Patent ID: 8859097
Filing Date: 2014-10-14
Classification: C07D,C09K,G03C,Y10S,Y10T

Abstract:
1. A compound of Formula I wherein, R R wherein each —Y— is independently chosen for each occurrence from —CH wherein R q is an integer from 0 to 2; s is an integer from 0 to 3; R B and B′ are each independently: an unsubstituted, mono-, di-, or tri-substituted phenyl or aryl group; 9-julolidinyl; or an unsubstituted, mono- or di-substituted heteroaromatic group chosen from pyridyl, furanyl, benzofuran-2-yl, benzofuran-3-yl, thienyl, benzothien-2-yl, benzothien-3-yl, dibenzofuranyl, dibenzothienyl, carbazoyl; benzopyridyl, indolinyl, and fluorenyl, wherein each of the phenyl, aryl and heteroaromatic substituents are each independently: hydroxyl, a group —C(═O)R wherein K is —CH wherein R B and B′ taken together form one of a fluoren-9-ylidene, mono-, or di-substituted fluoren-9-ylidene, each of said fluoren-9-ylidene substituents being independently chosen from C