Synthesis of a Benzo[5,6]cyclohepta[1,2-b]thiophene and Thieno[3,2-c]-benzazepine Derivatives - Kohara, Toshiyuki; Tanaka, Hiroshi; Kimura, Koreichi; Fujimoto, Tetsuya; Yamamoto, Iwao; Arita, Masafumi (Synthesis, 2002)