Warrener, R.N.Harrison, P.A.Russell, R.A.2014-10-082014-10-081982Journal of the Chemical Society, Chemical Communications, 1982; 1982(19):1134-11360022-4936http://hdl.handle.net/2440/85939The title isoindenes have been prepared by u.v. photolysis of the appropriate 7,7-disubstitued benzonorbornene-2,3-diones, the syntheses of which are described.enCopyright status unknownA photobisdecarbonylation route to isoindenes: a new sythesis of 2,2-dimethyl-and 2,2-spirocyclopentyl-isoindeneJournal article003000921510.1039/c39820001134A1982PK185000292-s2.0-37049093364102263