Cumene promoted auto-oxidation involved tandem radical cyclization of N-methacryloyl benzamides using CBr4 as the bromine source to construct brominated isoquinolinediones is described.

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Cation Radical Induced Cycloaddition Reaction Between Aryl Imines and EthylDiazoacetate. -A persistent nitrogen-based cation radical is found to be an efficient initiator for the highly cis-selective synthesis of aziridine carboxylates (III). -(HUO*, C.; SUN, C.; HU, D.; JIA, X.; XU, X.; LIU, Z.; Tetrahedron Lett. 52 (2011) 51, 7008-7010, http://dx.