Article(id=1193259089384932175, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1193259081696772901, articleNumber=null, orderNo=null, doi=10.16438/j.0513-4870.2024-0998, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1729008000000, receivedDateStr=2024-10-16, revisedDate=1734278400000, revisedDateStr=2024-12-16, acceptedDate=null, acceptedDateStr=null, onlineDate=1762424736591, onlineDateStr=2025-11-06, pubDate=1741708800000, pubDateStr=2025-03-12, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1762424736591, onlineIssueDateStr=2025-11-06, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1762424736591, creator=13701087609, updateTime=1762424736591, updator=13701087609, issue=Issue{id=1193259081696772901, tenantId=1146029695717560320, journalId=1189982191388893191, year='2025', volume='60', issue='3', pageStart='533', pageEnd='842', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1762424734756, creator=13701087609, updateTime=1764224876724, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1200809424412602670, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1193259081696772901, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1200809424412602671, tenantId=1146029695717560320, journalId=1189982191388893191, issueId=1193259081696772901, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=755, endPage=761, ext={EN=ArticleExt(id=1193259089707893585, articleId=1193259089384932175, tenantId=1146029695717560320, journalId=1189982191388893191, language=EN, title=A new labdane diterpene compound in Forsythia suspensa (Thunb.) Vahl, columnId=1190335348761793317, journalTitle=Acta Pharmaceutica Sinica, columnName=Original Articles, runingTitle=null, highlight=null, articleAbstract=

The chemical constituents of the fruits of Forsythia suspensa (Thunb.) Vahl were investigated by using chromatographic techniques (silica gel, MCI, and sephadex LH-20 gel column chromatography, etc). Fourteen compounds were isolated from the 95% ethanol extract of F. suspensa, and their structures were identified by HR-ESI-MS, NMR, and calculated electronic circular dichroism (ECD) methods. The compounds included labdane diterpenes (1-6), clerodane diterpene (7), norlabdane diterpene (8), norclerodane diterpene (9), oleanane triterpenoid (10), ursane triterpenoids (11, 12), lupane triterpenoids (13, 14). Among them, compound 1 was a new compound and compounds 3-9, 11, and 12 were obtained from this plant for the first time. The inhibitory effect of these compounds on lipopolysaccharide-induced nitric oxide production in mouse macrophage RAW 264.7 cells also was evaluated. Unfortunately, none of these compounds exhibited significant inhibitory activity.

, correspAuthors=Zhi-jun ZHANG, 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, authorCompany=null, fund=null, authors=null, authorsList=Xiao-lan CHEN, Qing-qing YANG, Xuan-qin CHEN, Rong-tao LI, Zhi-jun ZHANG), CN=ArticleExt(id=1193259305697771624, articleId=1193259089384932175, tenantId=1146029695717560320, journalId=1189982191388893191, language=CN, title=连翘中一个新的半日花烷型二萜类化合物, columnId=1190335348896011050, journalTitle=药学学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=

