Patent ID: 8586973
Filing Date: 2013-11-19
Classification: C07D,C07F

Abstract:
1. A compound of Formula I: wherein: A is a divalent radical selected from the group consisting of naphthyl, anthryl, phenanthryl, benzamidazolyl, carbazolyl, fluorenyl, pyridazinyl, quinolinyl, isoquinolinyl, quinoxalinyl, benzothiophenyl, phthalazinyl, quinazolinyl, benzimidazolyl, benzoxazolyl, phenanthridinyl, wherein R 11 is a tert-alkyl, fluorinated alkyl, trityl, alkoxy or halogen group; R wherein R l, m, p and q are the same or different at each occurrence and represent an integer from 0 to 4, wherein l+m+p+q>0.