Synthetic Approach to Telomerase Inhibitor Dictyodendrin B: Synthesis of the Pyrrolo[2,3-c]carbazole Core ... Shotaro HIRAO,1 Yumiko SUGIYAMA,1 Masatomo IWAO,2 and Fumito ISHIBASHI ... 1Graduate School of Science and Technology, Nagasaki University, 1-14 Bunkyo-Machi, Nagasaki 852-8521, Japan 2Department of Applied Chemistry, Faculty of Engineering, Nagasaki University, 1-14 Bunkyo-Machi, Nagasaki 852- 8521, Japan ... Received February 12, ...