Conveniently prepared naphthalene and perylene derivatives as building blocks for organic electronic materials and dyestuff

US9382264B2 · kind B2 · utility

Assignees

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

Inventors

• Thomas Gessner · Ypsilanti, US
• Helmut Reichelt · Neustadt, DE
• Yulian Zagranyarski · Sofia, BG
• Long Chen · Hoherlehmer Straße, CN
• Chen Li · Santa Clara, US
• Klaus Muellen · Cologne, DE

Key dates

• Filing date: Aug 27, 2013
• Grant date: Jul 5, 2016
• Expiry date: Aug 27, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C2603/52
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention provides the compounds of formulae (3) and (1), wherein n is 0 or 1, R11 and R12 are the same and are selected from the group consisting of CN, OR300, Si(R301)3, NHR302, NR303R304, SR305 and R306, or R11 and R12 together are selected from the group consisting of (a), (b), and (c) and X is Cl, Br or I, and a process for the preparation of compounds of formula (3) comprising the compounds of formula (1) as key intermediates.