Identification of Three New N-Demethylated and O-Demethyled Bisbenzylisoquinoline Alkaloid Metabolites of Isoliensinine from Dog Hepatic Microsomes

Identification of Three New N-Demethylated and O-Demethyled Bisbenzylisoquinoline Alkaloid Metabolites of Isoliensinine from Dog Hepatic Microsomes
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狗肝微粒体中异莲心碱三种新 N-去甲基化和 O-去甲基化双苄基异喹啉生物碱代谢物的鉴定

DOI:
10.3390/molecules171011712
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发表时间:
2012-10
期刊:
影响因子:
4.6
通讯作者:
Zeng, Su
Zeng, Su
中科院分区:
化学2区
文献类型:
--
作者:
Zhou, Hui;Li, Liping;Jiang, Huidi;Zeng, Su

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异莲心碱(Isoliensinine)是一种天然酚类双苄基四氢异喹啉生物碱,具有抗氧化、抗HIV等生物学活性,近年来受到广泛关注。用高效液相色谱和电喷雾串联质谱从异莲心碱的狗肝微粒体中鉴定出3个新的N-去甲基和O-去甲基代谢产物:2-N-去甲基异莲心碱(M1)、2 '-N-去甲基异莲心碱(M2)和2'-N-6-O-去二甲基异莲心碱(M3)。异莲心碱可能的代谢途径已被提出。本研究结果对异莲心碱及其它双苄基异喹啉类生物碱类药物性质的评价具有重要意义。
Isoliensinine, a natural phenolic bisbenzyltetrahydroisoquinoline alkaloid, has received considerable attention for its potential biological effects such as antioxidant and anti-HIV activities. From the dog hepatic microsomes of isoliensinine, three new N-demethylated and O-demethylated metabolites, 2-N-desmethyl-isoliensinine (M1), 2'-N-desmethylisoliensinine (M2), and 2'-N-6-O-didesmethylisoliensinine (M3), were identified by high-performance liquid chromatography and data-dependent electrospray ionization tandem mass spectrometry. Possible metabolic pathways for isoliensinine have been proposed. The result should prove very helpful for evaluation of the drug-like properties of isoliensinine and other bisbenzylisoquinoline alkaloids.
DOI: --
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