采用多种色谱分离技术(硅胶柱色谱、MCI柱色谱、Sephadex LH-20凝胶柱色谱等) 对木樨科(Oleaceae) 连翘属植物连翘(Forsythia suspensa) 的果实进行化学成分研究。从其95%乙醇提取部分中分离得到14个萜类化合物, 并通过MS、1D-和2D-NMR等波谱手段和量子化学计算方法进行了结构鉴定: 半日花烷型二萜(1~6)、克罗烷型二萜(7)、降半日花烷型二萜(8)、降克罗烷型二萜(9)、齐墩果烷型三萜(10)、乌苏烷型三萜(11, 12)、羽扇豆烷型三萜(13, 14)。其中化合物1为新化合物, 化合物3~91112为首次从中药连翘中分离得到。评价了这些化合物对脂多糖(LPS) 诱导小鼠巨噬细胞RAW 264.7产生一氧化氮(NO) 的抑制作用, 结果显示这些化合物均未表现出明显的抑制活性。

, correspAuthors=张治军, authorNote=null, correspAuthorsNote=
*张治军, Tel: 86-871-65920569, E-mail:
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No.δCδH (J in Hz)No.δCδH (J in Hz)
1 37.2 1.66 m; 1.15 dd (12.3, 3.8) 11 21.5 1.38 m
2 28.0 1.75 d (3.8); 1.59 dd (12.3, 3.5) 12 39.5 1.95 m
3 78.8 3.25 dd (11.8, 3.5) 13 165.0 -
4 39.2 - 14 127.3 5.86 d (8.1)
5 54.6 1.07 dd (12.5, 2.8) 15 191.6 9.98 d (8.1)
6 24.1 2.03 dd (12.5, 8.7); 1.73 d (2.8) 16 17.8 2.16 s
7 38.2 2.38 m 17 107.0 4.87 s; 4.49 s
8 147.6 - 18 28.4 0.98 s
9 56.0 1.55 m 19 15.5 0.76 s
10 39.5 - 20 14.0 0.68 s
), ArticleFig(id=1194703919415791911, tenantId=1146029695717560320, journalId=1189982191388893191, articleId=1193259089384932175, language=CN, label=Table 1, caption=

1H (600 MHz) and 13C NMR (150 MHz) data of compound 1 in CDCl3

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No.δCδH (J in Hz)No.δCδH (J in Hz)
1 37.2 1.66 m; 1.15 dd (12.3, 3.8) 11 21.5 1.38 m
2 28.0 1.75 d (3.8); 1.59 dd (12.3, 3.5) 12 39.5 1.95 m
3 78.8 3.25 dd (11.8, 3.5) 13 165.0 -
4 39.2 - 14 127.3 5.86 d (8.1)
5 54.6 1.07 dd (12.5, 2.8) 15 191.6 9.98 d (8.1)
6 24.1 2.03 dd (12.5, 8.7); 1.73 d (2.8) 16 17.8 2.16 s
7 38.2 2.38 m 17 107.0 4.87 s; 4.49 s
8 147.6 - 18 28.4 0.98 s
9 56.0 1.55 m 19 15.5 0.76 s
10 39.5 - 20 14.0 0.68 s
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连翘中一个新的半日花烷型二萜类化合物
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陈晓兰 , 杨青青 , 陈宣钦 , 李蓉涛 , 张治军 *
药学学报 | 研究论文 2025,60(3): 755-761
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药学学报 | 研究论文 2025, 60(3): 755-761
连翘中一个新的半日花烷型二萜类化合物
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陈晓兰, 杨青青, 陈宣钦, 李蓉涛, 张治军*
作者信息
  • 昆明理工大学生命科学与技术学院, 云南 昆明 650500

通讯作者:

*张治军, Tel: 86-871-65920569, E-mail:
A new labdane diterpene compound in Forsythia suspensa (Thunb.) Vahl
Xiao-lan CHEN, Qing-qing YANG, Xuan-qin CHEN, Rong-tao LI, Zhi-jun ZHANG*
Affiliations
  • Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
出版时间: 2025-03-12 doi: 10.16438/j.0513-4870.2024-0998
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采用多种色谱分离技术(硅胶柱色谱、MCI柱色谱、Sephadex LH-20凝胶柱色谱等) 对木樨科(Oleaceae) 连翘属植物连翘(Forsythia suspensa) 的果实进行化学成分研究。从其95%乙醇提取部分中分离得到14个萜类化合物, 并通过MS、1D-和2D-NMR等波谱手段和量子化学计算方法进行了结构鉴定: 半日花烷型二萜(1~6)、克罗烷型二萜(7)、降半日花烷型二萜(8)、降克罗烷型二萜(9)、齐墩果烷型三萜(10)、乌苏烷型三萜(11, 12)、羽扇豆烷型三萜(13, 14)。其中化合物1为新化合物, 化合物3~91112为首次从中药连翘中分离得到。评价了这些化合物对脂多糖(LPS) 诱导小鼠巨噬细胞RAW 264.7产生一氧化氮(NO) 的抑制作用, 结果显示这些化合物均未表现出明显的抑制活性。

