The Coumarins From the Resin of Euodia vitiflora

Abstract

Three coumarins isolated from the resin of Euodia vitiflora have been shown by spectroscopic as well as chemical evidence to be 7-(3',3'-dimethylallyloxy)-coumarin (1),7-(3'-carboxybutoxy)coumarin (2), and 7-(3'-carboxybut-2'-enoxy)coumarin (4).