Patent ID: 9748497
Date: 2017-08-29
CPC Classifications: C07D,C09K,H01L

Claim:
1. A compound having Formula I wherein: R with the proviso that (i) at least one of R wherein at least one of R 1 -R 3 is an aryl group having Formula a where: R′ is the same or different at each occurrence and is selected from the group consisting of D, alkyl, alkoxy, aryl, aryloxy, silyl, diarylamino, deuterated alkyl, deuterated alkoxy, deuterated aryl, deuterated aryloxy, deuterated silyl, and deuterated diarylamino; a is the same or different at each occurrence and is an integer from 0-4; b is an integer from 0-5; and m is an integer from 1 to 5.