连翘  /  半日花烷型二萜  /  巨噬细胞RAW 264.7  /  一氧化氮抑制生成活性

The chemical constituents of the fruits of Forsythia suspensa (Thunb.) Vahl were investigated by using chromatographic techniques (silica gel, MCI, and sephadex LH-20 gel column chromatography, etc). Fourteen compounds were isolated from the 95% ethanol extract of F. suspensa, and their structures were identified by HR-ESI-MS, NMR, and calculated electronic circular dichroism (ECD) methods. The compounds included labdane diterpenes (1-6), clerodane diterpene (7), norlabdane diterpene (8), norclerodane diterpene (9), oleanane triterpenoid (10), ursane triterpenoids (11, 12), lupane triterpenoids (13, 14). Among them, compound 1 was a new compound and compounds 3-9, 11, and 12 were obtained from this plant for the first time. The inhibitory effect of these compounds on lipopolysaccharide-induced nitric oxide production in mouse macrophage RAW 264.7 cells also was evaluated. Unfortunately, none of these compounds exhibited significant inhibitory activity.

Forsythia suspensa  /  labdane diterpene  /  macrophage RAW 264.7  /  NO production inhibitory activity
陈晓兰, 杨青青, 陈宣钦, 李蓉涛, 张治军. 连翘中一个新的半日花烷型二萜类化合物. 药学学报, 2025 , 60 (3) : 755 -761 . DOI: 10.16438/j.0513-4870.2024-0998
Xiao-lan CHEN, Qing-qing YANG, Xuan-qin CHEN, Rong-tao LI, Zhi-jun ZHANG. A new labdane diterpene compound in Forsythia suspensa (Thunb.) Vahl[J]. Acta Pharmaceutica Sinica, 2025 , 60 (3) : 755 -761 . DOI: 10.16438/j.0513-4870.2024-0998
连翘(Forsythia suspense) 是木樨科(Oleaceae) 连翘属(Forsythia) 木本植物的干燥果实。连翘用药历史悠久, 始载于《神农本草经》, 其性寒, 味辛苦, 无毒, 入肺、心、胆经, 具有清热解毒、消肿散结的功效, 临床用于治疗痈疽、痈肿疮毒、瘰疬痰核、乳痈、丹毒、风热感冒、温病初期、温热入营、高热烦渴、昏厥发斑、热淋尿闭、热淋涩痛等[1]。连翘为大宗常用的中药材, 2020年版中国药典中列出含连翘的中药制剂有一百多种, 是连花清瘟胶囊、双黄连口服液、银翘散、复方银花解毒颗粒、清喉咽合剂等多种中药制剂的主要原料[2]。现代药理学研究表明其具有抗炎[3]、抗氧化[4]、抗菌[5]、抗病毒[6]和抗过敏[7]等作用。以上信息均表明中药连翘具有巨大的药用价值。
据2018年最新研究综述统计, 从连翘中已发现237个化合物, 包括46个木脂素、31个苯乙醇苷、11个黄酮类化合物、80个萜类化合物、20个环己基乙醇衍生物、6个生物碱、4个甾体和39个其他化合物[8]。最近的化学成分和生物活性研究表明, 连翘中的半日花烷型二萜类具有明显的抗炎活性[9]。为寻找获得更多结构新颖的萜类化合物, 本论文对连翘的95%乙醇提取物进行研究, 重点关注其中的萜类化学成分。从中共分离得14个萜类化合物(图 1), 分别鉴定为(3S, 5R, 9S, 10R)-3-羟基半日花烷-8(17), 13E-二烯-15-醛(1)、agatholic acid (2)、19-hydroxylabda-8(17), 13E-dien-15-al (3)、agathadiol (4)、8-hydroxylabd-13E-en-15-al (5)、uasdlabdane F (6)、caryopterisoid F (7)、19-hydroxy-15, 16-dinorlabd-8(17)-en-13-one (8)、caryopterisoid B (9)、β-香树脂醇乙酸酯(10)、3β, 13β-dihydroxyurs-11-en-28-oic acid (11)、3-羟基-11-乌苏烯-28, 13-内酯(12)、白桦脂酸(13)、白桦脂醇(14)。其中化合物1为新化合物, 化合物3~91112为首次从中药连翘中分离得到。评价了这些化合物对脂多糖诱导小鼠巨噬细胞RAW 264.7产生一氧化氮(NO) 的抑制作用, 结果显示这些化合物均未表现出明显的抑制活性。
化合物1是白色无定形粉末, 通过HR-ESI-MS的准分子离子峰m/z 327.230 1 [M+Na]+ (计算值327.229 5) 确定其分子式为C20H32O2, 不饱和度为5。化合物11H NMR谱(表 1) 显示化合物有4个甲基信号[δH 2.16 (3H, s, Me-16)、0.98 (3H, s, Me-18)、0.76 (3H, s, Me-19) 和0.68 (3H, s, Me-20)], 1个连氧次甲基氢信号[δH 3.25 (1H, dd, J = 11.8, 3.5 Hz, H1-3)], 末端双键的2个氢信号[δH 4.87和4.49 (各1H, s, H2-17)], 双键的1个氢信号[δH 5.86 (1H, d, J = 8.1 Hz, H1-14)] 和醛基的1个氢信号[δH 9.98 (1H, d, J = 8.1 Hz, H1-15)]。化合物113C NMR谱和异核单量子相关(HSQC) 谱(表 1) 表明化合物有20个碳信号, 包括4个甲基碳信号[δC 17.8 (C-16)、28.4 (C-18)、15.5 (C-19) 和14.0 (C-20)], 6个脂肪族亚甲基碳信号[δC 37.2 (C-1)、28.0 (C-2)、24.1 (C-6)、38.2 (C-7)、21.5 (C-11) 和39.5 (C-12)]; 2个次甲基碳信号[δC 54.6 (C-5) 和56.0 (C-9)], 1个含氧叔碳[δC 78.8 (C-3)], 以及2对双键的碳信号[δC 165.0 (C-13) 和127.3 (C-14); 147.6 (C-8) 和107.0 (C-17)] 和1个羰基碳信号[δC 191.6 (C-15)]。
