Patent ID: 9005776
Filing Date: 2015-04-14
Classification: C07D,C09K,H01L,H05B

Abstract:
1. A compound having a benzotriazole ring structure represented by formula (1): wherein Ar represents a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted condensed polycyclic aromatic group; and A and B are the same as or different from each other and each represent a hydrogen atom or a monovalent group of formula (2) provided that A and B are not simultaneously hydrogen atoms: wherein R m is an integer of 1 or 2, X represents a carbon atom or a nitrogen atom, wherein when X is a nitrogen atom, the nitrogen atom does not have substituents or bonding groups of R wherein when m is 2, a plurality of R