Copper(II) Triflate Immobilized in [bmim]BF<sub>4</sub>Ionic liquid: An Efficient Reaction Medium for Michael Addition of β-Ketoesters to Acceptor-activated Alkenes
作者:J. S. Yadav、B. V. S. Reddy、Gakul Baishya、A. Venkat Narsaiah
DOI:10.1246/cl.2005.102
日期:2005.1
1,3-Dicarbonyl compounds undergo smooth conjugate addition to α,β-unsaturated ketones in the presence of 10 mol % copper(II) triflate immobilized in air and moisture stable [bmim]BF 4 ionic liquid under extremely mild conditions to afford the corresponding Michael adducts in high to quantitative yield.
Microwave Assisted Michael Addition of Cycloalkenones and Substituted Enones on the Surface of Alumina in Dry Media
作者:Brindaban C. Ranu、Manika Saha、Sanjay Bhar
DOI:10.1080/00397919708003334
日期:1997.2
The Michael addition of ethyl acetoacetate, acetyl acetone and ethyl cyanoacetate to cycloalkenones and B-substituted enones and enal has been accomplished efficiently on the surface of alumina under microwave irradiation in dry media.