Enshuol, a Novel Squalene-derived Pentacyclic Triterpene Alcohol from a New Species of the Red Algal Genus Laurencia

Abstract
The structure of a novel brominated triterpenoid, designated enshuol, from the red alga Laurencia omaezakiana Masuda sp. ined. (Enshu-sozo) was elucidated by spectroscopic analysis and chemical reactions of a degradation product.