1H-1H COSY谱(图 2) 中能观察到H-1/H-2/H-3、H-5/H-6/H-7和H-9/H-11/H-12的相关片段。且C-1、C-2、C-6、C-7、C-11、C-12为亚甲基信号, C-3为连氧次甲基信号, C-5、C-9为次甲基信号。HMBC谱中H-3与C-4/C-5相关, C-18位甲基氢信号与C-4/C-19相关, C-19位甲基氢信号与C-4/C-5相关, H-5与C-9/C-10相关, H-6与C-8相关, H-17与C-7/C-8相关, H-11与C-8/C-9/C-10相关, C-20位甲基氢信号与C-1/C-10相关, C-16位甲基氢信号与C-12/C-13相关, C-15位醛基氢信号与C-13/C-14相关(图 2)。化合物1的上述NMR数据与半日花烷型二萜3β-hydroxyanticopalic acid[10]的数据非常相似, 两个化合物的区别在于已知化合物3β-hydroxyanticopalic acid的C-15羧基在化合物1被还原为一个醛基。
目前报道的连翘半日花烷型二萜的手性碳的构型均相同, 即H-5和H-9为α构型, C-20甲基为β构型[8, 9]。在化合物1的ROESY谱(图 2) 中, H-5与H-3/H-9相关, H-12与H-20/H-14相关, 说明H-3、H-5和H-9为α构型, C-20甲基为β构型, C-13/C-14的双键为E型。最终通过计算ECD的方式(图 3), 比较3β-hydroxylabda-8(17), 13E-dien-15-al (1a) 和3α-hydroxylabda-8(17), 13E-dien-15-al (1b) 与实验ECD的匹配程度, 1a与化合物1更匹配, 因此, 最终将化合物1鉴定为(3S, 5R, 9S, 10R)-3-羟基半日花烷-8(17), 13E-二烯-15-醛[(3S, 5R, 9S, 10R)-3-hydroxylabda-8(17), 13E-dien-15-al]。
采用LPS诱导小鼠巨噬细胞RAW 264.7炎症模型, 评价了分离得到的14个萜类化合物的抑制NO生成活性, 以L-单甲基精氨酸(NG-monomethyl-L-arginine, L-NMMA) 为阳性对照药。实验结果显示, 化合物1~14在50 μmol·L-1的浓度下均没有明显的抑制作用(L-NMMA, IC50 = 15.2 μmol·L-1), 在50 μmol·L-1浓度以下对小鼠巨噬细胞RAW 264.7均无细胞毒性。
开展了中药连翘的化学成分研究, 重点关注其中的萜类成分, 从中共分离得到了14个萜类化合物。其中化合物1为新化合物, 鉴定为(3S, 5R, 9S, 10R)-3-羟基半日花烷-8(17), 13E-二烯-15-醛, 化合物3~91112为首次从中药连翘中分离得到。另外, 评价了这些化合物对脂多糖诱导小鼠巨噬细胞RAW 264.7产生一氧化氮的抑制作用。结果显示这些化合物在50 μmol·L-1的浓度下均未表现出明显的抑制活性。
Agilent LC-MS-Q-TOF 6530超高效液相色谱-高分辨质谱联用仪, Agilent 1200半制备型高效液相色谱仪, Zorbax SB-C18 (5 μm, 9.4 mm × 250 mm) 色谱柱(美国Agilent公司); Bruker AVANCE-III 600 MHz核磁共振波谱仪, Bruker Tensor-27红外光谱仪(德国Bruker公司); Autopo VI高精度旋光仪(美国Rudolph Research Analytical公司); UV-8000紫外分光光度计(上海元析仪器有限公司); CHP-20P MCI硅胶(日本三菱化学公司); Sephadex LH-20凝胶(南京元宝峰医药科技有限公司); GF254薄层色谱硅胶板(青岛海洋有限公司); 80~100和200~300目柱色谱正向硅胶(青岛基亿达硅胶试剂有限公司); 柱色谱用石油醚、乙酸乙酯、甲醇分析纯等溶剂(永华化学股份有限公司); Thermo Forma 3111细胞恒温培养箱; Multiskan Sky High 1550全波长酶标仪(美国Thermo Forma公司); Spectra Max M2多功能读板机(美国Melecular Devices公司); L-NMMA (上海碧云天生物技术有限公司)。
连翘(F. suspensa) 果实(青翘) 于2022年7月在云南省昆明市菊花药材市场店购得, 经本论文作者之一陈宣钦教授鉴定为木樨科连翘属连翘的果实, 样品编号: KMUST20220706, 样品存放于云南省高校呼吸道病毒性疾病新药重点实验室。
连翘果实10.0 kg, 干燥后粉碎, 95%乙醇(100 L × 3) 浸泡提取, 每次浸泡48 h, 合并浓缩至无乙醇味, 用等体积的乙酸乙酯萃取三次, 得到乙酸乙酯部位1.2 kg。乙酸乙酯部位硅胶(80~100目) 拌样, 硅胶柱色谱(200~300目), 使用二氯甲烷-甲醇(100∶1~1∶1) 洗脱得到组分Fr.1~Fr.3. Fr.1 (10.1 g) 硅胶柱色谱, 使用石油醚-乙酸乙酯(30∶1~5∶1) 洗脱得到组分Fr.1.3 (1.2 g), 结晶得到化合物10 (358.2 mg)。Fr.2 (405.1 g) 硅胶柱色谱, 使用石油醚-乙酸乙酯(10∶1~1∶1) 洗脱得到四个组分Fr.2.1~2.4。Fr.2.2 (87.3 g) 经过MCI柱(1.0 kg, 15 cm × 30 cm) 色谱, 依次用30%、50%、70%、80%、90%甲醇-水分离得到组分Fr.2.2.1~2.2.10。Fr.2.2.4 (896.0 mg) 硅胶柱色谱, 使用二氯甲烷-异丙醇(40∶1~10∶1), 洗脱得到化合物5 (6.2 mg)。Fr.2.2.6 (3.3 g) 过硅胶柱使用石油醚-丙酮(5∶1~1∶1) 洗脱得到五个组分Fr.2.2.6.1~2.2.6.5。Fr.2.2.6.2 (680.0 mg) 用制备液相色谱(78%甲醇水, 10 mL·min-1, λ = 210 nm, tR = 39, 28, 33 min) 分离得到化合物7 (2.1 mg)、8 (8.7 mg) 和9 (7.3 mg)。