Two new aromatic compounds from the resin of Styrax tonkinensis (Pier.) Craib

Abstract

Two new aromatic compounds, trans-(tetrahydro-2-(4-hydroxy-3-methoxyphenyl)-5-oxofuran-3-yl)methyl benzoate (1), 3-(4-hydroxy-3-methoxyphenyl)-2-oxopropyl benzoate (2) and one new natural product, 4-((E)-3-ethoxyprop-1-enyl)-2-methoxyphenol (3) together with five known aromatic compounds have been isolated from the resin of Styrax tonkinensis (Pier.) Craib. Their structures were determined by physical and spectroscopic methods.

Keywords:

• Styrax tonkinensis (Pier.) Craib
• Styracaceae
• Resin
• trans-(Tetrahydro-2-(4-hydroxyl-3-methoxyphenyl)-5-oxofuran-3-yl)methyl benzoate
• 3-(4-Hydroxyl-3-methoxyphenyl)-2-oxopropyl benzoate
• 4-((E)-3-Ethoxyprop-1-enyl)-2-methoxyphenol

Acknowledgements

The authors thank to Miss Wen Li and Mr. Yi Sha of the Analytical Center of Shenyang Pharmaceutical University for recording the ¹H-NMR, ¹³C-NMR and 2D-NMR spectra.