Article(id=1201096924003791542, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1201096916940579367, articleNumber=null, orderNo=null, doi=10.16438/j.0513-4870.2023-1114, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1695744000000, receivedDateStr=2023-09-27, revisedDate=1703520000000, revisedDateStr=2023-12-26, acceptedDate=null, acceptedDateStr=null, onlineDate=1764293421983, onlineDateStr=2025-11-28, pubDate=1712851200000, pubDateStr=2024-04-12, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1764293421983, onlineIssueDateStr=2025-11-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1764293421983, creator=13701087609, updateTime=1764293421983, updator=13701087609, issue=Issue{id=1201096916940579367, tenantId=1146029695717560320, journalId=1189982191388893191, year='2024', volume='59', issue='4', pageStart='789', pageEnd='1100', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1764293420298, creator=13701087609, updateTime=1764293534792, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1201097397242912862, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1201096916940579367, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1201097397242912863, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1201096916940579367, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=997, endPage=1001, ext={EN=ArticleExt(id=1201096924423221980, articleId=1201096924003791542, tenantId=1146029695717560320, journalId=1189982191388893191, language=EN, title=Three new sesquiterpenoids from the Alpiniae oxyphyllae Fructus, columnId=1190335348761793317, journalTitle=Acta Pharmaceutica Sinica, columnName=Original Articles, runingTitle=null, highlight=null, articleAbstract=

The n-butanol fraction of Alpinia oxyphylla Fructus 70% ethanol extract was separated and purified using column chromatography with MCI Gel CHP-20, Sephadex LH-20, ODS, and silica gel, combined with semi preparative liquid phase and TLC separation methods. One new halogenated 4, 5-seco-eudesmane sesquiterpenoid and two new eremophilane sesquiterpenoids were isolated and purified from the n-butanol fraction of Alpinia oxyphylla Fructus. The structures of the isolated compounds were identified using modern spectroscopic methods (1D, 2D NMR, UV, IR, MS, etc.), and the absolute configuration of the new compounds were determined using the methods of calculated ECD and induced ECD.

, correspAuthors=Yan-zhi WANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2024 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, authorCompany=null, fund=null, authors=null, authorsList=Bo-tao LU, Yue-tong ZHU, Xiao-ning LIU, Hui-ying NIU, Meng-yu ZHANG, Wei-sheng FENG, Yan-zhi WANG), CN=ArticleExt(id=1201096927464092606, articleId=1201096924003791542, tenantId=1146029695717560320, journalId=1189982191388893191, language=CN, title=益智仁中三个新的倍半萜类化合物, columnId=1190335348896011050, journalTitle=药学学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=

用MCI Gel CHP-20、Sephadex LH-20、ODS和硅胶等柱色谱, 结合半制备液相和TLC等分离方法对益智仁(Alpinia oxyphylla Fructus) 70%乙醇提取物的正丁醇部位进行分离纯化, 从益智仁正丁醇部位中分离纯化得到1个新的C-4/C-5位开环的卤代桉叶烷型倍半萜和两个新的艾里莫酚烷型倍半萜。运用现代波谱学方法(1D、2D NMR, UV, IR, MS等) 对所分离得到的化合物进行结构鉴定, 并运用计算ECD和衍生CD的方法确定了新化合物的绝对构型。

, correspAuthors=王彦志, authorNote=null, correspAuthorsNote=
*王彦志, Tel: 86-371-65962746, E-mail:
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School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China
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No.123
11.50 (1H, m)6.09 (1H, s)6.08 (1H, s)
1.37 (1H, m)
21.54 (1H, m)--
1.47 (1H, m)
32.45 (2H, m)6.06 (1H, s)6.06 (1H, s)
4---
5---
66.07 (1H, d, J = 1.4 Hz)2.19 (1H, tt, J = 12.8, 3.4 Hz)2.18 (1H, m)
1.14 (1H, t, J = 12.8 Hz)1.14 (1H, m)
7-2.31 (1H, dt, J = 12.8, 2.9 Hz)2.14 (1H, m)
82.45 (2H, m)2.04 (1H, m)2.17 (1H, m)
1.28 (1H, m)1.28 (1H, m)
91.97 (1H, m)2.68 (1H, tdd, J = 13.8, 4.1, 1.4 Hz)2.66 (1H, tdd, J = 13.9, 4.9, 1.6 Hz)
1.78 (1H, m) 2.44 (1H, ddd, J = 13.8, 4.1, 2.7 Hz)2.46 (1H, ddd, J = 13.9, 4.9, 2.5 Hz)
10---
11---
123.74 (1H, d, J = 11.5 Hz)3.44 (2H, m)3.43 (2H, m)
3.62 (1H, d, J = 11.5 Hz)
131.41 (3H, s)1.02 (3H, s)1.08 (3H, s)
142.10 (3H, s)1.36 (3H, s)1.37 (3H, s)
151.05 (3H, s)2.08 (3H, s)2.08 (3H, s)
), ArticleFig(id=1201096936423125433, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1201096924003791542, language=CN, label=Table 1, caption=

