Medicinal plants of Southern Africa. Part 1. Dimeric chalcone-based pigments from Brackenridgea zanguebarica

Abstract

From the bark of Brackenridgea zanguebarica four novel biflavonoids have been identified. These include a chalcone-benzofuran dimer, its dihydrobenzofuran derivative, a known dimeric flavanone, and a chalcone-flavanone dimer.