9-cyano-substituted perylene-3,4-dicarboxylic acid monoimides

US7550606B2 · kind B2 · utility

Assignees

• BASF SE
• Max-Planck-Gesellschaft zur Föderung der Wissenschaften e.V. · US

Inventors

• Arno Boehm · Mannheim, DE
• Peter Blaschka · Ludwigshafen, DE
• Willi Helfer · Friedelsheim, DE
• Dirk Hammel · Worms, DE
• Peter Schlichting · Mannheim, DE
• Klaus Muellen · Cologne, DE

Key dates

• Filing date: Sep 26, 2008
• Grant date: Jun 23, 2009
• Expiry date: Sep 26, 2028

Classification

• Technology area (CPC G): Physics
• CPC primary: G03G5/0637
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The current invention relates to a perylene-3,4-dicarboxylic anhydride, substituted in the 9-position, of the general formula IIIwherein Z is bromine or cyano, and processes for preparing 9-bromoperylene-3,4-dicarboxylic anhydride and 9-cyanoperylene-3,4-dicarboxylic anhydride.