Purpurenol, a Highly Oxygenated Coumarin From Pterocaulon-purpurascens

Abstract

A new 5,6,7,8-tetraoxygenated coumarin, named purpurenol, was isolated from aerial parts of Pterocaulon purpurascens. Its structure was elucidated on the basis of the spectral data and was confirmed by X-ray analysis