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Paper | Special issue | Vol 61, No. 1, 2003, pp.147-162
Published online, 26th May, 2003
DOI: 10.3987/COM-03-S9
Synthesis of Indolo[1,2-b]indazole Derivatives

Yong-ming Zhu, Kimiyoshi Kaneko, Osamu Kato, Yoshimitsu Kiryu, Noriyuki Takatsu, Kazuhiko Shiono, and Hajime Katayama*

*School of Pharmacy, Niigata University of Pharmacy and Applied Life Science, 5-13-2 Kamishin'ei-cho, Niigata city, 590-2081, Japan


New methods to synthesize indolo[1,2-b]indazole derivatives as an extension of available methods and thiol reduction of ketone to methylene peculiar to this skeleton were presented.