Highly diastereoselective Markovnikov hydration of 3,4-dialkoxy-1-alkenes and 4,5-dialkoxy-2-alkenes via a hydroboration-oxidation process
                                
                                    
                                        作者:Michael E. Jung、Usama Karama                                    
                                    
                                        DOI:10.1016/s0040-4039(99)01496-3
                                    
                                    
                                        日期:1999.11
                                    
                                    Hydroboration-oxidation of 3,4-dialkoxy- and 3,4,5-trialkoxy-1-alkenes and 4,5-dialkoxy-2-alkenes occurs to give high proportions of the secondary alcohols (Markovnikov hydration) with excellent diastereoselectivity (anti to the allylic alkoxide). (C) 1999 Elsevier Science Ltd. All rights reserved.