Abstract 11H-Benzo [a] carbazole was prepared from 5-acetamido-1, 2, 3, 4- tetrahydronaphthalene in four steps. A Goldberg arylation followed by hydrolysis afforded N- phenyl-1, 2, 3, 4-tetrahydro-5-naphthylarnine (3). Photolysis of 3 produced 1, 2, 3, 4- ...