Two new quinolone alkaloids from the nearly ripe fruits of Tetradium ruticarpum

Two new quinolone alkaloids from the nearly ripe fruits of Tetradium ruticarpum
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黄果近成熟果实中的两种新喹诺酮生物碱

DOI:
10.1080/14786419.2019.1566819
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发表时间:
2019-08
影响因子:
2.2
通讯作者:
Qi-Zhi Wang
Qi-Zhi Wang
中科院分区:
化学3区
文献类型:
--
作者:
Yi-Heng Li;Xiao Liu;Min Yin;Fei Liu;Bi Wang;Xu Feng;Qi-Zhi Wang

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摘要 Tetradium ruticarpum (Juss.) Benth。属于芸香科。黄果木完整且近成熟的果实被用作中药,并对黄果木种子提取物进行了植物化学研究,为其性质提供了科学验证。在本研究中,我们成功地从黄果木近成熟果实的甲醇提取物中分离出两种新的喹诺酮生物碱(1-2)。通过一维和二维核磁共振、紫外和电喷雾电离飞行时间质谱法确定了这些化合物的结构。这一发现扩大了对芸香科,特别是四合属天然成分的理解。
Abstract Tetradium ruticarpum (Juss.) Benth. belong to the family of Rutaceae. The complete and nearly ripe fruits of T. ruticarpum is used as traditional Chinese medicine and phytochemical investigations have been conducted on extracts of the seeds of T. ruticarpum to provide scientific validation of its properties. In this study, we successfully isolated two new quinolone alkaloids (1-2) from the MeOH extractive of nearly ripe fruits of T. ruticarpum. The structure elucidation of these compounds was determined by one- and two-dimensional nuclear magnetic resonance, ultraviolet and electrospray ionisation time-of-flight mass spectrometry. This finding expands the understanding of the natural constituents of the Rutaceae, in particular, the Tetradium genera.
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