Article(id=1218263722611626150, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1218263715896546233, articleNumber=null, orderNo=null, doi=10.16438/j.0513-4870.2017-0245, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1490112000000, receivedDateStr=2017-03-22, revisedDate=1490716800000, revisedDateStr=2017-03-29, acceptedDate=null, acceptedDateStr=null, onlineDate=1768386305715, onlineDateStr=2026-01-14, pubDate=1502467200000, pubDateStr=2017-08-12, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1768386305715, onlineIssueDateStr=2026-01-14, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1768386305715, creator=13701087609, updateTime=1768386305715, updator=13701087609, issue=Issue{id=1218263715896546233, tenantId=1146029695717560320, journalId=1189982191388893191, year='2017', volume='52', issue='8', pageStart='1203', pageEnd='1350', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1768386304115, creator=13701087609, updateTime=1768386638816, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1218265119784620776, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1218263715896546233, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1218265119784620777, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1218263715896546233, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1299, endPage=1301, ext={EN=ArticleExt(id=1218263723697950931, articleId=1218263722611626150, tenantId=1146029695717560320, journalId=1189982191388893191, language=EN, title=A new pyrazine derivative from Dioscorea opposite Thunb., columnId=1218263336395919604, journalTitle=Acta Pharmaceutica Sinica, columnName=ORIGINAL ARTICLES Medicinal Chemistry, runingTitle=null, highlight=null, articleAbstract=

The chemical constituents of Dioscorea opposite Thunb. were isolated and purified by Diaion HP-20, Sephadex LH-20, Toyopearl HW-40, MCI Gel CHP-20, ODS, silica gel column chromatography and semi-preparative-HPLC. Nine compounds were found and their structures were elucidated by spectral data and physicochemical properties, which were identified as 2-(1', 2', 3'-trihydroxybutyl-4'-O-α-D-glucopyranoside)-6-(2", 3", 4"-trihydroxybutyl)-pyrazine (1), uracil (2), xanthine (3), hypoxanthine (4), thymine (5), adenosine (6), uridine (7), inosine (8), and 5'-deoxy-5'-methylsulphinyladenosine (9). The compound 1 is a new pyrazine derivative, and the compound 3-5, 8, 9 are found in this plant for the first time.

, correspAuthors=Wei-sheng FENG, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright ©2017 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=Wei-sheng FENG, Fang LI, Meng-huan GUO, Yan-gang CAO, Yan-yun YANG, Wen-jing CHEN, Man QI, Xiao-lan WANG, Xiao-ke ZHENG), CN=ArticleExt(id=1218263724675223844, articleId=1218263722611626150, tenantId=1146029695717560320, journalId=1189982191388893191, language=CN, title=怀山药中的一个新吡嗪衍生物, columnId=1218263721282028383, journalTitle=药学学报, columnName=研究论文·药物化学, runingTitle=null, highlight=null, articleAbstract=

采用Diaion HP-20、Sephadex LH-20、Toyopearl HW-40、MCI Gel CHP-20、ODS、silica gel等柱色谱和半制备液相等技术,从怀山药中分离得到9个化合物,通过化合物的光谱数据和理化性质鉴定其结构分别为:2-(1',2',3'-三羟基丁基-4'-O-α-D葡萄糖苷)-6-(2",3",4"-三羟基丁基)-吡嗪(1)、尿嘧啶(2)、黄嘌呤(3)、次黄嘌呤(4)、胸腺嘧啶(5)、腺苷(6)、尿苷(7)、肌苷(8)和5'-去氧-5'-亚磺酰腺苷(9)。其中,化合物1为一个新的吡嗪衍生物,化合物3~589为首次从该植物中分离得到。

, correspAuthors=冯卫生, authorNote=null, correspAuthorsNote=
* 冯卫生, Tel/Fax:86-371-60190296, E-mail:
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Structures of compounds 19

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Key HMBC correlations of compound 1

