T. Lash, B. H. Novak, Yan-Duo Lin
Apr 18, 1994
Citations
0
Influential Citations
39
Citations
Journal
Tetrahedron Letters
Abstract
Abstract 9-Nitrophenanthrene ( 1 ) and 5-nitro-1,10-phenanthroline ( 4 ) condensed with esters of isocyanoacetic acid in the presence of one equivalent of DBU to give the corresponding phenanthropyrroles 2 and phenantholinopyrroles 5 , respectively, in excellent yields.