8-4-4-(1)~Fr.I-1-8-4-4-(5)。Fr.I-1-8-4-4-(2) 经半制备高效液相(乙腈-水, 44∶56) 第二次纯化, 得到化合物4 (tR = 34.2 min; 12.5 mg)。Fr.I-1-8-4-4-(4) 经半制备高效液相(乙腈-水, 48∶52) 第二次纯化, 得到化合物1 (tR = 32.9 min; 11.7 mg) 和2 (tR = 34.4 min; 2.7 mg)。Fr.I-3 (3.6 g) 依次经ODS (甲醇-水, 60∶40~100∶0) 和硅胶(石油醚-乙酸乙酯, 4∶1~1∶1) 柱色谱多步得到Fr.I-3-4-4。Fr.I-3-4-4经半制备高效液相(甲醇-水, 80∶20) 纯化, 得到化合物5 (tR = 17.3 min; 3.0 mg)。
化合物1  白色粉末(甲醇), [α]$ {}_{\mathrm{D}}^{20} $ +25.2 (c 0.23, MeOH); ESI-MS m/z 545 [M-H]-; HR-ESI-MS m/z 545.337 9 [M-H]- (C32H49O7, 计算值为545.347 8); UV (MeOH) λmax (log ε): 205.2 nm (3.73)。IR (KBr) νmax: 3 442、2 934、2 878、1 701、1 633 cm-11H NMR (500 MHz, CD3OD) 和13C NMR (125 MHz, CD3OD) 数据见表 1
化合物2  白色粉末(甲醇), [α]$ {}_{\mathrm{D}}^{20} $ +29.5 (c 0.07, MeOH); ESI-MS m/z 545 [M-H]-; HR-ESI-MS m/z 545.338 1 [M-H]- (C32H49O7, 计算值为545.347 8); UV (MeOH) λmax (log ε): 205.4 nm (3.77)。IR (KBr) νmax: 3 442、2 930、2 876、1 701、1 634 cm-11H NMR (500 MHz, CD3OD) 和13C NMR (125 MHz, CD3OD) 数据见表 1
化合物3  白色粉末(甲醇), ESI-MS m/z 517 [M-H]-, 分子式为C30H46O7。该化合物的1H NMR (500 MHz, CD3OD) 和13C NMR (125 MHz, CD3OD) 数据与文献[6]的号角树酸基本一致。
化合物4  白色粉末(甲醇), ESI-MS m/z 531 [M-H]-, 分子式为C31H48O7。该化合物的1H NMR (500 MHz, CD3OD) 和13C NMR (125 MHz, CD3OD) 数据与文献[7]的号角树酸-3-甲酯基本一致。
化合物5  白色粉末(甲醇), ESI-MS m/z 471 [M-H]-, 分子式为C30H48O4。该化合物的1H NMR (500 MHz, CD3OD) 和13C NMR (125 MHz, CD3OD) 数据与文献[8]的麦珠子酸基本一致。
化合物6  白色粉末(氯仿), ESI-MS m/z 455 [M-H]-, 分子式为C30H48O3。该化合物的1H NMR (500 MHz, C5D5N) 和13C NMR (125 MHz, C5D5N) 数据与文献[9, 10]的白桦脂酸基本一致。
化合物7  白色粉末(甲醇), ESI-MS m/z 465 [M+Na]+, 分子式为C30H50O2。该化合物的1H NMR (500 MHz, CD3OD) 和13C NMR (125 MHz, CD3OD) 数据与文献[11]的白桦脂醇基本一致。
化合物8  白色粉末(甲醇), ESI-MS m/z 465 [M+Na]+, 分子式为C30H50O2。该化合物的1H NMR (500 MHz, CD3OD) 和13C NMR (125 MHz, CD3OD) 数据与文献[12]的obtusalin基本一致。
作者贡献: 宁小燕负责进行实验、结构鉴定和撰写论文; 黄美芳和梁沁沁协助进行实验; 冯旭、梁臣艳和奉建芳负责实验的设计、课题的指导和论文框架的构建; 王柳萍为本文的共同通讯作者, 负责实验的整体设计把关和文章审阅; 韦建华是本文的共同通讯作者, 全程指导实验设计、结构解析和稿件修改, 并最终定稿。
利益冲突: 所有作者均声明不存在利益冲突。
  • 国家重点研究计划项目(2019YFC1712304)
  • 广西科技基地和人才专项(桂科AD20238058)
  • 广西中医药管理局科研课题(GXZYZ20210068)
  • 广西壮瑶药重点实验室项目(GXZYKF2022-16)
  • 广西中医药大学科研项目(2020ZD002)
  • 广西中医药大学研究生教育创新计划项目(YCXJ2021020)
  • 国家级大学生创新创业训练计划项目(202110600013)
  • 广西中医药大学一方制药大学生科技创新课题项目(2021DXS44)
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Ruan J, Sun F, Hao M, et al. Structurally diverse triterpenes obtained from the fruits of Ziziphus jujuba Mill. as inflammation inhibitors by NF-κB signaling pathway[J]. Food Funct, 2021, 12: 4496-4503.
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Lu M, Zhou YQ, Jiang JQ. Chemical constituents in n-butyl alcohol extract from Paeonia anomala subsp. anomala[J]. Asia-Pac Trad Med (亚太传统医药), 2019, 15: 60-63. https://www.cnki.com.cn/Article/CJFDTOTAL-YTCT202310041.htm
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Wang GS, Chen YP, Xu JD, et al. Isolation and structure elucidation of cirensenosides O and P from the leaves of Oplopanax elatus Nakai[J]. Acta Pharm Sin (药学学报), 1996, 31: 940-944. http://www.yxxb.com.cn/aps/cn/article/id/37a8963f-9cf3-4570-bddb-2bdabccd91a7
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Tao YW, Tian Y, Xu WD, et al. Terpenoids from Euphorbia micractina[J]. Acta Pharm Sin (药学学报), 2016, 51: 411-419. http://www.yxxb.com.cn/aps/cn/article/doi/10.16438/j.0513-4870.2015-0724
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Siddiqui S, Siddiqui BS, Naeed A, et al. Pentacyclic triterpenoids from the leaves of Plumeria obtusa[J]. Phytochemistry, 1989, 28: 3143-3147.
2023年第58卷第10期
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doi: 10.16438/j.0513-4870.2023-0152
  • 接收时间:2023-02-14
  • 首发时间:2025-11-21
  • 出版时间:2023-10-12
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  • 收稿日期:2023-02-14
  • 修回日期:2023-03-20
基金
国家重点研究计划项目(2019YFC1712304)
广西科技基地和人才专项(桂科AD20238058)
广西中医药管理局科研课题(GXZYZ20210068)
广西壮瑶药重点实验室项目(GXZYKF2022-16)
广西中医药大学科研项目(2020ZD002)
广西中医药大学研究生教育创新计划项目(YCXJ2021020)
国家级大学生创新创业训练计划项目(202110600013)
广西中医药大学一方制药大学生科技创新课题项目(2021DXS44)
作者信息
    1.广西中医药大学药学院, 广西 南宁 530200
    2.广西高校中药提取纯化与质量分析重点实验室, 广西 南宁 530200
    3.广西优势中成药与民族药开发工程技术研究中心, 广西 南宁 530200

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*王柳萍, Tel: 18607713396, E-mail: ;
韦建华, Tel: 13977166476, E-mail:
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2种不同金属材料的力学参数

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Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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