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No. δH(J in Hz) δC
2 156.9
3 8.74(1H, s) 143.6
5 8.50(1H, s) 145.2
6 154.7
1' 5.11(1H, s) 72.9
2' 3.33(1H, m) 72.5
3' 3.62(1H, m) 75.2
4' 3.95(1H, dd, 4.6, 10.2) 69.9
3.60(1H, m)
1'' 3.27(1H, t, m) 39.9
2.90(1H, dd, 9.2, 14.1)
2'' 3.58(1H, m) 74.5
3'' 3.40(1H, dd, 3.6, 9.7) 72.9
4'' 3.84(1H, m) 65.0
3.63(1H, m)
1''' 4.81(1H, d, 3.6) 100.3
2''' 3.58−3.84(6H, m) 71.7
3''' 3.58−3.84(6H, m) 73.8
4''' 3.58−3.84(6H, m) 73.7
5''' 3.58−3.84(6H, m) 75.3
6''' 3.58−3.84(6H, m) 62.6
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1H NMR(500 MHz, DMSO-d6) and 13C NMR(125 MHz, DMSO-d6) spectral data of compound 1

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No. δH(J in Hz) δC
2 156.9
3 8.74(1H, s) 143.6
5 8.50(1H, s) 145.2
6 154.7
1' 5.11(1H, s) 72.9
2' 3.33(1H, m) 72.5
3' 3.62(1H, m) 75.2
4' 3.95(1H, dd, 4.6, 10.2) 69.9
3.60(1H, m)
1'' 3.27(1H, t, m) 39.9
2.90(1H, dd, 9.2, 14.1)
2'' 3.58(1H, m) 74.5
3'' 3.40(1H, dd, 3.6, 9.7) 72.9
4'' 3.84(1H, m) 65.0
3.63(1H, m)
1''' 4.81(1H, d, 3.6) 100.3
2''' 3.58−3.84(6H, m) 71.7
3''' 3.58−3.84(6H, m) 73.8
4''' 3.58−3.84(6H, m) 73.7
5''' 3.58−3.84(6H, m) 75.3
6''' 3.58−3.84(6H, m) 62.6
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怀山药中的一个新吡嗪衍生物
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冯卫生 1, 2, * , 李方 1, 2 , 郭孟焕 1, 2 , 曹彦刚 1, 3 , 杨雁芸 1, 2 , 陈文静 1, 2 , 齐曼 1, 2 , 王小兰 1 , 郑晓珂 1, 2
药学学报 | 研究论文·药物化学 2017,52(8): 1299-1301
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药学学报 | 研究论文·药物化学 2017, 52(8): 1299-1301
怀山药中的一个新吡嗪衍生物
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冯卫生1, 2, * , 李方1, 2, 郭孟焕1, 2, 曹彦刚1, 3, 杨雁芸1, 2, 陈文静1, 2, 齐曼1, 2, 王小兰1, 郑晓珂1, 2
作者信息
  • 1.河南中医药大学药学院, 河南 郑州 450046
  • 2.呼吸疾病诊疗与新药研发河南省协同创新中心, 河南 郑州 450046
  • 3.黑龙江中医药大学药学院, 黑龙江 哈尔滨 150040

通讯作者:

* 冯卫生, Tel/Fax:86-371-60190296, E-mail:
A new pyrazine derivative from Dioscorea opposite Thunb.
Wei-sheng FENG1, 2, * , Fang LI1, 2, Meng-huan GUO1, 2, Yan-gang CAO1, 3, Yan-yun YANG1, 2, Wen-jing CHEN1, 2, Man QI1, 2, Xiao-lan WANG1, Xiao-ke ZHENG1, 2
Affiliations
  • 1. College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China
  • 2. Collaborative Innovation Center for Respiratory Disease Diagnosis and Treatment and Chinese Medicine Development of Henan Province, Zhengzhou 450046, China
  • 3. College of Pharmacy, Heilongjiang University of Chinese Medicine, Harbin 150040, China
出版时间: 2017-08-12 doi: 10.16438/j.0513-4870.2017-0245
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采用Diaion HP-20、Sephadex LH-20、Toyopearl HW-40、MCI Gel CHP-20、ODS、silica gel等柱色谱和半制备液相等技术,从怀山药中分离得到9个化合物,通过化合物的光谱数据和理化性质鉴定其结构分别为:2-(1',2',3'-三羟基丁基-4'-O-α-D葡萄糖苷)-6-(2",3",4"-三羟基丁基)-吡嗪(1)、尿嘧啶(2)、黄嘌呤(3)、次黄嘌呤(4)、胸腺嘧啶(5)、腺苷(6)、尿苷(7)、肌苷(8)和5'-去氧-5'-亚磺酰腺苷(9)。其中,化合物1为一个新的吡嗪衍生物,化合物3~589为首次从该植物中分离得到。

