Article(id=1308467765447254097, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1308467640138227885, articleNumber=null, orderNo=null, doi=10.16438/j.0513-4870.2025-0545, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1746979200000, receivedDateStr=2025-05-12, revisedDate=1752681600000, revisedDateStr=2025-07-17, acceptedDate=null, acceptedDateStr=null, onlineDate=1789892625437, onlineDateStr=2026-09-20, pubDate=1760198400000, pubDateStr=2025-10-12, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789892625437, onlineIssueDateStr=2026-09-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789892625437, creator=13701087609, updateTime=1789892625437, updator=13701087609, issue=Issue{id=1308467640138227885, tenantId=1146029695717560320, journalId=1189982191388893191, year='2025', volume='60', issue='10', pageStart='2913', pageEnd='3262', issueExtLink='null', onlineDate='null', pubDate='1760198400000', pubDateStr='2025-10-12', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789892595562, creator='13701087609', updateTime=1789893273356, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1308470483071033443, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1308467640138227885, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1308470483071033444, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1308467640138227885, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=3146, endPage=3151, ext={EN=ArticleExt(id=1308467765669552210, articleId=1308467765447254097, tenantId=1146029695717560320, journalId=1189982191388893191, language=EN, title=A pair of new diarylheptanoid enantiomers from bulbils of Dioscorea opposite Thunb., columnId=1190335348761793317, journalTitle=Acta Pharmaceutica Sinica, columnName=Original Articles, runingTitle=null, highlight=null, articleAbstract=

Nine compounds were isolated and identified as (±)-diosniponol G (1), neo-olivil (2), isolariciresinol (3), bombasin (4), isoschaftoside (5), saponarin (6), apigenin 6-C-α-L-arabinopyranosyl-7-O-β-D-glucopyranoside (7), 2-hydroxy-3, 5, 7-trimethoxy-9, 10-dihydrophenanthrene (8), and albibrissinoside B (9) from bulbils of Dioscorea opposite Thunb. by multiple column chromatographic methods including Diaion HP-20, MCI gel CHP-20, and Sephadex LH-20. Compound 1 was a new pair of diarylheptanoid enantiomers, and the other compounds were isolated from D. opposite for the first time. The α-glucosidase inhibitory activities of the isolates were screened, and no compound exhibited significantly inhibitory activity against α-glucosidase at the concentration of 100 μmol·L-1.

, authors=Yan-gang CAO1, 2, Meng-huan GUO1, 2, Yi-xin ZHAO1, 2, Yan-ling LIU1, 2, Xu CHEN1, 2, Xiao-ke ZHENG1, 2, *, Wei-sheng FENG1, 2, *, authorsList=Yan-gang CAO, Meng-huan GUO, Yi-xin ZHAO, Yan-ling LIU, Xu CHEN, Xiao-ke ZHENG, Wei-sheng FENG, authorCompany=null, correspAuthors=Xiao-ke ZHENG, Wei-sheng FENG, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2025 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=1308467766466469977, articleId=1308467765447254097, tenantId=1146029695717560320, journalId=1189982191388893191, language=CN, title=零余子中一对新的二苯基庚烷对映体, columnId=1190335348896011050, journalTitle=药学学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=

零余子为薯蓣科植物薯蓣Dioscorea opposite Thunb.的叶腋下株芽。本研究采用Diaion HP-20、MCI gel CHP-20、Sephadex LH-20等多种色谱技术结合半制备高效液相分离纯化, 从零余子中分离得到9个化合物, 采用核磁共振谱、质谱等手段鉴定所得化合物的结构, 分别为(±)-diosniponol G (1)、neo-olivil (2)、异落叶松脂素(3)、bombasin (4)、异夏佛塔苷(5)、皂草黄苷(6)、芹菜素-6-C-α-L-阿拉伯糖-7-O-β-D-葡萄糖苷(7)、2-hydroxy-3, 5, 7-trimethoxy-9, 10-dihydrophenanthrene (8)、albibrissinoside B (9)。其中, 化合物1为一对新的二苯基庚烷对映体, 其他化合物均为首次从薯蓣中分离得到。筛选了化合物1~9的α-葡萄糖苷酶抑制活性, 发现所有化合物在100 μmol·L-1浓度下均未表现出明显的抑制活性。

, authors=曹彦刚1, 2, 郭孟焕1, 2, 赵怡欣1, 2, 刘晏灵1, 2, 陈旭1, 2, 郑晓珂1, 2, *, 冯卫生1, 2, *, authorsList=曹彦刚, 郭孟焕, 赵怡欣, 刘晏灵, 陈旭, 郑晓珂, 冯卫生, authorCompany=null, correspAuthors=郑晓珂, 冯卫生, authorNote=

作者贡献:

