Patent number: 6979738
Abstract: This invention relates to carbazole compounds of the following formula: In the above formula, each of rings A and B, independently, is heteroaryl containing at least one nitrogen atom; each of X and Y, independently, is CH or N; each of R1–R6, independently, is H, C1–C8 alkyl, C2–C8 alkenyl, C2–C8 alkynyl, C3–C8 cycloalkyl, C3–C8 heterocycloalkyl, aryl, heteroaryl, OH, C1–C6 alkoxy, aryloxy, heteroaryloxy, NH2, C1–C6 alkylamino, C1–C12 dialkylamino, arylamino, diarylamino, or halogen; R7 is H, C1–C8 alkyl, C2–C8 alkenyl, C2–C8 alkynyl, C3–C8 cycloalkyl, C3–C8 heterocycloalkyl, aryl, heteroaryl; and <each of m and n, independently, is 1, 2, or 3.
Type:
Grant
Filed:
October 22, 2003
Date of Patent:
December 27, 2005
Assignee:
Academia Sinica
Inventors:
Ta-Chau Chang, Cheng-Chung Chang, Jin-Yi Wu