怀山药  /  化学成分  /  吡嗪衍生物  /  核苷类

The chemical constituents of Dioscorea opposite Thunb. were isolated and purified by Diaion HP-20, Sephadex LH-20, Toyopearl HW-40, MCI Gel CHP-20, ODS, silica gel column chromatography and semi-preparative-HPLC. Nine compounds were found and their structures were elucidated by spectral data and physicochemical properties, which were identified as 2-(1', 2', 3'-trihydroxybutyl-4'-O-α-D-glucopyranoside)-6-(2", 3", 4"-trihydroxybutyl)-pyrazine (1), uracil (2), xanthine (3), hypoxanthine (4), thymine (5), adenosine (6), uridine (7), inosine (8), and 5'-deoxy-5'-methylsulphinyladenosine (9). The compound 1 is a new pyrazine derivative, and the compound 3-5, 8, 9 are found in this plant for the first time.

Dioscorea opposite  /  chemical constituent  /  pyrazine derivative  /  nucleosides
冯卫生, 李方, 郭孟焕, 曹彦刚, 杨雁芸, 陈文静, 齐曼, 王小兰, 郑晓珂. 怀山药中的一个新吡嗪衍生物. 药学学报, 2017 , 52 (8) : 1299 -1301 . DOI: 10.16438/j.0513-4870.2017-0245
Wei-sheng FENG, Fang LI, Meng-huan GUO, Yan-gang CAO, Yan-yun YANG, Wen-jing CHEN, Man QI, Xiao-lan WANG, Xiao-ke ZHENG. A new pyrazine derivative from Dioscorea opposite Thunb.[J]. Acta Pharmaceutica Sinica, 2017 , 52 (8) : 1299 -1301 . DOI: 10.16438/j.0513-4870.2017-0245
山药是薯蓣科植物薯蓣Dioscorea opposite Thunb.的干燥根茎。始载于《神农本草经》, 列为上品。山药主产于河南温县、武陟、博爱等地, 大都集中在河南沁阳县(旧属怀庆府), 故名“怀山药”, 是河南省“四大怀药”之一。2015版药典中记载:味甘、性平。归脾、肺、肾经。有补脾养胃、生津益肺、补肾涩精的功效[1]。山药不仅是一种常用中药, 而且还是一种上好的养生食材, 自古以来便是药食同源的典范。目前, 关于山药的研究有很多, 但大多集中在其药理作用和机制, 关于其药效物质基础方面的研究比较少。因此, 本文采用多种柱色谱技术和手段, 从怀山药中分离得到9个化合物, 分别是: 2-(1', 2', 3'-三羟基丁基-4'-O-α-D-葡萄糖苷)-6-(2'', 3'', 4''-三羟基丁基)-吡嗪(1)、尿嘧啶[2] (2)、黄嘌呤[3] (3)、次黄嘌呤[4] (4)、胸腺嘧啶[5] (5)、腺苷[6] (6)、尿苷[7] (7)、肌苷[8] (8)和5'-去氧-5'-亚磺酰腺苷[9] (9), 其中化合物1为新的吡嗪衍生物, 化合物3~589为首次从该植物中分离得到的, 结构见图 1