1H (500 MHz) NMR data of 1 and 1H (600 MHz) NMR data of 2 and 3 in CD3OD

, figureFileSmall=null, figureFileBig=null, tableContent=
No.123
11.50 (1H, m)6.09 (1H, s)6.08 (1H, s)
1.37 (1H, m)
21.54 (1H, m)--
1.47 (1H, m)
32.45 (2H, m)6.06 (1H, s)6.06 (1H, s)
4---
5---
66.07 (1H, d, J = 1.4 Hz)2.19 (1H, tt, J = 12.8, 3.4 Hz)2.18 (1H, m)
1.14 (1H, t, J = 12.8 Hz)1.14 (1H, m)
7-2.31 (1H, dt, J = 12.8, 2.9 Hz)2.14 (1H, m)
82.45 (2H, m)2.04 (1H, m)2.17 (1H, m)
1.28 (1H, m)1.28 (1H, m)
91.97 (1H, m)2.68 (1H, tdd, J = 13.8, 4.1, 1.4 Hz)2.66 (1H, tdd, J = 13.9, 4.9, 1.6 Hz)
1.78 (1H, m) 2.44 (1H, ddd, J = 13.8, 4.1, 2.7 Hz)2.46 (1H, ddd, J = 13.9, 4.9, 2.5 Hz)
10---
11---
123.74 (1H, d, J = 11.5 Hz)3.44 (2H, m)3.43 (2H, m)
3.62 (1H, d, J = 11.5 Hz)
131.41 (3H, s)1.02 (3H, s)1.08 (3H, s)
142.10 (3H, s)1.36 (3H, s)1.37 (3H, s)
151.05 (3H, s)2.08 (3H, s)2.08 (3H, s)
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No.123No.123
136.8124.2124.2934.433.833.8
219.3188.9188.91044.5172.7172.7
344.7126.6126.71175.474.974.9
4211.6171.1170.91252.569.268.9
5206.945.345.21325.320.521.4
6124.639.239.81429.823.823.9
7167.938.639.31522.119.219.2
823.830.830.1
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136.8124.2124.2934.433.833.8
219.3188.9188.91044.5172.7172.7
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4211.6171.1170.91252.569.268.9
5206.945.345.21325.320.521.4
6124.639.239.81429.823.823.9
7167.938.639.31522.119.219.2
823.830.830.1
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益智仁中三个新的倍半萜类化合物
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卢波涛 1 , 朱跃通 1 , 刘晓宁 1 , 牛惠莹 1 , 张梦雨 1 , 冯卫生 1, 2 , 王彦志 1, 2, *
药学学报 | 研究论文 2024,59(4): 997-1001
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药学学报 | 研究论文 2024, 59(4): 997-1001
益智仁中三个新的倍半萜类化合物
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卢波涛1, 朱跃通1, 刘晓宁1, 牛惠莹1, 张梦雨1, 冯卫生1, 2, 王彦志1, 2, *
作者信息
  • 1.河南中医药大学药学院, 河南 郑州 450046
  • 2.呼吸疾病中医药防治省部共建协同创新中心, 河南 郑州 450046

通讯作者:

*王彦志, Tel: 86-371-65962746, E-mail:
Three new sesquiterpenoids from the Alpiniae oxyphyllae Fructus
Bo-tao LU1, Yue-tong ZHU1, Xiao-ning LIU1, Hui-ying NIU1, Meng-yu ZHANG1, Wei-sheng FENG1, 2, Yan-zhi WANG1, 2, *
Affiliations
  • 1. School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China
  • 2. Co-construction of Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases by Henan & Education Ministry of P. R. China, Zhengzhou 450046, China
出版时间: 2024-04-12 doi: 10.16438/j.0513-4870.2023-1114
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用MCI Gel CHP-20、Sephadex LH-20、ODS和硅胶等柱色谱, 结合半制备液相和TLC等分离方法对益智仁(Alpinia oxyphylla Fructus) 70%乙醇提取物的正丁醇部位进行分离纯化, 从益智仁正丁醇部位中分离纯化得到1个新的C-4/C-5位开环的卤代桉叶烷型倍半萜和两个新的艾里莫酚烷型倍半萜。运用现代波谱学方法(1D、2D NMR, UV, IR, MS等) 对所分离得到的化合物进行结构鉴定, 并运用计算ECD和衍生CD的方法确定了新化合物的绝对构型。

益智仁  /  化学成分  /  分离鉴定  /  桉叶烷型倍半萜  /  艾里莫酚烷型倍半萜

The n-butanol fraction of Alpinia oxyphylla Fructus 70% ethanol extract was separated and purified using column chromatography with MCI Gel CHP-20, Sephadex LH-20, ODS, and silica gel, combined with semi preparative liquid phase and TLC separation methods. One new halogenated 4, 5-seco-eudesmane sesquiterpenoid and two new eremophilane sesquiterpenoids were isolated and purified from the n-butanol fraction of Alpinia oxyphylla Fructus. The structures of the isolated compounds were identified using modern spectroscopic methods (1D, 2D NMR, UV, IR, MS, etc.), and the absolute configuration of the new compounds were determined using the methods of calculated ECD and induced ECD.

