Patent ID: 7285663
Filing Date: 2007-10-23
Classification: C07D,C09B

Abstract:
1. A compound of the formula (I) wherein C is of the formula (a) wherein R 1 independently of one another are hydrogen, C 1 -C 25 alkyl, C 5 -C 12 cycloalkyl, C 6 -C 24 aryl, C 1 -C 25 alkyl-(C 6 -C 10 )-aryl, a heteroaromatic radical having 1, 2 or 3 heteroatoms selected from the group consisting of N, O and S, —(CH 2 ) n —COR 3 and —(CH 2 ) m —OR 4 , in which R and R optionally be replaced by an ether unit C-O-C, and B is ortho-phenylene.