Synthesis and Structure of 1,7-Dichlorodibenzoheptalene-4,10-dione, a Saddle-Shaped Polycyclic Aromatic Compound

Article abstract of DOI:10.1016/S0040-4039(00)77661-1

We describe the synthesis and X-ray crystal structure of the title compound, which is the first fully unsaturated derivative of dibenzoheptalene to be prepared.The X-ray structure reveals a saddle-shaped molecule possessing approximate C₂