曹彦刚负责化合物结构鉴定及论文撰写; 郭梦焕负责化合物分离工作; 赵怡欣负责化合物活性筛选; 刘晏灵、陈旭对化合物提取分离和结构鉴定提供一定帮助; 郑晓珂、冯卫生为通讯作者, 负责实验的指导和设计, 并对论文进行审阅和定稿。

, correspAuthorsNote=
郑晓珂, E-mail:
冯卫生, E-mail:
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No.1Diosniponol A
δH (J in Hz)δCδH (J in Hz)δC
14.59, d (10.7)72.14.28, dd (11.0, 2.0)78.2
2a2.08, m44.12.10, dddd (12.0, 4.0, 2.0, 2.0)44.5
2b1.48, m1.38, ddd (11.0, 11.0, 11.0)
34.07, m65.23.85, m68.5
4a1.90, m38.81.96, dddd (12.0, 4.0, 2.0, 2.0)42.2
4b1.65, m1.20, ddd (12.0, 11.0, 11.0)
54.11, m74.43.44, dddd (11.0, 8.0, 4.5, 2.0)75.6
6a2.22, m34.21.84, m39.1
6b1.74, m1.76, m
7a2.62, m33.02.69, m32.1
7b2.55, m2.63, m
1′135.4135.7
2′6.96, d (1.8)111.17.08, d (2.0)110.6
3′148.8148.1
4′147.1146.6
5′6.76, d (8.1)115.96.78, d (8.5)115.4
6′6.81, dd (8.1, 1.8)120.26.85, dd (8.5, 2.0)119.5
1″134.8134.5
2″6.77, d (1.7)113.36.79, d (2.0)112.9
3″148.9148.2
4″145.6145.5
5″6.69, d (8.0)116.16.71, d (8.0)115.6
6″6.63, dd (8.0, 1.7)121.86.64, dd (8.0, 2.0)121.6
3′-OCH33.85, s56.43.84, s56.3
3″-OCH33.79, s56.33.79, s56.2
), ArticleFig(id=1308497950414823889, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1308467765447254097, language=CN, label=Tab.1, caption=

1H NMR (500 MHz) and 13C NMR (125 MHz) data of compound 1 (CD3OD) and diosniponol A ((CD3)2CO)

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No.1Diosniponol A
δH (J in Hz)δCδH (J in Hz)δC
14.59, d (10.7)72.14.28, dd (11.0, 2.0)78.2
2a2.08, m44.12.10, dddd (12.0, 4.0, 2.0, 2.0)44.5
2b1.48, m1.38, ddd (11.0, 11.0, 11.0)
34.07, m65.23.85, m68.5
4a1.90, m38.81.96, dddd (12.0, 4.0, 2.0, 2.0)42.2
4b1.65, m1.20, ddd (12.0, 11.0, 11.0)
54.11, m74.43.44, dddd (11.0, 8.0, 4.5, 2.0)75.6
6a2.22, m34.21.84, m39.1
6b1.74, m1.76, m
7a2.62, m33.02.69, m32.1
7b2.55, m2.63, m
1′135.4135.7
2′6.96, d (1.8)111.17.08, d (2.0)110.6
3′148.8148.1
4′147.1146.6
5′6.76, d (8.1)115.96.78, d (8.5)115.4
6′6.81, dd (8.1, 1.8)120.26.85, dd (8.5, 2.0)119.5
1″134.8134.5
2″6.77, d (1.7)113.36.79, d (2.0)112.9
3″148.9148.2
4″145.6145.5
5″6.69, d (8.0)116.16.71, d (8.0)115.6
6″6.63, dd (8.0, 1.7)121.86.64, dd (8.0, 2.0)121.6
3′-OCH33.85, s56.43.84, s56.3
3″-OCH33.79, s56.33.79, s56.2
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零余子中一对新的二苯基庚烷对映体
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曹彦刚 1, 2 , 郭孟焕 1, 2 , 赵怡欣 1, 2 , 刘晏灵 1, 2 , 陈旭 1, 2 , 郑晓珂 1, 2, * , 冯卫生 1, 2, *
药学学报 | 研究论文 2025,60(10): 3146-3151
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药学学报 |研究论文 2025 , 60 (10) : 3146 -3151
零余子中一对新的二苯基庚烷对映体
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曹彦刚1, 2, 郭孟焕1, 2, 赵怡欣1, 2, 刘晏灵1, 2, 陈旭1, 2, 郑晓珂1, 2, * , 冯卫生1, 2, *
作者信息
  • 1河南中医药大学药学院, 河南 郑州 450046
  • 2河南省中药开发工程技术研究中心, 河南 郑州 450046
通讯作者:
郑晓珂, E-mail:
冯卫生, E-mail:
作者简介:

作者贡献:

曹彦刚负责化合物结构鉴定及论文撰写; 郭梦焕负责化合物分离工作; 赵怡欣负责化合物活性筛选; 刘晏灵、陈旭对化合物提取分离和结构鉴定提供一定帮助; 郑晓珂、冯卫生为通讯作者, 负责实验的指导和设计, 并对论文进行审阅和定稿。