Fr.2.2.7 (1.1 g) 凝胶柱色谱, 甲醇洗脱得到Fr.2.2.7.1~2.2.7.2。Fr.2.2.7.1 (829.0 mg) 硅胶柱色谱, 使用石油醚-丙酮(15∶1~2∶1), 洗脱得到化合物1 (3.2 mg) 和3 (37.6 mg)。Fr.2.2.8 (1.0 g) 过硅胶柱使用石油醚-丙酮(15∶1~2∶1) 得到Fr.2.2.8.4 (410.0 mg), 继续用半制备液相色谱(88%甲醇水, 3 mL·min-1, λ = 210 nm, tR = 22, 29 min) 分离得到化合物11 (8.3 mg) 和14 (3.2 mg)。Fr.2.2.10 (63.0 g) 硅胶柱色谱, 使用石油醚-二氯甲烷(5∶1~1∶1) 洗脱得到Fr.2.2.10.3, 结晶得到化合物13 (13.0 mg)。Fr.2.3 (65.0 g) MCI柱(1.0 kg, 15 cm× 30 cm) 色谱, 依次用30%、50%、70%、80%、90%甲醇-水分离得到四个组分Fr.2.3.1~2.3.4。Fr.2.3.2 (27.0 g) 结晶得到化合物2 (31.5 mg)。Fr.2.3.2硅胶柱色谱使用二氯甲烷-丙酮(20∶1~5∶1) 洗脱得到Fr.2.3.2.2 (526.3 mg), 凝胶柱色谱, 甲醇洗脱得到化合物6 (5.3 mg)。Fr.2.3.2.3 (45.2 mg) 薄层色谱制备分离得到化合物4 (6.4 mg)。Fr.2.3.3 (1.2 g) 硅胶柱色谱, 使用石油醚-乙酸乙酯(20∶1~2∶1) 洗脱得到Fr.2.3.3.1~Fr.2.3.3.3。Fr.2.3.3.2 (786.0 mg) 凝胶柱色谱, 甲醇洗脱得到组分Fr.2.3.3.2.1~Fr.2.3.3.2.4。Fr.2.3.3.2.2 (182.0 mg) 硅胶色谱柱使用二氯甲烷-异丙醇(80∶1~10∶1) 洗脱, 得到组分Fr.2.3.3.2.2.3 (74.0 mg), 液相色谱制备(73%甲醇水, 3 mL·min-1, λ = 203 nm, tR = 34 min) 分离得到化合物12 (5.7 mg)。
(3S, 5R, 9S, 10R)-3-羟基半日花烷-8(17), 13E-二烯- 15-醛[(3S, 5R, 9S, 10R)-3-hydroxylabda-8(17), 13E-dien-15-al, 1], 白色无定形粉末。UV (MeOH) λmax (log ε): 195 (4.25), 239 (4.18) nm; [α]$ {}_{\mathrm{D}}^{20.2} $ +22.0 (c 0.21, MeOH); IR (KBr) νmax: 3 365, 2 966, 2 750, 1 701, 1 666, 1 449, 1 299, 1 031 cm-1; ECD (MeOH) λmaxε) 199 (-13.12) nm; 238 (+1.81) nm; 1H (CDCl3, 600 MHz) 和13C NMR (CDCl3, 150 MHz) 见表 1; HR-ESI-MS m/z 327.230 1 [M+Na]+ (calc. for C20H33O2, 327.229 5)。
Agatholic acid (2), 白色无定形粉末, 分子式为C20H32O31H NMR (600 MHz, CDCl3) δH 5.67 (1H, s, H-14), 4.84 (1H, s, H-17a), 4.49 (1H, s, H-17b), 3.75 (1H, d, J = 10.9 Hz, H-18a), 3.39 (1H, d, J = 10.9 Hz, H-18b), 2.39 (1H, m, H-7a), 2.31 (1H, m, H-12a), 2.16 (3H, s, H-16), 1.99 (1H, m, H-12b), 1.92 (1H, m, H-7b), 1.80 (3H, m, H-1b, 3b, 6a), 1.68 (1H, m, H-9), 1.58 (1H, d, J = 11.2 Hz, H-2a), 1.50 (3H, m, H-2b, 11a, 11b), 1.30 (1H, m, H-6b), 1.25 (1H, dd, J = 12.8, 2.4 Hz, H-5), 1.04 (1H, td, J = 12.8, 5.0 Hz, H-1a), 0.98 (4H, m, H-3a, 19), 0.65 (3H, s, H-20); 13C NMR (150 MHz, CDCl3) δC 15.6 (C-20), 19.3 (C-19), 65.4 (C-18), 107.1 (C-17), 19.6 (C-16), 171.7 (C-15), 115.0 (C-14), 164.3 (C-13), 39.9 (C-12), 24.7 (C-11), 40.3 (C-10), 56.5 (C-9), 148.0 (C-8), 38.9 (C-7), 27.4 (C-6) 56.4 (C-5), 35.6 (C-4), 39.3 (C-3), 21.8 (C-2), 39.2 (C-1)。以上数据与文献[11]报道一致。
19-Hydroxylabda-8(17), 13E-dien-15-al (3), 白色无定形粉末, 分子式为C20H32O21H NMR (600 MHz, CD3OD) δH 9.94 (1H, d, J = 8.2 Hz, H-15), 5.81 (1H, d, J = 8.2 Hz, H-14), 4.87 (1H, s, H-17a), 4.53 (1H, s, H-17b), 3.71 (2H, m, H-18), 2.40 (1H, m, H-7a), 2.20 (3H, s, H-16), 2.09 (1H, m, H-6a), 2.00 (2H, m, H-7b, 12a), 1.84 (2H, m, H-6b, 9), 1.58 (3H, m, H-1a, 2a, 3a), 1.49 (1H, m, H-2b), 1.31 (4H, m, H-1b, 3b, 11a, 11b), 0.95 (3H, s, H-20), 0.70 (4H, m, H-5, 19); 13C NMR (150 MHz, CD3OD) δC 14.4 (C-20), 63.3 (C-19), 26.5 (C-18), 105.8 (C-17), 16.3 (C-16), 192.2 (C-15), 126.6 (C-14), 166.6 (C-13), 38.8 (C-12), 21.2 (C-11), 38.6 (C-10), 56.2 (C-9), 147.8 (C-8), 39.1 (C-7), 24.1 (C-6), 56.1 (C-5), 39.3 (C-4), 35.0 (C-3), 18.6 (C-2), 38.3 (C-1)。以上数据与文献[12]报道一致。