Alpinia oxyphylla Miq  /  chemical composition  /  separation and identification  /  seco-eudesmane sesquiterpenoid  /  eremophilane sesquiterpenoid
卢波涛, 朱跃通, 刘晓宁, 牛惠莹, 张梦雨, 冯卫生, 王彦志. 益智仁中三个新的倍半萜类化合物. 药学学报, 2024 , 59 (4) : 997 -1001 . DOI: 10.16438/j.0513-4870.2023-1114
Bo-tao LU, Yue-tong ZHU, Xiao-ning LIU, Hui-ying NIU, Meng-yu ZHANG, Wei-sheng FENG, Yan-zhi WANG. Three new sesquiterpenoids from the Alpiniae oxyphyllae Fructus[J]. Acta Pharmaceutica Sinica, 2024 , 59 (4) : 997 -1001 . DOI: 10.16438/j.0513-4870.2023-1114
中药益智(Alpinae oxyphyllae Fructus) 又名益智仁[1], 为姜科山姜属植物益智(Alpinia oxyphylla Miq) 的干燥成熟果实及种子, 为我国四大南药之一[2], 其味辛、性温, 归心经和肾经, 有温补固摄和温肾固精缩尿的功效[3]。现有研究表明, 益智仁中的化学成分主要有二芳基庚烷类、黄酮类、倍半萜类及其苷类成分[4-7]。现代药理学研究表明, 益智仁具有强心、舒张血管、镇静、镇痛、抗过敏、抗衰老、抗氧化、提高免疫力和神经保护等多方面药理活性[8-13]。近年来, 由于益智仁的神经保护和肾保护作用使其被广泛关注, 但是其药效物质基础研究还不够明确, 亟待深入研究。本课题组前期曾对益智仁正丁醇部位的化学成分进行了研究, 从中分离并鉴定了4个萜苷类化合物[7]。为了进一步从益智仁中寻找结构新颖的化学成分, 丰富益智仁的化学组成, 本实验继续对益智仁的化学成分做分离鉴定, 从正丁醇部位得到了1个新的C-4/C-5位开环的卤代桉叶烷型倍半萜(1) 和两个新的艾里莫酚烷型倍半萜(2, 3) (图 1)。
化合物1为淡黄色油状物, [α]$ {}_{\mathrm{D}}^{20} $ -4.3 (c 0.1, MeOH); IR显示存在羟基(3 456 cm-1)、羰基(1 712 cm-1) 和碳碳双键(1 663 cm-1) 的征吸收峰; UV显示在232 nm处有最大吸收峰。HR-ESI-MS [M+H]+ m/z 287.140 8 (calcd for C15H24ClO3 287.140 8) 推测分子式为C15H23ClO3。HR-ESI-MS的正离子碎片中存在309.122 5 (含35Cl)/311.120 2 (含37Cl) (3∶1, [M+Na]+) 和287.140 8 (含Cl35)/289.138 7 (含Cl37) (3∶1, [M+H]+), 可表明化合物1中含有Cl原子[14, 15]。化合物11H NMR (CD3OD, 500 MHz) 谱(表 1) 中显示存在一个烯氢质子信号[δH 6.07 (1H, d, J = 1.4 Hz, H-6)], 六个亚甲基氢信号[δH 3.74 (1H, d, J = 11.5 Hz, H-12a), 3.62 (1H, d, J = 11.5 Hz, H-12b), 2.45 (2H, m, H-8), 2.45 (2H, m, H-3), 1.97 (1H, m, H-9a), 1.78 (1H, m, H-9b), 1.54 (1H, m, H-2a), 1.50 (1H, m, H-1a), 1.47 (1H, m, H-2b), 1.37 (1H, m, H-1b)] 和三个甲基氢信号[δH 2.10 (3H, s, H-14), 1.41 (3H, s, H-13), 1.05 (3H, s, H-15)]。分析其13C NMR (CD3OD, 125 MHz) 谱(表 2) 并结合HSQC谱中共观察到15个碳信号, 包括两个羰基信号[δC 211.6 (C-4), 206.9 (C-5)], 一个双键碳信号[δC 124.6 (C-6), 167.9 (C-7)], 两个季碳[δC 44.5 (C-10), 75.4 (C-11)], 六个亚甲基碳[δC 36.8 (C-1), 19.3 (C-2), 44.7 (C-3), 23.8 (C-8), 34.4 (C-9), 52.5 (C-12)] 和三个甲基碳[δC 25.3 (C-13), 29.8 (C-14), 22.1 (C-15)]。