A pair of new diarylheptanoid enantiomers from bulbils of Dioscorea opposite Thunb.
Yan-gang CAO1, 2, Meng-huan GUO1, 2, Yi-xin ZHAO1, 2, Yan-ling LIU1, 2, Xu CHEN1, 2, Xiao-ke ZHENG1, 2, * , Wei-sheng FENG1, 2, *
Affiliations
  • 1School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China
  • 2The Engineering and Technology Center for Chinese Medicine Development of Henan Province, Zhengzhou 450046, China
出版时间: 2025-10-12 doi: 10.16438/j.0513-4870.2025-0545
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零余子为薯蓣科植物薯蓣Dioscorea opposite Thunb.的叶腋下株芽。本研究采用Diaion HP-20、MCI gel CHP-20、Sephadex LH-20等多种色谱技术结合半制备高效液相分离纯化, 从零余子中分离得到9个化合物, 采用核磁共振谱、质谱等手段鉴定所得化合物的结构, 分别为(±)-diosniponol G (1)、neo-olivil (2)、异落叶松脂素(3)、bombasin (4)、异夏佛塔苷(5)、皂草黄苷(6)、芹菜素-6-C-α-L-阿拉伯糖-7-O-β-D-葡萄糖苷(7)、2-hydroxy-3, 5, 7-trimethoxy-9, 10-dihydrophenanthrene (8)、albibrissinoside B (9)。其中, 化合物1为一对新的二苯基庚烷对映体, 其他化合物均为首次从薯蓣中分离得到。筛选了化合物1~9的α-葡萄糖苷酶抑制活性, 发现所有化合物在100 μmol·L-1浓度下均未表现出明显的抑制活性。

零余子  /  薯蓣科  /  分离鉴定  /  二苯基庚烷类

Nine compounds were isolated and identified as (±)-diosniponol G (1), neo-olivil (2), isolariciresinol (3), bombasin (4), isoschaftoside (5), saponarin (6), apigenin 6-C-α-L-arabinopyranosyl-7-O-β-D-glucopyranoside (7), 2-hydroxy-3, 5, 7-trimethoxy-9, 10-dihydrophenanthrene (8), and albibrissinoside B (9) from bulbils of Dioscorea opposite Thunb. by multiple column chromatographic methods including Diaion HP-20, MCI gel CHP-20, and Sephadex LH-20. Compound 1 was a new pair of diarylheptanoid enantiomers, and the other compounds were isolated from D. opposite for the first time. The α-glucosidase inhibitory activities of the isolates were screened, and no compound exhibited significantly inhibitory activity against α-glucosidase at the concentration of 100 μmol·L-1.

