Use of 5,5-(Dimethyl)-<i>i</i>-Pr-PHOX as a Practical Equivalent to <i>t</i>-Bu-PHOX in Asymmetric Catalysis
                                
                                    
                                        作者:Étienne Bélanger、Marie-France Pouliot、Jean-François Paquin                                    
                                    
                                        DOI:10.1021/ol9005618
                                    
                                    
                                        日期:2009.5.21
                                    
                                    The use of 5,5(dimethyl)-i-Pr-PHOX as a practical equivalent of t-Bu-PHOX in asymmetric catalysis is reported. This new member of the phosphinooxazoline (PHOX) ligand family behaves similarly in terms of stereoinduction to t-Bu-PHOX with the key advantage of being readily accessible as both enantiomers starting from either (S)- or (R)-valine.