Patent ID: 8852756
Filing Date: 2014-10-07
Classification: C07C,C07D,C07F,C09B,C09K,H01L,Y02E,Y02P

Abstract:
1. A compound of the formula (1) wherein Y and Z are, identically or differently, N, P, P═O, PF Ar Ar E is on each occurrence, identically or differently, a single bond, N(R R R X X p=0; one of the two indices n and o is equal to 1, and the other of the two indices n and o is equal to 0; q and r are on each occurrence 1 if the corresponding central atom of the group Y or Z is an element from the 5 s is 1, 2 or 3; and t is on each occurrence, identically or differently, 0 or 1, where t=0 means that R