bulbils of Dioscorea opposite Thunb.  /  Dioscoreaceae  /  isolation and identification  /  diarylheptanoid
曹彦刚, 郭孟焕, 赵怡欣, 刘晏灵, 陈旭, 郑晓珂, 冯卫生. 零余子中一对新的二苯基庚烷对映体. 药学学报, 2025 , 60 (10) : 3146 -3151 . DOI: 10.16438/j.0513-4870.2025-0545
Yan-gang CAO, Meng-huan GUO, Yi-xin ZHAO, Yan-ling LIU, Xu CHEN, Xiao-ke ZHENG, Wei-sheng FENG. A pair of new diarylheptanoid enantiomers from bulbils of Dioscorea opposite Thunb.[J]. Acta Pharmaceutica Sinica, 2025 , 60 (10) : 3146 -3151 . DOI: 10.16438/j.0513-4870.2025-0545
薯蓣属Dioscorea系薯蓣科Dioscoreaceae最大的属, 该属植物我国共有55种, 主要分布于西南和东南部地区[1]。薯蓣Dioscorea opposita Thunb.是薯蓣属中重要的药用植物之一, 其干燥根茎为山药, 是中医临床常用的补虚药, 山药味甘、性平, 归脾、肺、肾经, 具有补脾养胃、生津益肺的功效[2]。此外, 薯蓣的叶腋下株芽, 即零余子, 又称山药蛋, 具有较高的营养价值和药用价值, 《本草纲目》中记载零余子“煮熟去皮食之, 胜于山药, 美于芋子。晒干功用强于薯蓣”[3]。薯蓣属植物主要含有甾体类[4, 5]、黄酮类[6, 7]、菲类[8, 9]、萜类[10]等化学成分, 其生物活性主要集中在抗炎[4, 8, 10]、抗氧化[9]、抗肿瘤[5, 11]、神经保护[8]、免疫调节[12]等方面。目前, 对零余子的研究相对较少, 本课题组前期对零余子的化学成分开展了系统研究, 从中分离得到了生物碱类、黄酮类及二苯基庚烷类成分[13-15]。为进一步明确其化学内涵, 阐明其药效物质基础, 本研究继续对零余子的化学成分进行研究, 并从中分离得到9个化合物(图1), 包括一对二苯基庚烷对映体[(±)-1]、3个木脂素类化合物(2~4)、3个黄酮类化合物(5~7)、1个菲类化合物(8) 和1个酚苷类化合物(9)。其中, 化合物(±)-1为一对新的二苯基庚烷对映体, 其他化合物均为首次从薯蓣中分离得到。
化合物1为无色蜡状固体, 通过其13C NMR、DEPT谱及HRESIMS (m/z 397.162 5 [M+Na]+, 计算值397.162 7) 确定该化合物的分子式为C21H26O6, 不饱和度为9。1H NMR谱中显示两个1, 3, 4-三取代苯环上的氢信号[δH 6.96 (1H, d, J = 1.8 Hz, H-2′), 6.81 (1H, dd, J = 8.1, 1.8 Hz, H-6′), 6.77 (1H, d, J = 1.7 Hz, H-2″), 6.76 (1H, d, J = 8.1 Hz, H-5′), 6.69 (1H, d, J = 8.0 Hz, H-5″), 6.63 (1H, dd, J = 8.0, 1.7 Hz, H-6″)], 3个连氧次甲基氢信号[δH 4.59 (1H, d, J = 10.7 Hz, H-1), 4.11 (1H, dd, J = 10.1, 5.1 Hz, H-5), 4.07 (1H, m, H-3)] 和两个甲氧基氢信号[δH 3.85 (3H, s, 3′-OCH3), 3.79 (3H, s, 3″-OCH3)]。13C NMR谱中显示21个碳信号, 其中δC 148.9 (C-3″), 148.8 (C-3′), 147.1 (C-4′), 145.6 (C-4″), 135.4 (C-1′), 134.8 (C-1″) 为苯环上的季碳信号; δC 121.8 (C-6″), 120.2 (C-6′), 116.1 (C-5″), 115.9 (C-5′), 113.3 (C-2″), 111.1 (C-2′) 为苯环上的叔碳信号; δC 74.4 (C-5), 72.1 (C-1), 65.2 (C-3) 为连氧次甲基碳信号; δC 56.4 (3′-OCH3), 56.3 (3″-OCH3) 为甲氧基碳信号。以上核磁数据与文献[16]报道的diosniponol A基本一致, 但C-1~C-6的化学位移存在明显差异, 说明化合物1可能是diosniponol A的差向异构体, 通过解析化合物1的1H-1H COSY和HMBC谱也证实了这一推论(图2)。
通过分析该化合物结构中氢的偶合常数和NOE相关确定其相对构型。H-1的偶合常数为10.7 Hz, 说明H-1处于竖直键上。NOE谱中, H-1与H-3、H-1与H2-6、H-3与H2-6分别有相关信号, 提示H-3和C-6也处于竖直键上, 且H-1、H-3、C-6处于环的同侧(图2)。测试化合物1的比旋度及ECD图谱时发现, 其比旋度为0, ECD谱中无明显信号, 提示该化合物为外消旋体。利用CHIRALPAK® IC手性柱对其进行拆分, 得到一对对映体(+)-1和(-)-1, 测定比旋度发现它们的比旋度分别为+2.0和-2.1。应用Gaussian16软件在DFT ωB97XD/def2-TZVP水平下对(1R, 3S, 5S)-1和(1S, 3R, 5R)-1的构象进行几何优化, 并在TD-DFT ωB97XD/def2-TZVP水平下对优势构象进行ECD图谱计算。然后将计算图谱与测试图谱进行比对, 发现(1R, 3S, 5S)-1和(1S, 3R, 5R)-1的计算图谱分别与(+)-1和(-)-1的测试图谱一致(图3), 提示(+)-1和(-)-1的绝对构型分别为(1R, 3S, 5S) 和(1S, 3R, 5R)。经检索发现, 该对映体为新化合物, 分别命名为(+)-diosniponol G和(-)-diosniponol G, 其碳氢核磁数据归属见表1。
