Photolytic double decarbonylation route to highly substituted indenes and benzene derivatives

Article abstract of DOI:10.1016/0040-4020(95)01069-6

UV irradiation of cyclohexane solution of a 4,7-ethanoindene-8,9-dione derivative led to a facile extrusion of two molecules of carbon monoxide to give a dihydroindene along with its dehydrogenated product, a methylene indene (benzofulvene). The inseparab