Agathadiol (4), 白色无定形粉末, 分子式为C20H34O21H NMR (600 MHz, CDCl3) δH 6.04 (1H, d, J = 16.0 Hz, H-14), 4.79 (1H, s, H-17a), 4.41 (1H, s, H-17b), 3.54 (2H, m, H-15), 2.26 (3H, s, H-16), 1.27 (3H, s, H-19), 0.80 (3H, s, H-20); 13C NMR (150 MHz, CDCl3) δC 15.5 (C-20), 19.1 (C-19), 65.1 (C-18), 106.7 (C-17), 16.5 (C-16), 59.6 (C-15), 123.1 (C-14), 140.7 (C-13), 38.5 (C-12), 24.5 (C-11), 39.7 (C-10), 56.4 (C-9), 148.2 (C-8), 39.0 (C-7), 27.2 (C-6), 56.4 (C-5), 38.7 (C-4), 35.5 (C-3), 22.0 (C-2), 39.1 (C-1)。以上数据与文献[12]报道一致。
8-Hydroxylabd-13E-en-15-al (5), 白色无定形粉末, 分子式为C20H34O21H NMR (600 MHz, CDCl3) δH 9.39 (1H, d, J = 8.1 Hz, H-15), 5.30 (1H, d, J = 8.1 Hz, H-14), 3.18 (1H, dd, J = 12.0, 3.8 Hz, H-3), 2.18 (3H, s, H-16), 1.25 (3H, s, H-17), 1.05 (6H, s, H-18, 20), 0.84 (3H, s, H-19); 13C NMR (150 MHz, CDCl3) δC 14.3 (C-20), 23.2 (C-19), 28.0 (C-18), 29.9 (C-17), 15.6 (C-16), 195.1 (C-15), 137.9 (C-14), 161.6 (C-13), 32.1 (C-12), 27.5 (C-11), 31.6 (C-10), 53.6 (C-9), 78.8 (C-8), 38.9 (C-7), 20.5 (C-6), 49.9 (C-5), 30.2 (C-4), 36.6 (C-3), 17.6 (C-2), 36.3 (C-1)。以上数据与文献[12]报道一致。
Uasdlabdane F (6), 白色无定形粉末, 分子式为C20H30O31H NMR (600 MHz, CDCl3) δH 5.77 (1H, m, H-14a), 4.92 (1H, s, H-17a), 4.86 (1H, d, J = 11.0 Hz, H-12a), 4.43 (1H, s, H-17b), 3.40 (1H, d, J = 11.0 Hz, H-3a), 2.41 (1H, m, H-7a), 2.27 (1H, d, J = 11.8 Hz, H-7a), 2.10 (3H, s, H-16), 1.92 (1H, ddd, J = 13.9, 11.8, 1.7 Hz, H-9a), 1.68 (1H, m, H-11a), 1.43 (3H, m, H-2a, 6a, 11b), 1.35 (2H, m, H-1, 5), 1.28 (3H, m, H-1a, 6b), 1.02 (3H, s, H-19), 0.75 (3H, s, H-18), 0.72 (3H, s, H-20); 13C NMR (150 MHz, CDCl3) δC 14.1 (C-20), 17.6 (C-19), 28.0 (C-18), 106.4 (C-17), 15.1 (C-16), 173.4 (C-15), 116.6 (C-14), 169.6 (C-13), 83.7 (C-12), 35.3 (C-11), 39.3 (C-10), 52.4 (C-9), 148.4 (C-8), 38.3 (C-7), 18.6 (C-6), 48.5 (C-5), 38.1 (C-4), 72.3 (C-3), 24.2 (C-2), 37.9 (C-1)。以上数据与文献[13]报道一致。
Caryopterisoid F (7), 白色无定形粉末, 分子式为C20H28O31H NMR (600 MHz, CDCl3) δH 9.41 (1H, s, H-18), 6.73 (1H, t, J = 3.8 Hz, H-3), 5.81 (1H, m, H-14), 4.90 (1H, d, J = 10.3 Hz, H-12), 2.59 (2H, m, H-2a, 6a), 2.47 (1H, dt, J = 11.3, 5.6 Hz, H-2b), 2.07 (3H, s, H-16), 1.85 (2H, m, H-1a, 11a), 1.55 (2H, m, H-8a, 10a), 1.47 (2H, m, H-7a, 11b), 1.36 (1H, d, J = 4.6 Hz, H-1b), 1.26 (3H, s, H-19), 1.03 (1H, dt, J = 11.8, 2.4 Hz, H-6b), 0.80 (3H, d, J = 7.0 Hz, H-17), 0.77 (3H, s, H-20); 13C NMR (150 MHz, CDCl3) δC 17.2 (C-20), 25.6 (C-19), 194.0 (C-18), 16.6 (C-17), 14.3 (C-16) 173.4 (C-15), 116.9 (C-14), 169.5 (C-13), 82.0 (C-12), 40.8 (C-11), 46.0 (C-10), 40.7 (C-9), 36.9 (C-8), 28.7 (C-7), 35.2 (C-6), 38.9 (C-5), 147.2 (C-4), 155.2 (C-3), 33.1 (C-2), 17.4 (C-1)。以上数据与文献[14]报道一致。