化合物1~9在浓度为100 μmol·L-1时, 未发现有化合物表现出明显的α-葡萄糖苷酶的抑制活性。
薯蓣是一种药食两用的植物, 其根茎(山药) 既可作药用, 也可作为日常食材, 其叶腋下株芽(山药蛋) 也可食用。有研究表明, 薯蓣地上部分具有降血糖和降血脂作用, 其机制可能与上调磷脂酰肌醇-3-激酶/蛋白激酶B (PI3K/Akt) 信号通路、抑制蛋白酪氨酸磷酸酶1B (PTP1B) 表达有关, 从中分离得到的菲类、薯蓣皂苷类等成分也具有降血糖和降血脂活性[17]。山药能够显著降低糖尿病大鼠空腹血糖和糖化血红蛋白水平, 提高胰岛素和肝糖原水平, 改善糖耐量和胰岛素敏感性[18]。α-葡萄糖苷酶是治疗糖尿病的重要靶点之一, 抑制α-葡萄糖苷酶活性, 能阻止多糖水解为葡萄糖, 从而减少小肠对葡萄糖的吸收, 发挥降糖作用。课题组前期研究发现, 从零余子中分离得到的二苯基庚烷类化合物表现出一定的α-葡萄糖苷酶抑制活性[15]。因此, 本研究继续对从零余子分离得到的9个化合物进行了α-葡萄糖苷酶抑制活性筛选, 但它们均无明显的活性。本研究虽然未发现有化合物表现出α-葡萄糖苷酶抑制活性, 但可丰富对薯蓣中二苯基庚烷类、木脂素类及黄酮类成分的认识, 也可为后续其他生物活性研究奠定基础。
仪器设备   鲁道夫AP-Ⅳ旋光仪(美国鲁道夫公司); Chirascan qCD圆二色谱仪(英国应用物理公司); Thermo EVO 300紫外光谱仪和Thermo Nicolet IS 10红外光谱仪(美国Thermo公司); 布鲁克maXis HD质谱仪和Avance Ⅲ 500核磁共振仪(德国布鲁克公司); EYELA N-1100型旋转蒸发仪(上海爱朗仪器有限公司); 赛谱锐思LC50半制备高效液相色谱仪(北京赛谱锐思科技有限公司); YMC-Pack ODS-A半制备色谱柱(日本YMC公司); CHIRALPAK® IC手性柱(日本大赛璐公司)。
试剂与材料   Diaion HP-20填料、MCI gel CHP-20填料(70~150 μm, 日本三菱公司); ODS填料(50 μm, 日本YMC公司); Sephadex LH-20填料(美国GE公司); Toyopearl HW-40C (日本东曹公司); 硅胶(160~200目、200~300目, 青岛海洋化工公司); 色谱纯甲醇(天津四友精细化工有限公司); 色谱纯乙腈(美国TEDIA公司); 分析纯甲醇、二氯甲烷、乙酸乙酯、乙醇(天津富宇精细化工有限公司)。文中所述洗脱剂比例均为体积比, 所用展开剂为不同比例二氯甲烷∶甲醇或不同比例乙酸乙酯∶乙醇∶水, 所用薄层色谱显色剂为茴香醛∶硫酸∶乙醇= 1∶2∶100。
零余子于2017年3月采自河南省温县, 由河南中医药大学董诚明教授鉴定为薯蓣科植物薯蓣Dioscorea opposita的叶腋下株芽。
取零余子60 kg, 粉碎后, 用50%丙酮(240 L) 组织破碎提取两次, 合并提取液, 减压浓缩, 得到粗浸膏(7.2 kg)。粗浸膏用水稀释到适当浓度, 经Diaion HP-20大孔吸附树脂柱分离, 依次用水、10%、20%、30%、40%、50%、60%、70%乙醇洗脱, 薄层色谱检识, 合并相同组分, 得到8个洗脱组分Fr. 1~8。Fr.4 (15.1 g) 经MCI gel CHP-20柱分离, 依次用水、10%、20%、30%、40%、50%、60%、80%、100%甲醇洗脱, 薄层色谱检识, 合并相同组分, 得到4个子流分Fr. 4-1~4-4。Fr.4-4 (3.1 g) 经ODS柱分离, 依次用10%、20%、30%、40%、50%、60%、80%、100%甲醇洗脱, 薄层色谱检识, 合并相同组分, 得到6个子流分Fr. 4-4-1~4-4-6。Fr.4-4-6 (64.9 mg) 经半制备高效液相纯化(甲醇-水32∶68) 得到化合物9 (13.7 mg, tR = 17.5 min)。Fr.6 (40.1 g) 经Sephadex LH-20柱分离, 依次用10%、30%、50%、70%、100%甲醇洗脱, 薄层色谱检识, 合并相同组分, 得到4个子流分Fr. 6-1~6-4。Fr. 6-3 (362.2 mg) 经Toyopearl HW-40C柱分离, 用30%甲醇洗脱, 得到3个子流分Fr. 6-3-1~6-3-3。Fr. 6-3-2 (119.3 mg) 经半制备高效液相纯化(甲醇-水73∶37) 得到化合物5 (9.6 mg, tR = 15.5 min)、6 (11.3 mg, tR = 19.9 min) 和7 (6.5 mg, tR = 22.3 min)。Fr.8 (11.8 g) 经硅胶柱分离, 依次用二氯甲烷-甲醇100∶0、80∶20、60∶40、40∶60、0∶100洗脱, 薄层色谱检识, 合并相同组分, 得到11个子流分Fr. 8-1~8-11。