List of Articles β-Unsaturated carbonyl compounds Open Access Article Abstract Page Full-Text 1 - Synthesis, characterization and using Fe3O4@SiO2@FeCl3 as a new nanocatalyst for aza-Michael reaction between amines and ethyl crotonate Hamid Parsa Mohammad Javad Taghizadeh Mojtaba Mossavi Jaber Hosseini