Journal
TETRAHEDRON
Volume 72, Issue 27-28, Pages 4123-4131Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2016.05.054
Keywords
Copper; Oxidation; Aza-Diels-Alder; Rearrangement; Indoles
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We developed facile one-pot methods for the transformation of 2-arylindoles to polyhydropyrido[1,2-a]indoles and tetracyclic quinazolinones. The copper-catalyzed oxidation of 2-arylindoles to C-acylimines followed by aza-Diels-Alder reactions or oxidative ring-expansion reactions afforded significant polycyclic heterocycles. (C) 2016 Elsevier Ltd. All rights reserved.
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