Synthesis 2012(2): 235-240  
DOI: 10.1055/s-0031-1289968
PAPER
© Georg Thieme Verlag Stuttgart ˙ New York

Isocyanide-Based Four-Component Synthesis of Benzo[a]pyrano[2,3-c]phenazines

Tayebeh Amanpour, Peiman Mirzaei, Ayoob Bazgir*
Department of Chemistry, Shahid Beheshti University, General Campus, Tehran 1983963113, Iran
Fax: +98(22)431663; e-Mail: a_bazgir@sbu.ac.ir;
Further Information

Publication History

Received 4 October 2011
Publication Date:
15 December 2011 (online)

Abstract

An efficient and simple method for the synthesis of biologically interesting benzo[a]pyrano[2,3-c]phenazines by a four-component reaction of o-phenylenediamines, 2-hydroxynaphthalene-1,4-dione, isocyanides, and dialkyl acetylenedicarboxylates in N,N-dimethylformamide at 100 ˚C is reported.