The remarkable catalytic activity of ultra-small free-CeO2 nanoparticles in selective carbon–carbon bond formation reactions in water at room temperature
Remarkable catalytic activity of silica nanoparticle in the bis-Michael addition of active methylene compounds to conjugated alkenes
作者:Subhash Banerjee、Swadeshmukul Santra
DOI:10.1016/j.tetlet.2009.01.154
日期:2009.5
We have demonstrated the remarkable catalytic activity of silica nanoparticles (NPs) in the unusual bis-Michael addition of activemethylenecompounds to conjugated alkenes at room temperature. The catalyst silica NPs were reused up to seven runs without appreciable loss of catalytic activity.
Quantitative aspects of base-catalyzed Michael addition: Mechanistic study of structural and medium effects on rate
作者:John A. Markisz、Joseph D. Gettler
DOI:10.1139/v69-319
日期:1969.6.1
The quantitative kinetics of the reactions of acrylonitrile and methyl vinyl ketone with ethyl acetoacetate and 2,4-pentanedione, and those of acrylonitrile with ethanol and methanol in basic solut...