A Facile Phase Transfer Catalyzed Michael Addition of Isopropyl<sup>4</sup>−Chlorobenzenesulfonyl Acetate to α, β -Unsaturated Esters
                                
                                    
                                        作者:L. Zhang、W. Zhou、Z. Zhang                                    
                                    
                                        DOI:10.1080/00397919508011374
                                    
                                    
                                        日期:1995.2
                                    
                                    The Michael addition of isopropyl 4-chloro-benzenesulfonyl acetate to alpha, beta-unsaturated esters was studied under PTC conditions.  The method has the advantage of mild reaction conditions and high yield.