Sesquiterpenes and a Phenylpropanoid from Cordia trichotoma

Abstract

Two new secondary metabolites, the phenylpropanoid 3-(2′,4′, 5′-trimethoxyphenyl)propanoic acid (1) and the sesquiterpene (+)-1β,4β,6α-trihydroxyeudesmane (2) were isolated from the heartwood of Cordia trichotoma Vell., along with the known sesquiterpenes (-)-1β,4β,7α-trihydroxyeudesmane (3) and (+)-1β,4β,11- trihydroxyoppositane (4). Their structures were elucidated by means of spectroscopic data interpretation, mainly 1D and 2D NMR and mass spectrometry.