Solvent- and supporting electrolyte-free electrolysis in a two-compartment cell proved to be effective for the direct electroactivation of CH acid-containing compounds vs. catalytic addition processes. Michael adducts (including quaternary carbon centres) and 2-nitroalkanols were obtained in very good yields and selectivity on application of a catalytic amount of electricity under galvanostatic conditions
Efficient Organocatalytic Michael Addition Reaction of β−Ketoesters under High Pressure
作者:Hiyoshizo Kotsuki、Maya Moritaka、Keiji Nakano
DOI:10.3987/com-13-12818
日期:——
The Michael addition reaction of beta-ketoesters was efficiently promoted by a cooperative dual catalyst system composed by DMAP and thiourea A under high-pressure conditions (0.8 GPa) in toluene. The expected relatively congested adducts of 1,5-dicarbonyl compounds were prepared in high to excellent yield.