Fr.8-4 (1.8 g) 经Sephadex LH-20柱分离, 依次用10%、30%、70%、100%甲醇洗脱, 薄层色谱检识, 合并相同组分, 得到6个子流分Fr. 8-4-1~8-4-6。Fr. 8-4-3 (130.2 mg) 经半制备高效液相纯化(甲醇-水44∶56) 得到化合物2 (4.2 mg, tR = 18.2 min)、3 (3.3 mg, tR = 21.3 min) 和4 (2.7 mg, tR = 22.6 min)。Fr. 8-4-4 (48.9 mg) 经半制备高效液相纯化(甲醇-水53∶47) 得到化合物8 (4.6 mg, tR = 19.4 min)。Fr. 8-4-5 (87.5 mg) 经半制备高效液相纯化(甲醇-水48∶52) 得到化合物1 (3.4 mg, tR = 26.8 min)。化合物1经CHIRALPAK® IC手性柱拆分后得到(+)-1 (1.5 mg) 和(-)-1 (1.6 mg)。
化合物1为黄色蜡状固体, 溶于甲醇。UV (MeOH) λmax: 209, 227, 280 nm; IR (iTR) νmax: 3 339, 1 645, 1 517, 1 019, 683 cm-1; HR-ESI-MS m/z 397.162 5 [M+Na]+ (计算值397.162 7), 分子式为C21H26O6, 不饱和度为9; 1H和13C NMR数据见表1; (+)-1 [α]$ {}_{\mathrm{D}}^{20} $ +2.0 (c 0.15, MeOH), ECD (MeOH) λmax (Δε): 202 (+2.2), 231 (-25.6), 280 nm (-2.6); (-)-1 [α]$ {}_{\mathrm{D}}^{20} $ –2.1 (c 0.15, MeOH), ECD (MeOH) λmax (Δε): 231 (+20.7), 280 nm (+1.9)。
化合物2为白色无定形粉末, ESI-MS m/z 377.2 [M+H]+, 分子式为C20H24O7, 不饱和度为9。1H NMR (500 MHz, CD3OD) δH 7.02 (2H, br. s, H-2, 2′), 6.86 (2H, d, J = 8.0 Hz, H-6, 6′), 6.78 (2H, d, J = 8.0 Hz, H-5, 5′), 4.92 (2H, d, J = 7.1 Hz, H-7, 7′), 3.87 (6H, s, 3, 3′-OCH3), 3.69 (2H, dd, J = 11.0 Hz, H-9a, 9′a), 3.60 (2H, dd, J = 11.0, 3.4 Hz, H-9b, 9′b), 2.31 (2H, m, H-8, 8′); 13C NMR (125 MHz, CD3OD) δC 134.9 (C-1, 1′), 111.2 (C-2, 2′), 149.1 (C-3, 3′), 147.4 (C-4, 4′), 116.0 (C-5, 5′), 120.5 (C-6, 6′), 84.4 (C-7, 7′), 55.4 (C-8, 8′), 61.8 (C-9, 9′), 56.4 (3, 3′-OCH3)。对照文献[19]数据, 鉴定该化合物为neo-olivil。
化合物3为白色无定形粉末, ESI-MS m/z 361.2 [M+H]+, 分子式为C20H24O6, 不饱和度为9。1H NMR (500 MHz, CD3OD) δH 6.73 (1H, d, J = 8.0 Hz, H-5′), 6.67 (1H, d, J = 1.9 Hz, H-2′), 6.65 (1H, s, H-2), 6.61 (1H, dd, J = 8.0, 1.8 Hz, H-6′), 6.17 (1H, s, H-5), 3.80 (3H, s, 3′-OCH3), 3.80 (1H, overlap, H-7′), 3.77 (3H, s, 3-OCH3), 3.70 (1H, dd, J = 10.9, 4.8 Hz, H-9a), 3.65 (1H, overlap, H-9b), 3.65 (1H, overlap, H-9′a), 3.39 (1H, dd, J = 11.3, 4.0 Hz, H-9′b), 2.77 (2H, d, J = 7.7 Hz, H-7), 1.99 (1H, m, H-8), 1.75 (1H, m, H-8′); 13C NMR (125 MHz, CD3OD) δC 129.0 (C-1), 112.4 (C-2), 147.2 (C-3), 145.3 (C-4), 117.4 (C-5), 134.2 (C-6), 33.6 (C-7), 40.0 (C-8), 65.9 (C-9), 138.6 (C-1′), 113.8 (C-2′), 149.0 (C-3′), 146.0 (C-4′), 116.0 (C-5′), 123.2 (C-6′), 48.1 (C-7′), 48.0 (C-8′), 62.2 (C-9′), 56.3 (3-OCH3), 56.4 (3′-OCH3)。对照文献[20]数据, 鉴定该化合物为异落叶松脂素。
