Edulisones A and B, two epimeric benzo[b]oxepine derivatives from the bark of Aglaia edulis

Two benzo[b]oxepine derivatives, edulisones A (1) and B (2), were isolated from the bark of Aglaia edulis, collected in Indonesia. The structures of compounds 1 and 2 were determined by spectroscopic data interpretation as well as by chemical transformation.