A New Natural Lactone from <em>Dimocarpus</em> <em>longan</em> Lour. Seeds

Abstract

A new natural product named longanlactone was isolated from <em>Dimocarpus</em> <em>longan</em> Lour. seeds. Its structure was determined as 3-(2-acetyl-1<em>H</em>-pyrrol-1-yl)-5-(prop-2-yn-1-yl)dihydrofuran-2(3H)-one by spectroscopic methods and HRESIMS.

Keywords

• &lt;em&gt;Dimocarpus&lt;/em&gt; &lt;em&gt;longan&lt;/em&gt; Lour.
• longan seed
• constituents
• lactone