Vicinal acetylenic derivatives of 2-amino-1, 4-naphthoquinone as key precursors of heterocyclic quinones

MS Shvartsberg, EA Kolodina, NI Lebedeva…

Index: Shvartsberg; Kolodina; Lebedeva; Fedenok Russian Chemical Bulletin, 2012 , vol. 61, # 3 p. 582 - 588 Izv. Akad. Nauk, Ser. Khim., 2012 , vol. 61, # 3 p. 582 - 588

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Abstract

Abstract The Pd-catalyzed reaction between 3-acetylamino-2-bromo-1, 4-naphthoquinones and Cu I acetylides prepared in situ gave 3-acetylamino-2-alkynyl-1, 4-naphthoquinones, which were transformed into benz [f] indole-4, 9-dione and benzo [g] quinoline-5, 10-dione derivatives.