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US 2009/0023937 A1Published application
9-cyano-substituted perylene-3,4-dicarboxylic acid monoimides
AssigneesBASF SE, Max-Planck-Gesellschaft Zur Foerd Der Wissen. E.V.
InventorsArno Bohm, Peter Blaschka, Willi Helfer, Dirk Hammel, Peter Schlichting, Klaus Mullen
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Abstract
The current invention relates to a perylene-3,4-dicarboxylic anhydride, substituted in the 9-position, of the general formula III wherein Z is bromine or cyano, and processes for preparing 9-bromoperylene-3,4-dicarboxylic anhydride and 9-cyanoperylene-3,4-dicarboxylic anhydride.
Claims16
A perylene-3,4-dicarboxylic anhydride, substituted in the 9-position, of the general formula III
- where Z is bromine or cyano.
9-bromoperylene-3,4-dicarboxylic anhydride of the formula IIIa
9-cyanoperylene-3,4-dicarboxylic anhydride of the formula IIIb
Dependencies are inferred from the claim text.