%0 Journal Article %A Mona Hosseini-Sarvari %A Ensieh Safary %A Aliasghar Jarrahpour %A Roghaye Heiran %T Synthesis of N-formylated β-lactams using nano-sulfated TiO2 as catalyst under solvent-free conditions %J Comptes Rendus. Chimie %D 2012 %P 980-987 %V 15 %N 11-12 %I Elsevier %R 10.1016/j.crci.2012.09.014 %G en %F CRCHIM_2012__15_11-12_980_0