An Aspidosperma-type alkaloid dimer from Tabernaemontana bovina as a candidate for the inhibition of microglial activation

文献情報

出版日 2020-04-27

DOI 10.1039/D0QO00296H

インパクトファクター 5.281

著者

Si-Meng Zhao, Mei-Fen Bao, Xiang-Hai Cai

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要旨

Twelve undescribed bisindole alkaloids, tabernaemontines A–L, were simultaneously isolated from the leaves of Tabernaemontana bovina and their structures were elucidated by spectroscopic methods. All alkaloids consist of two Aspidosperma-type units with various intramolecular linkages. Particularly, tabernaemontines A–D were assembled through C-3/14′ with a large angle strain, whilst tabernaemontines E–K adopted a preferential conformation. Tabernaemontine L was assembled via a C-14/10′ connection. Tabernaemontines F, K and L showed good inhibition of microglial activation. As a representative of Aspidosperma-type dimers, the P38 MAPK activation inhibition properties of tabernaemontine F were tested. The promising results revealed this compound as a potential candidate for the treatment of chronic neurodegenerative diseases.

掲載誌

Organic Chemistry Frontiers

CiteScore: 7.8

自己引用率: 8.7%

年間論文数: 724

Organic Chemistry Frontiers publishes high-quality research from across organic chemistry. Emphases are placed on studies that make significant contributions to the field of organic chemistry by reporting either new or significantly improved protocols or methodologies. Topics include, but are not limited to the following: Organic synthesis Development of synthetic methodologies Catalysis Natural products Functional organic materials Supramolecular and macromolecular chemistry Physical and computational organic chemistry

An Aspidosperma-type alkaloid dimer from Tabernaemontana bovina as a candidate for the inhibition of microglial activation

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