Modulation of π-facial selectivities in nucleophilic additions to 7-norbornenones
                                
                                    
                                        作者:Goverdhan Mehta、Faiz Ahmed Khan                                    
                                    
                                        DOI:10.1016/s0040-4039(00)79601-8
                                    
                                    
                                        日期:1992.5
                                    
                                    The pronounced syn-face selectivity exhibited by 7-norbornenone in hydride reduction is dramatically altered (reversed) by the remote electron withdrawing substituents at the C2,C3-endo-position.