Chemical constituents of the stems of Neolitsea kedahensis Gamble. (August 2018)

• Record Type: Journal Article
• Authors: Jani, Nor Akmalazura; Sirat, Hasnah Mohd; Ahmad, Farediah; Abed, Salam Ahmed; Aminudin, Nurul Iman
• Is Part Of: Phytochemistry letters. Volume 26(2018)
• Page Start: 12
• Page End: 15
• Publication Date: 2018-08
• Subjects: Neolitsea kedahensis -- Lauraceae -- β-carboline alkaloid -- Sesquiterpene dilactone; Botanical chemistry -- Periodicals; Chimie végétale -- Périodiques; 572.205
• DOI: 10.1016/j.phytol.2018.05.001
• Languages: English
• ISSNs: 1874-3900

Abstract

Graphical abstract: Highlights: Two new β -carboline alkaloids (1–2) were isolated from Neolitsea kedahensis . One new sesquiterpene dilactone (3) was obtained from Neolitsea kedahensis . The relative configuration of (3) was determined by X-ray crystallography. Abstract: Two new β -carboline alkaloids, daibucarbolines D (1 ) and E (2 ) and one new sesquiterpene dilactone, pseudovillosine (3 ), together with five known compounds, taraxerone, taraxerol, pseudoneoliacine, daibucarboline A and linderaggrine A were isolated from the stems of Neolitsea kedahensis (Lauraceae). The structures were confirmed through extensive spectroscopic analysis, while the relative configuration of compound (3 ) was determined by a single crystal X-ray diffraction.