化合物1 为白色粉末(甲醇), 易溶于水。[α]D20 37.05 (c 0.13, CH3OH); HR-TOF-MS给出分子离子峰m/z: 489.171 2 [M+Na]+ (C18H30N2O12Na计算值为489.169 1), 提示化合物的分子式为C18H30N2O12; UV (CH3OH) λ: 209、275 nm; IR (ATR): 3 282、2 925、1 673、1 421、1 200、1 145、1 031 cm−1等。在1H NMR (500  MHz, DMSO-d6)谱中, δH 8.74 (1H, s, H-3) 和8.50 (1H, s, H-5) 处有两个氢信号, 处于较低场, 推测可能是氮杂环上的不饱和氢信号; δH 4.81 (1H, d, J= 3.6 Hz), 根据化学位移和偶合常数推测可能为α-构型糖的端基氢信号。在13C NMR (125  MHz, DMSO-d6)谱中有18个碳信号, 根据DEPT 135谱可知, 季碳有2个: δC 156.9 (C-2) 和154.7 (C-6);仲碳有4个: δC 69.9 (C-6''')、65.0 (C-4')、62.6 (C-4'')和39.9 (C-1''); 其余10个均为叔碳。根据HSQC谱和HMBC谱(图 2), 可知δC 156.9 (C-2)、154.7 (C-6)、145.2 (C-5) 和143.6 (C-3) 是2, 6-二取代吡嗪上的4个碳信号, δC 100.3 (C-1''')、71.7 (C-2''')、73.8 (C-3''')、73.7 (C-4''')、75.3 (C-5''')、62.6 (C-6''')是α-葡萄糖[10]上的碳信号。在HSQC谱中, δH 2.90、3.27与δC 39.9相关, δH 3.40与δC 72.9 (C-3'')有相关, δH 3.84与δC 65.0有相关, δH 3.95与δC 69.9相关; HMBC谱中δH 2.90与δC 72.9有远程相关, δH 3.27和3.40与δC 74.5 (C-2'')均存在远程相关, δH 3.84与δC 72.9有远程相关, 推测可能存在-CH2(CHOH)2CH2OH, δH 2.90、3.27与δC 145.2、154.7都存在远程相关, 说明-CH2(CHOH)2CH2OH片段与δC 154.7的碳相连; δH 5.11与δC 72.5 (C-2')、75.2 (C-3')有远程相关, 结合化学位移推测可能存在-(CHOH)3CH2-的结构片段, δH 5.11与δC 143.6、156.9均存在远程相关, 说明-(CHOH)3CH2-片段与δC 156.9的碳相连; δH 3.95与δC 100.3有远程相关, 同时, δH 4.81与δC 69.9也存在远程相关, 可知, 葡萄糖基与-(CHOH)3CH2-片段中的亚甲基通过1位相连。进一步酸水解, 酯化, 通过HPLC可确定该化合物中的糖是D-葡萄糖。综上所述, 并结合文献[10]中2-(1', 2', 3', 4'-四羟基丁基)-6-(2'', 3'', 4''-三羟基丁基)-吡嗪的波谱数据, 最终确定该化合物的结构是2-(1', 2', 3'-三羟基丁基-4'-O-α-D-葡萄糖苷)-6-(2'', 3'', 4''-三羟基丁基)-吡嗪[2-(1', 2', 3'-trihydroxybutyl-4'-O-α-D-glucopyranoside)-6-(2'', 3'', 4''-trihydroxybutyl)-pyrazine]。其1H NMR和13C NMR数据见表 1
核苷类成分是生物细胞维持生命活动的基本组成元素, 参与DNA的代谢, 具有广泛的生物活性。通过本实验发现怀山药含有多种碱基和核苷类成分, 这可能与怀山药的补益作用具有一定的联系, 有待于进一步的研究商榷。
Bruker AVANCE Ⅲ 500型核磁共振仪(TMS内标)、Bruker maxis HD型飞行时间质谱(德国布鲁克公司), Rudolph AP-Ⅳ型旋光仪(美国鲁道夫公司), Thermo Nicolet IS10红外光谱仪、Thermo EVO300紫外分光光度计(美国热电公司), 赛谱锐思LC50型高压制备液相色谱仪(赛谱锐思北京科技有限公司), UV200型紫外检测器, YMC-Pack ODS-A色谱柱(10 mm × 250 mm. D. S-5 μm, 12 μm) (日本YMC有限公司), Waters e2695高效液相色谱仪, Waters 2998检测器, DIKMA PLATISIL (TMS) ODS柱(4.6 mm × 250 mm, 5 μm), EYELA N-1100型旋转蒸发仪、EYELA A-1000S型水流抽气机、EYELA N-1111型冷冻水循环装置、EYELA FDU-2110型冷冻干燥机(上海爱朗仪器有限公司), 上海一恒DFZ-60508型真空干燥箱(上海一恒科学仪器有限公司)。
