%0 Journal Article %A Rama Kant %A Vishal Singh %A Alka Agarwal %T An efficient and economical synthesis of 5-substituted 1H-tetrazoles via Pb(II) salt catalyzed [3+2] cycloaddition of nitriles and sodium azide %J Comptes Rendus. Chimie %D 2016 %P 306-313 %V 19 %N 3 %I Elsevier %R 10.1016/j.crci.2015.11.016 %G en %F CRCHIM_2016__19_3_306_0