Abstract
A facile and straightforward procedure for the synthesis of
spiro-benzobacridine-6,2'-furan derivatives via the reaction between
benzobacridine-6,11-dione, electron-deficient acetylenic compounds,
and an isocyanide is described. The benzobacridine-6,11-dione is
obtained from the reaction between 2-(aminomethyl)aniline and
2-hydroxynaphthalene-1,4-dione via an unexpected reaction pathway. The
products are synthesized in medium to high yields and no complicated
purification is required. (C) 2012 Elsevier Ltd. All rights reserved.
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