Perylene-3,4,9,10-tetracarboxylic acid monoanhydride monoimide and monoimidazolide compounds, processes for their preparation and their use

US4594420A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Ernst Spietschka · Idstein, DE
• Helmut Troster · Königstein, DE

Key dates

• Filing date: Mar 12, 1984
• Grant date: Jun 10, 1986
• Expiry date: Mar 12, 2004

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D491/06
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Compounds of the formula ##STR1## wherein X denotes a chlorine or bromine atom, n denotes a number from zero to 4 and Y denotes an oxygen atom or a nitrogen atom, and A, if Y represents an oxygen atom, is the phenyl radical, which can be substituted by substituents from the group comprising halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, carbalkoxy with 1-4 carbon atoms in the alkyl radical, hydroxyl, carboxyl, CF.sub.3, nitro, phenoxy, phenoxy which is substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy and/or halogen, phenylamino, phenylamino which is substituted in the phenyl radical by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy and/or halogen, phenylazo and phenylazo which is substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -akloxy and/or halogen, or is the pyridyl radical, which can be substituted by halogen and/or C.sub.1 -C.sub.4 -alkyl, or A, if Y represents a nitrogen atom, is the o-phenylene radical, which, together with Y and the other nitrogen atom, forms the benzimidazole ring, it being possible for the benzene nucleus of the benzimidazole ring to be substituted by substituents from the group comprising halogen, C.sub.1 -C.sub.4 …