Year	2009
Authors	Ching-Fa Yao
Paper Title	Catalyst-free 1,3-dipolar cycloaddition of 3-nitrochromen with sodium azide: A facile method for the synthesis of 4-aryl-1,4-dihydrochromeno[4,3-d][1,2,3]triazole derivatives
Journal Title	Tetrahedron
Vol.No	65
Date of Publication	2009-07-01