Biochemistry & Analytical Biochemistry

Abstract

Herbicidal Quassinoids Isolated from Ailanthus altissima Leaves

Young Sook Kim, Surk-Sik Moon* and Jung Sup Choi*

Bioassay-guided fractionation of the methanolic extract of Ailanthus altissima leaves led to the isolation of one new quassinoid, named 6-α-tigloyloxyailanthone (3), and three known quassinoids, ailanthone (1), 13, 18-dehydroglaucarubinone (2), and 6-α-tigloyloxychaparrinone (4) by a series of chromatographic methods. The structures of the isolates were established by one-dimensional (1D) and 2D-Nuclear Magnetic Resonance (NMR) analysis along with High- Resolution Time-Of-Flight Mass Spectrometry (HRTOFMS) and chemical methods. In addition, herbicidal activity against five grassy weeds and five broad-leaf weeds was evaluated.

Published Date: 2023-12-18; Received Date: 2023-11-16