名称:
                                Stereoselective synthesis of 1α-hydroxyvitamin D3 A-ring synthons by palladium-catalyzed cyclization
                             
                            
                                摘要:
                                Palladium-catalyzed cyclization of 8-bromo-2,8-nonadienoates proceeded stereoselectively to give 1-alpha-hydroxyvitamin D3 A-ring synthons in good yields.
                             
                                                            
                                    DOI:
                                    10.1016/s0040-4039(00)93501-9