19-Hydroxy-15, 16-dinorlabd-8(17)-en-13-one (8), 无色油状物, 分子式为C18H30O21H NMR (600 MHz, CD3OD) δH 4.76 (1H, s, H-17a), 4.40 (1H, s, H-17b), 3.66 (1H, d, J = 11.0 Hz, H-18a), 3.20 (1H, d, J = 11.0 Hz, H-18b), 2.53 (1H, ddd, J = 17.7, 9.1, 4.6 Hz, H-12a), 2.32 (2H, m, H-7), 2.03 (3H, s, H-16), 1.87 (1H, td, J = 12.8, 4.9 Hz, H-6a), 1.79 (1H, m, H-9), 1.75 (1H, m, H-6b), 1.72 (2H, m, H-1a, 3a), 1.54 (2H, m, H-2a, 11a), 1.45 (2H, m, H-1b, 2a), 1.27 (1H, tt, J = 12.6, 6.4 Hz, H-3b), 0.89 (4H, s, H-5a, 19), 0.62 (3H, s, H-17); 13C NMR (150 MHz, CD3OD) δC 15.8 (C-20), 18.8 (C-19), 64.9 (C-18), 107.2 (C-17), 30.1 (C-14), 212.4 (C-13), 43.6 (C-12), 20.2 (C-11), 40.8 (C-10), 57.7 (C-9), 149.4 (C-8), 40.1 (C-7), 28.0 (C-6), 57.7 (C-5), 39.8 (C-4), 36.6 (C-3), 25.7 (C-2), 40.2 (C-1)。以上数据与文献[15]报道一致。
Caryopterisoid B (9), 无色油状物, 分子式为C18H30O21H NMR (600 MHz, CD3OD) δH 5.55 (1H, d, J = 3.7 Hz, H-3), 4.03 (2H, d, J = 5.0 Hz, H-18), 2.32 (2H, m, H-12a, 12b), 2.09 (3H, s, H-16), 2.04 (1H, m, H-2a), 1.98 (1H, m, H-2b), 1.77 (1H, dd, J = 14.9, 9.0 Hz, H-6a), 1.69 (1H, m, H-6b), 1.07 (3H, s, H-19), 0.78 (3H, d, J = 6.0 Hz, H-17), 0.71 (3H, s, H-20); 13C NMR (150 MHz, CD3OD) δC 16.3 (C-20), 24.7 (C-19), 64.4 (C-18), 17.7 (C-17), 32.5 (C-16), 212.7 (C-13), 38.1 (C-12), 35.2 (C-11), 46.7 (C-10), 40.9 (C-9), 37.8 (C-8), 30.1 (C-7), 37.3 (C-6), 38.7 (C-5), 143.9 (C-4), 125.3 (C-3), 30.0 (C-2), 18.4 (C-1)。以上数据与文献[13]报道一致。
β-香树脂醇乙酸酯(10), 无色针状晶体, 分子式为C32H52O21H NMR (600 MHz, CDCl3) δH 5.18 (1H, t, J = 3.7 Hz, H-12), 4.50 (1H, m, H-3), 2.05 (3H, s, H-MeCO), 1.12 (3H, s, H-27), 0.96 (6H, d, J = 2.8 Hz, H-25, 26), 0.86 (12H, m, H-29, 30, 23, 24), 0.82 (3H, s, H-28); 13C NMR (150 MHz, CDCl3) δC 171.2 (C-32), 21.5 (C-31), 23.8 (C-30), 33.5 (C-29), 28.5 (C-28), 26.1 (C-27), 16.8 (C-26), 15.7 (C-25), 16.9 (C-24), 28.2 (C-23), 37.2 (C-22), 34.8 (C-21), 31.2 (C-20), 46.9 (C-19), 47.3 (C-18), 32.6 (C-17), 26.2 (C-16), 27.0 (C-15), 41.8 (C-14), 145.3 (C-13), 121.7 (C-12), 23.7 (C-11), 36.9 (C-10), 47.7 (C-9), 39.9 (C-8), 32.7 (C-7), 18.4 (C-6), 55.3 (C-5), 37.8 (C-4), 81.1 (C-3), 23.7 (C-2), 38.4 (C-1)。以上数据与文献[16]报道一致。
3β, 13β-Dihydroxyurs-11-en-28-oic acid (11), 无色晶体, 分子式为C30H48O41H NMR (600 MHz, CDCl3) δH 5.95 (1H, m, H-12), 5.52 (1H, dd, J = 10.3, 3.2 Hz, H-11), 3.21 (1H, dd, J = 11.7, 4.8 Hz, H-3), 1.25 (3H, d, J = 12.0 Hz, H-27), 1.15 (3H, s, H-26), 1.04 (3H, s, H-25), 0.99 (3H, m, H-24), 0.93 (3H, s, H-29), 0.90 (3H, s, H-23), 0.77 (3H, s, H-30); 13C NMR (150 MHz, CDCl3) δC 20.1 (C-30), 18.8 (C-29), 181.0 (C-28), 18.9 (C-27), 19.8 (C-26), 17.1 (C-25), 15.9 (C-24), 28.7 (C-23), 32.2 (C-22), 32.1 (C-21), 41.2 (C-20), 39.0 (C-19), 61.5 (C-18), 46.0 (C-17), 26.5 (C-16), 27.9 (C-15), 42.8 (C-14), 90.7 (C-13), 129.7 (C-12), 134.4 (C-11), 37.3 (C-10), 54.4 (C-9), 42.6 (C-8), 31.7 (C-7), 18.6 (C-6), 55.6 (C-5), 39.9 (C-4), 79.8 (C-3), 23.7 (C-2), 39.2 (C-1)。以上数据与文献[17]报道一致。