在HMBC谱(图 2) 中, H2-3 (δH 2.45)/H3-14 (δH 2.10) 与C-4 (δC 211.6) 存在相关信号; H-2a (δH 1.54)/H3-15 (δH 1.05) 与C-1 (δC 36.8) 存在相关信号; H-6 (δH 6.07)/H2-8 (δH 2.45)/H-9a (δH 1.97) 与C-7 (δC 167.9) 存在相关信号; H3-15 (δH 1.05) 与C-9 (δC 34.4) 和C-10 (δC 44.5) 存在相关信号; 结合1H-1H COSY谱(图 2) 中H-1b (δH 1.37) 与H-2b (δH 1.47) 相关, H-2b (δH 1.47) 与H2-3 (δH 2.45) 相关及H2-8 (δH 2.45) 与H-9a (δH 1.97) 的相关信号, 说明化合物1为一个C-4和C-5位开环的桉叶烷型倍半萜。又通过H-6 (δH 6.07)/H2-8 (δH 2.45)/H-12a (δH 3.74)/H3-13 (δH 1.41) 与C-11 (δC 75.4) 存在相关信号; 结合质谱所推测的含35Cl碎片及C-11 (δC 75.4) 和C-12 (δC 52.5) 确定了C-7上所连1-氯-2-丙醇的结构。综上确定化合物1平面结构如图 1所示。
由于化合物1的两个手性中心C-10和C-11空间距离较远, 在NOESY谱中没有相关信号, 因此采用计算NMR的方法, 计算了(10R*, 11S*) 和(10R*, 11R*) 两种相对构型, 发现相对构型为(10R*, 11S*) 的概率达到了100%。化合物1的绝对构型是通过比对实测ECD图谱与两种相对构型的计算ECD图谱(图 3), 发现与(10R, 11S) 的趋势比较接近, 故确定为(10R, 11S)。由于手性中心C-11位于环外的柔性支链上, 为保证绝对构型的严谨性, 对于具有叔醇羟基的手性中心C-11通过使用过渡金属Rh2(OCOCF3)4试剂测定ICD谱的方法又进一步进行了验证。首先将化合物1溶解在无水CH2Cl2溶液中, 加入Rh2(OCOCF3)4试剂充分螯合后, 生成具有Cotton效应的Rh衍生物, 测定ICD谱。因为化合物1在ECD谱300~400 nm处有吸收信号, 所以分析Rh衍生物ICD谱与ECD谱的差谱。该差谱在350 nm处Cotton效应显示为正, 通过bulkiness规则确定C-11的绝对构型为S, 故化合物1的绝对构型确定为(10R, 11S)。由此确定化合物1的结构为(10R, 11S)-7-(11-hydroxy-11-methylethyl-12-chlorine)-1-methyl-1-(4-oxopentyl)-3-cyclohexen-2-one, 命名为oxyphylleudne J。
样品2*为无色油状物, [α]$ {}_{\mathrm{D}}^{20} $ -7.6 (c 0.1, MeOH) (2*), HR-ESI-MS给出准分子离子峰m/z 273.145 2 [M+Na]+, 计算值为273.146 1, 推测其分子式为C15H22O3, 计算不饱和度为5。2*的13C NMR谱(CD3OD, 125 MHz) 显示有多于15个碳信号, 与推测的分子式明显不符, 结合本课题组前期手性拆分经验, 放大碳谱发现在δ 74.9和δ 69.2处有重叠的信号, 推测2*为一对立体异构体。随后, 通过CHIRALCEL AD-H手性色谱柱对其拆分, 得到一对比例为1∶1的异构体23
化合物23均为无色油状物, [α]$ {}_{\mathrm{D}}^{20} $ -1.8 (c 0.1, MeOH) (2), [α]$ {}_{\mathrm{D}}^{20} $ -28.5 (c 1.0, MeOH) (3), HR-ESI-MS给出准分子离子峰m/z 273.145 2 [M+Na]+, 计算值为273.146 1, 推测其分子式为C15H22O3。化合物21H NMR (CD3OD, 600 MHz) 谱(表 1) 显示两个烯烃氢信号[δH 6.09 (1H, s, H-1), 6.06 (1H, s, H-3)], 一个连氧亚甲基氢信号[δH 3.44 (2H, m)] 和三个甲基氢信号[δH 2.08 (3H, s, H-15), 1.36 (3H, s, H-14), 1.02 (3H, s, H-13)]。分析其13C NMR (CD3OD, 150 MHz) 谱(表 2) 和HSQC谱发现2中存在15个碳, 包括一个羰基碳信号δC 188.9 (C-2), 四个烯烃碳信号[δC 124.2 (C-1), 126.6 (C-3), 171.1 (C-4), 172.7 (C-10)], 二个季碳信号[δC 45.3 (C-5), 74.9 (C-11)], 一个次甲基信号δC 38.6 (C-7), 四个亚甲基碳信号[δC 39.2 (C-6), 30.8 (C-8), 33.8 (C-9), 69.2 (C-12)] 和三个甲基碳信号[δC 20.5 (C-13), 19.2 (C-15), 23.8 (C-14)]。在HMBC谱(图 2) 中, H-1 (δH 6.09) 与C-2 (δC 188.9)/C-3 (δC 126.6) /C-5 (δC 45.2)/C-10 (δC 172.7) 存在相关信号; H-3 (δH 6.09) 与C-5 (δC 45.2) 存在相关信号, 结合H3-15 (δH 2.08) 与C-4 (δC 171.1)/C-3 (δC 126.6)/C-5 (δC 45.2) 的相关信号, 推断出一个具有不饱和酮共轭烯丙基的六元环。