"Tunetake Seki,Yoshiaki Kokubo,Shinichiro Ichikawa,Yoshihito Kayaki,Takao Ikariya","Mesoporous silica-catalysed continuous chemical fixation of CO2 with N,N�f-dimethylethylenediamine in supercritical CO2: Efficient synthesis of 1,3-dimethyl-2-imidazolidinone",,"<I>Chem. Commun.</I>",,,,"  349?351",2009,Jan.