Patent ID: 8399669
Filing Date: 2013-03-19
Classification: C07D

Abstract:
1. A pentarylenetetracarboximide of formula (I) or (Ia) or a mixture thereof wherein each R H; aryloxy, arylthio, hetaryloxy, or hetarylthio, to each of which is optionally fused further saturated or unsaturated 5- to 7-membered rings whose carbon skeleton is optionally interrupted by one or more —O—,—S—, —NR (i) C (ii) C (iii) aryl or hetaryl to which is optionally fused one or more further saturated or unsaturated 5- to 7-membered rings whose carbon skeleton is optionally interrupted by one or more —O—, —S—, —NR (iv) a —U-aryl radical which is optionally mono- or polysubstituted by the by the above radicals specified as substituents for the aryl radicals (iii), wherein U is a —O—,—S—,—NR (v) C R R C aryl or hetaryl, to each of which is optionally fused one or more further saturated or unsaturated 5- to 7-membered rings whose carbon skeleton is optionally interrupted by one or more —O—, —S—, —CO—, and/or —SO each R′ is independently hydrogen; C C aryl or hetaryl, to which is optionally fused one or more further saturated or unsaturated 5 to 7-membered rings whose carbon skeleton is optionally interrupted by one or more —O—, —S—, —NR with the proviso that at least three R