此外, H2-6 (δH 1.14) 与C-10 (δC 172.7)/C-5 (δC 45.2)/C-7 (δC 38.6)/C-8 (δC 30.8) 的相关信号, 结合化合物2 1H-1H COSY谱(图 2) 中H-6b (δH 1.14)/H-7 (δH 2.31), H-7 (δH 2.31)/H-8a (δH 2.04), H-8a (δH 2.04)/H-9b (δH 2.66) 的相关信号, 可推测存在另一个六元环结构。通过H3-14 (δH 1.36) 与C-10 (δC 172.7)/C-4 (δC 171.1)/C-5 (δC 45.2)/C-7 (δC 38.6) 的HMBC相关信号, 推断两个六元环通过C-5, C-10稠合。通过H-6a (δH 2.19)/H-8a (δH 2.04)/H2-12 (δH 3.44)/H3-13 (δH 1.02) 与C-11 (δC 74.9) 的HMBC相关信号, 结合剩余的片段及C-11 (δC 74.9) 和C-12 (δC 69.2) 的化学位移确定了C-7上所连1, 2-丙二醇的结构。综上, 确定了化合物23的平面结构为nootkatone-1-en-11, 12-diol。
由于拆分后所得化合物23的量太少, 故采用2D-NMR实验并结合二烯酮ππ*跃迁的CD规律[16, 17]和计算NMR来确定化合物2和化合物3的构型。在化合物2和化合物3的1D-NOE中, 以H3-14为激发点, 发现H-7出现增益信号(图 4), 证明了H3-14和H-7位于环平面同侧, 由此确定C-5和C-7的相对构型为(5S*, 7R*)。通过二烯酮的ππ*跃迁规律, 在CD光谱中观察到正Cotton效应(230~250 nm), 表明C-5绝对构型S, 并结合比对实测ECD图谱与两种相对构型的计算ECD图谱确定了化合物2的构型为(5S, 7R, 11R*) (图 5), 化合物3的构型为(5S, 7R, 11S*) (图 6)。对于C-11, 又通过计算NMR方法确定2的绝对构型为(5S, 7R, 11R), 3的绝对构型为(5S, 7R, 11S) [概率99.87% (2), 99.05% (3)][18]。化合物23是C-11位的差向异构体, 分别命名为oxyphyllerene D和oxyphyllerene E。
TripleTOF 6600型高效液相色谱-高分辨质谱联用仪(美国AB SCIEX公司); Anton Paar MCP 5100型旋光仪(奥地利Anton Paar); BrukerAM-600MHz核磁共振谱用超导核磁共振仪(TMS做内标) 和BrukerAM-500 MHz核磁共振谱用超导核磁共振仪(TMS做内标, 德国Bruker公司); Thermo EVO300紫外分光光度计和Thermo Nicolet IS10红外光谱仪(美国Thermo Scientific公司); RE-5210A型旋转蒸发仪(上海亚荣生化仪器厂); 赛谱锐思LC-52型半制备液相色谱仪(赛谱锐思北京科技有限公司); N-1100型旋转蒸发仪和EYELACA-3310型低温冷凝循环泵(东京理化器械株式会社); 原子型1820C型纯水机(重庆摩尔水处理设备有限公司); MCIGel CHP-20柱色谱材料(日本三菱化学公司); SephadexLH-20柱色谱材料(Parmacia Biotech公司); 正相硅胶柱色谱材料(200~300目, 青岛海洋化工厂); YMC-PackODS-A色谱柱(250 mm × 20 mm, 5 μm); CHIRALCEL AD-H手性色谱柱(250 mm × 20 mm, 5 μm) 和C18 ODS柱色谱材料(50 μm) (日本YMC有限公司); 色谱纯及分析纯试剂(天津四友精细化学品有限公司)。
益智仁购自中国海南省琼中县, 经河南中医药大学董诚明教授鉴定为姜科植物益智(Alpinia oxyphylla Miq.) 的干燥成熟果实和种子, 干燥标本保存于河南中医药大学中药药效物质基础研究室(标本号: YZ202104QZ)。
将40 kg益智仁干燥后粉碎, 用8倍量70%乙醇回流提取(2 h/3次), 提取液合并减压浓缩得浸膏8.30 kg, 用3倍量的水将浸膏混悬后, 依次用30 L乙酸乙酯、正丁醇萃取至萃取液无色后(10次以上), 浓缩萃取液得到乙酸乙酯部位(1.45 kg)、正丁醇部位(628.33 g) 和水部位(6.60 kg)。正丁醇部位上MCI柱, 用乙醇-水系统(0∶100~95∶5) 梯度洗脱后, 依次得到水部位(371.10 g)、10%乙醇部位(8.43 g)、30%乙醇部位(33.36 g)、50%乙醇部位(49.82 g)、70%乙醇部位(20.73 g) 和95%乙醇部位(105.06 g)。MCI 30%乙醇部位(33.36 g) 上凝胶柱色谱, 以甲醇-水(0∶100~95∶5) 梯度洗脱得到10个组分Fr.A.1~Fr.A.10。Fr.A1 (8.31 g) 上ODS柱色谱, 以甲醇-水(0∶100~95∶5) 梯度洗脱, 得到8个组分Fr.A.1.1~Fr.A.1.8。组分Fr.A.1.5 (1.25 g) 经硅胶柱色谱(200~300目) 用二氯甲烷-甲醇(50∶1~0∶100) 梯度洗脱, 得到Fr.A.1.5.1~Fr.A.1.5.6共6个组分, Fr.A.1.5.3 (33.89 mg) 经半制备高效液相纯化, 得到化合物2* (乙腈-水20∶80, 3.0 mL·min-1, tR = 21.9 min, 3.32 mg)。化合物2*通过CHIRALCEL AD-H手性色谱柱(250 mm × 20 mm, 5 μm, 异丙醇-正己烷10∶90, 2.0 mL·min-1) 拆分得到化合物2 (tR = 15.2 min, 0.5 mg) 和3 (tR = 17.3 min, 0.8 mg)。
