Department of Chemistry, Andhra University, Waltair, India
Department of Chemistry, University College of Swansea, Singleton Park, Swansea SA2 8PP U.K.
Abstract:
A new lignan from is shown to be 1, 2a-dihydroxy-2e-piperonyl-6e-(6″-bromopiperonyl)-3, 7-dioxabicyclo-3,3,0]-octane, the first example of a bromine containing lignan.