柱色谱填料Diaion HP-20、MCI Gel CHP-20 (日本三菱化学公司), Toyopearl HW-40 (日本TOSOH公司), Sephadex LH-20 (Parmacia Biotech公司), 柱色谱所用硅胶H (160~200目)、薄层色谱硅胶(颗粒范围10~40 mm) (青岛海洋化工厂), 其他分析纯和色谱纯试剂为北京化工厂和天津第三化学试剂厂生产, 标准品购自上海源叶生物科技有限公司。
本实验所选怀山药购自焦作市药材生产基地, 经河南中医药大学药学院陈随清教授鉴定为薯蓣科植物薯蓣Dioscorea opposite Thunb.的干燥根茎。
怀山药10 kg, 75%含水乙醇组织破碎提取, 每次3 min, 过滤, 滤液合并后45 ℃减压浓缩成流浸膏, 加适量水分散溶解后, 依次用石油醚、乙酸乙酯、正丁醇反复萃取, 分别得到石油醚部位(21.02 g)、乙酸乙酯部位(13.76 g)、正丁醇部位(23.46 g)。其中, 正丁醇部位上Diaion HP-20大孔吸附树脂柱, 依次用水、10%、20%、30%、45%、60%、75%、95%乙醇−水梯度洗脱得到8个洗脱组分; 各个洗脱组分在反复通过Sephadex LH-20、Toyopearl HW-40、MCI Gel CHP-20等柱色谱和半制备高效液相色谱柱, 得到化合物1 (7.7 mg)、2 (2.1 mg)、3 (2.4 mg)、4 (22.3 mg)、5 (3.2 mg)、6 (1.6 mg)、7 (1.2 mg)、8 (1.5 mg)和9 (3.2 mg)。
取化合物1 (2 mg), 溶于CF3COOH (4 mL)溶液中, 95 ℃下反应3 h后, 冷却至室温, 反应混合物用等体积(2 mL)的CH2Cl2萃取3次, 含水层浓缩干燥。然后分别将浓缩物和D-葡萄糖的标准品溶于无水吡啶(0.5 mL)和L-半胱氨酸甲酯盐酸盐(1.0 mg)中, 在60 ℃时反应1 h。冷却后分别加入5 μL邻甲苯异硫氰酸酯, 60 ℃下反应1 h。冷却至室温, 用吡啶稀释1倍后, 分别取样品(5 μL), 通过HPLC (乙腈−水25:75, 0.8 mL·min−1)进行分析, 检测波长为250 nm[11]。化合物1的水解产物和D-葡萄糖衍生物分别在tR = 18.8 min处有色谱峰。
化合物1 为白色粉末。[α]D20 37.047 (c 0.127 5, CH3OH); HR-TOF-MS m/z: 489.171 2 [M+Na]+ (C18H30N2O12Na计算值是489.169 1); UV (CH3OH) λ/nm: 209, 275; IR (ATR)/cm−1: 3 282, 2 925, 1 673, 1 421, 1 200, 1 145, 1 031; 1H NMR (500 MHz, DMSO-d6)和13C NMR (125 MHz, DMSO-d6)数据见表 1
  • 中央引导地方科技发展专项——河南道地大宗药材种质评价及集约化种植与示范
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doi: 10.16438/j.0513-4870.2017-0245
  • 接收时间:2017-03-22
  • 首发时间:2026-01-14
  • 出版时间:2017-08-12
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  • 收稿日期:2017-03-22
  • 修回日期:2017-03-29
基金
中央引导地方科技发展专项——河南道地大宗药材种质评价及集约化种植与示范
作者信息
    1.河南中医药大学药学院, 河南 郑州 450046
    2.呼吸疾病诊疗与新药研发河南省协同创新中心, 河南 郑州 450046
    3.黑龙江中医药大学药学院, 黑龙江 哈尔滨 150040

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* 冯卫生, Tel/Fax:86-371-60190296, E-mail:
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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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