3-羟基-11-乌苏烯-28, 13-内酯(12), 白色无定形粉末, 分子式为C30H46O31H NMR (600 MHz, CDCl3) δH 5.95 (1H, d, J = 10.3 Hz, H-11), 5.53 (1H, dd, J = 10.4, 3.1 Hz, H-12), 3.21 (1H, dd, J = 11.7, 4.7 Hz, H-3), 1.05 (3H, d, J = 5.6 Hz, H-27), 0.99 (6H, d, J = 7.0 Hz, H-26, 29), 0.93 (3H, d, J = 6.3 Hz, H-30), 0.90 (3H, s, H-25), 0.78 (3H, s, H-23), 0.73 (3H, m, H-24); 13C NMR (150 MHz, CDCl3) δC 18.0 (C-30), 18.1 (C-29), 180.1 (C-28), 15.1 (C-27), 19.0 (C-26), 19.3 (C-25), 16.2 (C-24), 27.9 (C-23), 31.4 (C-22), 30.9 (C-21), 40.4 (C-20), 39.0 (C-19), 60.6 (C-18), 45.2 (C-17), 22.9 (C-16), 27.1 (C-15), 42.0 (C-14), 89.9 (C-13), 128.9 (C-12), 133.6 (C-11), 36.4 (C-10), 53.1 (C-9), 41.8 (C-8), 31.3 (C-7), 17.8 (C-6), 54.8 (C-5), 38.2 (C-4), 79.0 (C-3), 25.6 (C-2) 38.4 (C-1)。以上数据与文献[18]报道一致。
白桦脂酸(13), 白色无定形粉末, 分子式为C30H48O31H NMR (600 MHz, CDCl3) δH 12.08 (1H, s, H-28), 4.68 (1H, s, H-29), 4.58 (1H, s, H-29), 3.20 (1H, dd, J = 5.1, 10.8 Hz, H-3), 1.69 (3H, m, H-30), 0.97 (3H, s, H-27), 0.96 (6H, s, H-24, 26), 0.93 (3H, s, H-29), 0.81 (3H, s, H-23), 0.76 (3H, s, H-25); 13C NMR (150 MHz, CDCl3) δC 19.3 (C-30), 109.5 (C-29), 179.2 (C-28), 14.6 (C-27), 16.1 (C-26), 15.4 (C-25), 20.9 (C-24), 20.9 (C-23), 34.3 (C-22), 29.7 (C-21), 150.8 (C-20), 42.4 (C-19), 47.0 (C-18), 56.2 (C-17), 30.6 (C-16), 27.9 (C-15), 40.6 (C-14), 38.3 (C-13), 25.5 (C-12), 18.3 (C-11), 37.1 (C-10), 50.5 (C-9), 38.8 (C-8), 32.3 (C-7), 15.8 (C-6), 55.4 (C-5), 38.8 (C-4), 78.8 (C-3), 26.9 (C-2), 37.2 (C-1)。以上数据与文献[19]报道一致。
白桦脂醇(14), 白色无定形粉末, 分子式为C30H50O21H NMR (600 MHz, CDCl3) δH 4.68 (1H, d, J = 2.4 Hz, H-29), 4.58 (1H, s, H-29), 3.80 (1H, d, J = 10.8 Hz, H-28), 3.33 (1H, d, J = 10.8 Hz, H-28), 3.19 (1H, dd, J = 11.6, 4.7 Hz, H-3), 2.39 (1H, td, J = 11.2, 5.9 Hz, H-19), 1.94 (3H, s, H-30), 1.03 (6H, s, H-26, 27), 0.97 (3H, s, H-23), 0.82 (3H, s, H-25), 0.76 (3H, s, H-24); 13C NMR (150 MHz, CDCl3) δC 19.7 (C-30), 108.6 (C-29), 59.4 (C-28), 13.6 (C-27), 15.0 (C-26), 14.8 (C-25), 14.3 (C-24), 25.9 (C-23), 32.8 (C-22), 28.6 (C-21), 149.4 (C-20), 47.6 (C-19), 46.6 (C-18), 46.6 (C-17), 28.6 (C-16), 26.9 (C-15), 41.6 (C-14), 36.0 (C-13), 26.2 (C-12), 24.0 (C-11), 36.1 (C-10), 49.2 (C-9), 39.8 (C-8), 33.1 (C-7), 17.2 (C-6), 54.1 (C-5), 37.5 (C-4), 77.9 (C-3), 28.0 (C-2), 37.7 (C-1)。以上数据与文献[20]报道一致。
ECD计算的方法与本课题组发表的文章[21]描述一致。
体外抗炎活性筛选采用小鼠单核巨噬细胞RAW 264.7模型[22], 具体如下: RAW 264.7细胞用含10% FBS DMEM培养液于37 ℃、5% CO2培养箱中常规培养。细胞按每毫升1×105个、每孔接种200 μL于96孔板中, 置于37 ℃、5% CO2细胞培养箱中贴壁24 h后。各组加入终浓度为1 μg·mL-1 LPS, 继续培养24 h, 离心, 取上清液按照Griess法测定上清液中NO的含量。
作者贡献: 陈晓兰负责连翘化学成分的提取分离、化合物结构鉴定; 杨青青负责生物实验和结构ECD计算; 陈宣钦对连翘进行鉴定; 李蓉涛和张治军负责实验的设计和论文框架的构建; 张治军负责稿件的撰写修改。
利益冲突: 本研究不存在研究者、伦理委员会成员、受试者监护人以及公开研究成果有关的利益冲突。
  • 云南省基础研究计划(202101BE070001-045)
  • 云南省重大科技专项(202302AG050004)
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doi: 10.16438/j.0513-4870.2024-0998
  • 接收时间:2024-10-16
  • 首发时间:2025-11-06
  • 出版时间:2025-03-12
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  • 收稿日期:2024-10-16
  • 修回日期:2024-12-16
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云南省基础研究计划(202101BE070001-045)
云南省重大科技专项(202302AG050004)
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    昆明理工大学生命科学与技术学院, 云南 昆明 650500

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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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