Two new monoterpenoid indole alkaloids from Tabernaemontana divaricata

Two new monoterpenoid indole alkaloids from Tabernaemontana divaricata
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Tabernaemontana divaricata 中的两种新单萜吲哚生物碱

DOI:
10.1080/14786419.2018.1488707
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发表时间:
2018-11
影响因子:
2.2
通讯作者:
Zhang Yu
Zhang Yu
中科院分区:
化学3区
文献类型:
--
作者:
Yuwen Huan-Sha;Yuan Yu-Xi;Hao Xiao-Jiang;He Hong-Ping;Zhang Yu

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摘要 从 Tabernaemontana divaricata 的枝和叶的甲醇提取物中分离出两种新的单萜吲哚生物碱 Tabervarines A (1) 和 B (2),以及七种已知的单萜吲哚生物碱。基于MS、NMR和ECD计算阐明了新生物碱的结构,包括绝对构型。还评估了分离的生物碱针对几种人类癌细胞系的体外细胞毒活性。
Abstract Two new monoterpenoid indole alkaloids, tabervarines A (1) and B (2), along with seven known monoterpenoid indole alkaloids, were isolated from the methanol extract of the twigs and leaves of Tabernaemontana divaricata. The structures including the absolute configurations of the new alkaloids were elucidated based on MS, NMR, and ECD calculation. The in vitro cytotoxic activities of the isolated alkaloids against several human cancer cell lines were also evaluated.
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