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Updated: Jun 23, 2025

Facile Preparation of 4-Substituted Quinazoline Derivatives

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(±) -Hypernumqulins A-H:来自Hypericum monogynum L的6/6/6/4/10环系统的八对意想不到的 [2+2] 循环添加式基类类化合物

Zhaoyue Dong¹, Qingxiu Pu², Yinda Qiu²

¹Chongqing Key Laboratory of New Drug Screening from Traditional Chinese Medicine, Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City & Southwest University, SWU-TAAHC Medicinal Plant Joint R&D Centre, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, PR China; Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, PR China.

Bioorganic chemistry

|June 18, 2024

概括

从Hypericum monogynum L中发现了8种新的类类化合物与类类化合物融合,这些化合物表现出显著的细胞毒性,具有开发新型抗瘤药物的潜力.

科学领域:

自然产品化学自然产品化学
药用化学医学化学
有机化学有机化学

背景情况:

超 (Hypericum monogynum L.) 是多种生物活性化合物的来源.
昆类类化合物和类类化合物以其药理性质而闻名.
分子网络是发现复杂自然产品的有效策略.

研究的目的:

为了分离和描述从Hypericum monogynum L. L.中与基烯酸合的新型林类化合物.
研究这些新化合物的细胞毒性和亡性活动.
阐明已分离的类化合物的结构特征和潜在生物发生.

主要方法:

以分子网络策略为指导的隔离.
使用NMR光谱学,X射线晶体学和量子化学计算来阐明结构.
对人类癌细胞系的细胞毒性测定 (MCF-7,A549,SGC7901).
通过分析Bax和Bcl-2蛋白质表达来进行亡诱导研究.

主要成果:

分离了八对与生殖类型的基类化物融合的基类类类,称为 (±) -Hypernumqulins A-H (1-8).
这些化合物具有前所未有的6/6/6/4/10环系统,可能通过 [2+2] 循环添加形成.
大多数隔离物对测试的癌症细胞系表现出显著的细胞毒性.
化合物 (±) -1 和 (-) - 1 通过调节巴克斯和Bcl-2 表达来诱导MCF-7细胞的亡.

结论:

这项研究报告了第一个基尔马克兰sésquiterpene quinoline类化合物的例子.
这些新型化合物显示出有前途的抗瘤潜力,需要进一步调查.
这些发现有助于理解Hypericum物种的化学多样性和复杂类化合物的生物合成.

关键词:

(±) - 超数量库林 A−H 细胞毒性细胞毒性这种植物名为Hypericum monogynum L.分子网络是分子网络.塞斯基特烯酸类类化合物 [2+2] 循环加法循环加法

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