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Short Paper | Special issue | Vol 90, No. 1, 2015, pp.673-680
Published online, 9th June, 2014
DOI: 10.3987/COM-14-S(K)28
Pd-Catalyzed Intramolecular Oxidative Coupling Reaction of 1,1’-Carbonyldiindoles

Takumi Abe and Minoru Ishikura*

*Faculty of Pharmaceutical Sciences, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Hokkaido 061-0293, Japan

Abstract

The palladium-catalyzed intramolecular oxidative coupling reaction of 1,1’-carbonyldiindoles was achieved by using Pd(OAc)2 and Cu(OAc)2, producing 1,1’-carbonyl-2,2’-biindolyls, which were then converted to tjipanazoles D and I.