化合物4为白色无定形粉末, ESI-MS m/z 345.1 [M+H]+, 分子式为C19H20O6, 不饱和度为10。1H NMR (500 MHz, CD3OD) δH 7.63 (1H, d, J = 1.4 Hz, H-6′), 7.54 (1H, d, J = 1.4 Hz, H-2′), 6.94 (1H, d, J = 1.8 Hz, H-2), 6.82 (1H, d, J = 8.2, 1.8 Hz, H-6), 6.77 (1H, d, J = 8.2 Hz, H-5), 5.63 (1H, d, J = 6.4 Hz, H-7), 3.91 (3H, s, 3′-OCH3), 3.85 (2H, m, H-9), 3.81 (3H, s, 3-OCH3), 3.57 (1H, dd, J = 12.2, 6.1 Hz, H-8), 2.56 (3H, s, H-8′); 13C NMR (125 MHz, CD3OD) δC 133.8 (C-1), 110.6 (C-2), 149.1 (C-3), 147.7 (C-4), 116.2 (C-5), 119.8 (C-6), 90.4 (C-7), 54.6 (C-8), 64.6 (C-9), 132.1 (C-1′), 113.7 (C-2′), 145.6 (C-3′), 154.5 (C-4′), 130.4 (C-5′), 120.5 (C-6′), 199.3 (C-7′), 26.5 (C-8′), 56.4 (3-OCH3), 56.7 (3′-OCH3)。对照文献[21]数据, 鉴定该化合物为bombasin。
化合物5为淡黄色无定形粉末, ESI-MS m/z 587.1 [M+Na]+, 分子式为C26H28O14, 不饱和度为13。1H NMR (500 MHz, DMSO-d6) δH 13.80 (1H, br. s, 5-OH), 8.23 (2H, d, J = 8.2 Hz, H-2′, 6′), 6.91 (2H, d, J = 8.2 Hz, H-3′, 5′), 6.84 (1H, s, H-3); 13C NMR (125MHz, DMSO-d6) δC 161.2 (C-2), 102.2 (C-3), 182.3 (C-4), 161.2 (C-5), 109.1 (C-6), 164.1 (C-7), 104.9 (C-8), 155.1 (C-9), 102.2 (C-10), 121.1 (C-1′), 129.5 (C-2′, 6′), 116.0 (C-3′, 5′), 158.3 (C-4′), 74.8 (C-1″), 74.6 (C-2″), 71.1 (C-3″), 68.5 (C-4″), 68.3 (C-5″), 73.7 (C-1‴), 69.4 (C-2‴), 79.2 (C-3‴), 69.1 (C-4‴), 80.5 (C-5‴), 60.8 (C-6‴)。对照文献[22]数据, 鉴定该化合物为异夏佛塔苷。
化合物6为淡黄色无定形粉末, ESI-MS m/z 617.1 [M+Na]+, 分子式为C27H30O15, 不饱和度为13。1H NMR (500 MHz, DMSO-d6) δH 7.96 (2H, d, J = 7.5 Hz, H-2′, 6′), 6.94 (2H, d, J = 7.5 Hz, H-3′, 5′), 6.89 (1H, s, H-8), 6.87 (1H, s, H-3), 4.97 (1H, d, J = 6.5 Hz, H-1‴), 4.72 (1H, d, J = 9.7 Hz, H-1″); 13C NMR (125 MHz, DMSO-d6) δC 164.4 (C-2), 103.2 (C-3), 182.3 (C-4), 159.5 (C-5), 110.7 (C-6), 162.6 (C-7), 93.9 (C-8), 156.6 (C-9), 105.0 (C-10), 120.8 (C-1′), 128.8 (C-2′, 6′), 116.3 (C-3′, 5′), 161.1 (C-4′), 74.0 (C-1″), 71.0 (C-2″), 77.4 (C-3″), 69.7 (C-4″), 81.1 (C-5″), 60.5 (C-6″), 101.4 (C-1‴), 72.8 (C-2‴), 75.9 (C-3‴), 69.8 (C-4‴), 79.1 (C-5‴), 60.8 (C-6‴)。对照文献[23]数据, 鉴定该化合物为皂草黄苷。
化合物7为淡黄色无定形粉末, ESI-MS m/z 587.1 [M+Na]+, 分子式为C26H28O14, 不饱和度为13。1H NMR (500 MHz, DMSO-d6) δH 7.94 (2H, d, J = 8.0 Hz, H-2′, 6′), 6.93 (2H, d, J = 8.0 Hz, H-3′, 5′), 6.88 (1H, s, H-8), 6.87 (1H, s, H-3), 4.83 (1H, d, J = 6.4 Hz, H-1″), 4.36 (1H, d, J = 8.9 Hz, H-1‴); 13C NMR (125 MHz, DMSO-d6) δC 164.5 (C-2), 103.2 (C-3), 182.4 (C-4), 159.6 (C-5), 111.4 (C-6), 163.3(C-7), 95.0 (C-8), 156.6 (C-9), 105.3 (C-10), 120.8 (C-1′), 128.8 (C-2′, 6′), 116.4 (C-3′, 5′), 162.1 (C-4′), 73.6 (C-1″), 68.2 (C-2″), 75.2 (C-3″), 69.3 (C-4″), 70.5 (C-5″), 102.7 (C-1‴), 73.7 (C-2‴), 77.6 (C-3‴), 70.1 (C-4‴), 75.4 (C-5‴), 61.0 (C-6‴)。通过与文献[23, 24]对照, 鉴定该化合物为芹菜素-6-C-α-L-阿拉伯糖-7-O-β-D-葡萄糖苷。
