Patent ID: 8748015
Filing Date: 2014-06-10
Classification: C07C,C09K,H01L,H05B

Abstract:
1. An indenofluorenedione derivative represented by formula (I): wherein Ar ar wherein X 1 and X 2 may be the same or different and selected from the following divalent groups represented by formulae (a) to (g): wherein R 21 to R 24 may be the same or different and each independently represent a hydrogen atom, a substituted or unsubstituted fluoroalkyl group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, and R 22 and R 23 may bond to each other to form a ring, R Y wherein the indenofluorenedione derivative represented by formula (I) does not include a compound represented by formula (iii): wherein X