MCI 70%乙醇部位(20.73 g) 上ODS色谱柱, 以甲醇-水(0∶100~95∶5) 梯度洗脱后得到七个组分Fr.E.1~Fr.E.7。Fr.E.3 (2.30 g) 上硅胶柱色谱(200~300目) 以二氯甲烷-甲醇(50∶1~0∶100) 梯度洗脱, 得到七个组分Fr.E.3.1~Fr.E.3.7。Fr.E.3.7 (80.25 mg) 经半制备高效液相纯化后最终得到化合物1 (乙腈-水18∶82, 3.0 mL·min-1, tR = 23.9 min, 5.2 mg)。
化合物1淡黄色油状物, [α]$ {}_{\mathrm{D}}^{20} $ -4.3 (c 0.1, MeOH); IR (MeOH) vmax 3 456、1 712、1 663、1 420、1 452、1 377、1 204、1 032 cm-1; UV (MeOH) λmax (log ε): 232.0 (2.93) nm, HR-ESI-MS给出准分子离子峰m/z 287.140 8 [M+H]+, 计算值为287.140 8。1H NMR (CD3OD, 500 MHz) 和13C NMR (CD3OD, 125 MHz) 数据见表 12
化合物2和化合物3无色透明液体, 易溶于甲醇, [α]$ {}_{\mathrm{D}}^{20} $ -1.8 (c 0.1, MeOH) (2), [α]$ {}_{\mathrm{D}}^{20} $ -28.5 (c 1.0, MeOH) (3), IR (MeOH) vmax 3 375、2 924、1 659、1 607、1 458、1 177、1 035 cm-1; UV (MeOH) λmax (log ε): 244.0 (2.41) nm, 结果表明该化合物中可能含有羟基、羰基、双键等官能团, HR-ESI-MS给出准分子离子峰m/z 273.145 2 [M+Na]+, 计算值为273.146 1。1H NMR (CD3OD, 600 MHz) 和13C NMR (CD3OD, 150 MHz) 数据见表 12
化合物的绝对构型均是通过(TDDFT ECD) 计算与实验ECD对比来确定的。将化合物的构象导入Gaussview 6.0.16软件中的MMFF94s程序, 使用10 kcal·mol-1的能量窗进行构象搜索。对搜索出来的优势构象使用Gaussian 16软件进行优化B3LYP/6-31G (d, p), 优化后的构象在B3LYP/6-31G (d, p) 水平下以甲醇为溶剂进行ECD计算, 然后在SpecDis1701软件中对ECD计算结果进行拟合。
作者贡献: 王彦志负责实验设计; 卢波涛负责实验实施、数据处理和论文撰写; 朱跃通、刘晓宁、牛惠莹和张梦雨参与实验实施; 王彦志和冯卫生负责文章的审阅和提出论文写作的建议。
利益冲突: 作者声明无利益冲突。
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2024年第59卷第4期
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doi: 10.16438/j.0513-4870.2023-1114
  • 接收时间:2023-09-27
  • 首发时间:2025-11-28
  • 出版时间:2024-04-12
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  • 收稿日期:2023-09-27
  • 修回日期:2023-12-26
基金
作者信息
    1.河南中医药大学药学院, 河南 郑州 450046
    2.呼吸疾病中医药防治省部共建协同创新中心, 河南 郑州 450046

通讯作者:

*王彦志, Tel: 86-371-65962746, E-mail:
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https://castjournals.cast.org.cn/joweb/yxxb/CN/10.16438/j.0513-4870.2023-1114
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

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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