Patent ID: 8637168
Filing Date: 2014-01-28
Classification: C07C,C07D,H01L,Y02E

Abstract:
1. A compound of formula (1) wherein X is on each occurrence, identically or differently, N, B, P, P═O, P═S, 1,3,5-triazine, N(Ar Ar Ar Ar R Ar is on each occurrence, identically or differently, an aromatic or heteroaromatic ring system having 5 to 30 aromatic ring atoms, optionally substituted by one or more non-aromatic radicals R R n is 2 or 3; P is on each occurrence, identically or differently, 0, 1 or 2; q is 1 if p=0, 1 or 2 if p=1, and 1 or 2 if p=2; r is on each occurrence, identically or differently, 0, 1 or 2.