Phenylbenzoisoquinolindione alkaloids accumulate in stamens of Xiphidium caeruleum Aubl. flowers
Phenylbenzoisoquinolindione alkaloids accumulate in stamens of Xiphidium caeruleum Aubl. flowers
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DOI：
10.1016/j.phytochem.2016.05.002
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发表时间：
2016-08-01
期刊：
影响因子：
3.8
通讯作者：
Schneider, Bernd
中科院分区：
文献类型：
--
作者：
Chen, Yu;Paetz, Christian;Schneider, Bernd
对毛毛豆科Xiphidium caeruelium花器官心皮、花梗、花瓣和雄蕊的化学成分进行了研究。雄蕊似乎是以前未描述的苯基苯并异喹啉二酮类的丰富来源，苯基苯并异喹啉二酮类是一组苯基非那烯酮衍生的生物碱，也称为氮杂苯基非那烯酮。9个以前未描述的化合物具有相同的氮杂-苯基非那烯酮核心结构，但不同的氨基酸衍生的侧链在位置2分离和它们的结构通过核磁共振（NMR）光谱和质谱（MS）阐明。此外，在花的雄蕊等部位还发现了苯并异喹啉二酮类、苯并异色烯酮类和黄酮类化合物。具体发生的杂环phenalenone型化合物在X caeruronium表明这些参与生理或生态过程。(C)2016爱思唯尔有限公司版权所有
Xiphidium caeruleum (Haemodoraceae) flower organs such as carpels, pedicels, petals, and stamens were separately investigated for their phytochemical profile. The stamens appeared to be a rich source of previously undescribed phenylbenzoisoquinolindiones, a group of phenylphenalenone-derived alkaloids, also named aza-phenylphenalenones. Nine previously undescribed compounds with an identical aza-phenylphenalenone core structure but different amino acid-derived side chains at position 2 were isolated and their structures elucidated by nuclear magnetic resonance (NMR) spectroscopy and mass spectrometry (MS). In addition, some previously reported phenylbenzoisoquinolindiones, phenyl-benzoisochromenones and flavonoids were found in stamens and other parts of the flowers. The specific occurrence of heterocyclic phenylphenalenone-type compounds in X caeruleum suggests these are involved in physiological or ecological processes. (C) 2016 Elsevier Ltd. All rights reserved.