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Note | Regular issue | Vol 78, No. 8, 2009, pp.2115-2119
Published online, 17th April, 2009
DOI: 10.3987/COM-09-11705
A New Coumarin from Clausena excavata

Surat Laphookhieo,* Tawanan Sripisut, Uma Prawat, and Chatchanok Karalai

*School of Science, Mae Fah Luang University, 333 Moo 1, Tasud, Muang, Chiang Rai, 57100, Thailand


Chemical investigation of the fruits and stems of Clausena excavata led to the isolation and identification of a new coumarin namely clausenaexcavin (1) along with five known compounds (2-6). All structures were characterized by extensive 1D and 2D NMR spectroscopic methods.