化合物8为白色无定形粉末, ESI-MS m/z 309.1 [M+Na]+, 分子式为C17H18O4, 不饱和度为9。1H NMR (500 MHz, CD3OD) δH 7.76 (1H, s, H-4), 6.76 (1H, s, H-1), 6.48 (1H, d, J = 2.4 Hz, H-6), 6.43 (1H, d, J = 2.4 Hz, H-8), 3.85 (3H, s, 7-OCH3), 3.84 (3H, s, 3-OCH3), 3.79 (3H, s, 5-OCH3), 2.68 (2H, m, H-9), 2.62 (2H, m, H-10); 13C NMR (125 MHz, CD3OD) δC 112.0 (C-1), 144.9 (C-2), 146.8 (C-3), 116.0 (C-4), 127.0 (C-4a), 117.7 (C-4b), 160.4 (C-5), 98.6 (C-6), 159.1 (C-7), 106.3 (C-8), 142.1 (C-8a), 32.3 (C-9), 30.4 (C-10), 130.9 (C-10a), 55.7 (3 or 5-OCH3), 55.3 (5 or 3-OCH3), 55.6 (7-OCH3)。对比文献[25]数据, 故鉴定该化合物为2-hydroxy-3, 5, 7-trimethoxy-9, 10-dihydrophenanthrene。
化合物9为白色无定形粉末, ESI-MS m/z 637.2 [M+Na]+, 分子式为C27H34O16, 不饱和度为11。1H NMR (500 MHz, DMSO-d6) δH 7.19 (2H, s, H-2‴, 6‴), 6.62 (1H, d, J = 2.6 Hz, H-2), 6.47 (1H, d, J = 8.6 Hz, H-5), 6.35 (1H, dd, J = 8.6, 2.6 Hz, H-6), 5.42 (1H, s, H-1″), 4.72 (1H, d, J = 7.4 Hz, H-1′), 3.79 (6H, s, 3‴, 5‴-OCH3), 3.66 (3H, s, 3-OCH3); 13C NMR (125 MHz, DMSO-d6) δC 150.6 (C-1), 102.3 (C-2), 147.9 (C-3), 141.5 (C-4), 115.3 (C-5), 107.9 (C-6), 100.2 (C-1′), 76.2 (C-2′), 77.1 (C-3′), 70.5 (C-4′), 77.0 (C-5′), 60.9 (C-6′), 108.7 (C-1″), 77.3 (C-2″), 77.7 (C-3″), 74.1 (C-4″), 67.6 (C-5″), 119.4 (C-1‴), 107.4 (C-2‴, 6‴), 147.7 (C-3‴, 5‴), 141.0 (C-4‴), 165.5 (C-7‴), 55.5 (3-OCH3), 56.3 (3‴, 5‴-OCH3)。对比文献[26, 27]数据, 故鉴定该化合物为albibrissinoside B。
(+)-1和(-)-1的构象搜索采用GMMX软件进行, 选择MMFF94力场, 能量窗设为5 kcal·mol-1。所得构象采用密度泛函理论(DFT) 在ωB97XD/def2-TZVP水平下, 以甲醇为溶剂进行几何优化。选择玻尔兹曼分布比例大于1%的构象, 利用含时密度泛函理论(TD-DFT) 在ωB97XD/def2-TZVP水平下进行ECD图谱预测。最后采用SpecDis v1.70.1软件拟合计算图谱, 并与测试图谱对比。
按照本实验室组前期研究[15]中α-葡萄糖苷酶抑制活性测定方法, 以阿卡波糖(acarbose) 为阳性对照, 测试所得化合物对α-葡萄糖苷酶的抑制活性。

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2025年第60卷第10期
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doi: 10.16438/j.0513-4870.2025-0545
  • 接收时间:2025-05-12
  • 首发时间:2026-09-20
  • 出版时间:2025-10-12
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  • 收稿日期:2025-05-12
  • 修回日期:2025-07-17
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    1河南中医药大学药学院, 河南 郑州 450046
    2河南省中药开发工程技术研究中心, 河南 郑州 450046

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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
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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