Title

New triterpenes from the bark of Canarium asperum

College

College of Science

Department/Unit

Chemistry

Document Type

Article

Source Title

Der Pharmacia Lettre

Volume

6

Issue

3

First Page

290

Last Page

294

Publication Date

1-1-2014

Abstract

Chemical investigation of the dichloromethane extract of the resin from the bark of Canarium asperum led to the isolation of a mixture of new triterpene diastereomers, asperol a (1a) and asperol b (1b) in a 3:2 ratio. The structures of 1a and 1b were elucidated by extensive 1D and 2D NMR spectroscopy and confirmed by mass spectrometry. β-amyrin and α-amyrin were also obtained as the major constituents of the resin.

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Disciplines

Chemistry

Keywords

Canarium--Analysis

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