Selenium‐catalyzed reductive cyclization and carbocyclization of 2,2′‐dinitrostilbenes with carbon monoxide: One‐shot synthesis of indolo[1,2‐c]quinazolinones

Abstract

AbstractWhen 2,2′‐dinitrostilbene derivatives were allowed to react with carbon monoxide in the presence of a catalytic amount of selenium, reductive cyclization and carbocyclization proceeded to give indolo[1,2‐c]quinazolin‐6(5H)‐ones, containing both indole and cyclic urea units, in moderate yields. © 2011 Wiley Periodicals, Inc. Heteroatom Chem 22:571–575, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/hc.20685