6-Bromo-2-(diprop-2-ynylamino)-1H-benzo[de]isoquinoline-1,3(2H)-dione

Abstract

The asymmetric unit of the title compound, C18H11BrN2O2, contains two independent molecules in which the prop-2-ynylamino groups have different mutual orientations. In one molecule, the Br atom is disordered over two positions, with refined occupancies of 0.742 (2) and 0.258 (2).