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Communication | Regular issue | Vol 6, No. 1, 1977, pp.29-32
Published online, 1st January, 1970
DOI: 10.3987/R-1977-01-0029
Syntheses of Thieno[2,3-c]-, Pyrrolo[2,3-c]- and Indolo[2,3-c]diazanaphthalenes by Photocyclization of Acylaminopyridines

Yuichi Kanaoka,* Kunio San-nohe, Yasumaru Hatanaka, Kazuhiko Itoh, Minoru Machida, and Masanao Terashima

*Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan


By the photocyclization of the amides derived from thiophene-2-, N-methylpyrrole-2-, and N-methylindole-2-carboxylic acids and aminopyridines, novel polycyclic heteroaromatic systems such as thieno[2,3-c]-, pyrrolo[2,3-c]-, and indolo[2,3-c]diazanaphthalenes were synthesized.