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Short Paper | Special issue | Vol 99, No. 2, 2019, pp.1412-1422
Published online, 7th January, 2019
DOI: 10.3987/COM-18-S(F)88
Synthesis of Indolo[1,2-a]indole Derivatives by Cationic Au(I)-Catalyzed exo-Selective Cycloisomerization and Their Photophysical Properties

Madhurima Hazra, Daisuke Inoue, Mamoru Ito, Kyalo Stephen Kanyiva, and Takanori Shibata*

*Department of Chemistry and Biochemistry, School of Advanced Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan

Abstract

Cationic Au(I)-catalyzed intramolecular cycloisomerization of N-(2-alkynylphenyl)indoles proceeded efficiently in exo-selective manner, and (Z)-10-(arylidene)indolo[1,2-a]indole derivatives were obtained in moderate to high yields. Their photophysical properties were also measured.