J. Chezal, E. Moreau, O. Chavignon
Jul 28, 2003
Citations
0
Influential Citations
23
Citations
Journal
Tetrahedron
Abstract
Abstract Novel dipyrido[1,2- a ;3′,4′- d ]imidazoles 7a – d , dipyrido[1,2- a ;4′,3′- d ]imidazoles 8a , c and pyrido[1′,2′;1,2]imidazo[4,5- d ]pyridazine derivatives 9a – d were synthesized by two pathways: thermal electrocyclic reaction of 3-alkenylimidazopyridine-2-oximes 10 and direct condensation of ethyl glycinate (or hydrazine) with 2,3-dicarbonylimidazo[1,2- a ]pyridines 11 .