Influence of different protecting groups on the regioselectivity of the hydrotelluration reaction of hydroxy alkynes
                                
                                    
                                        作者:Juliana M. Oliveira、Dayvson J. Palmeira、João V. Comasseto、Paulo H. Menezes                                    
                                    
                                        DOI:10.1590/s0103-50532010000200024
                                    
                                    
                                        日期:——
                                    
                                    The influence of protecting groups on the synthesis of regio- and stereodefined vinyl tellurides derived from the reaction of BuTeNa and propargylic- or homo-propargylic alcohols showed that TIPS silyl ether is useful as a regiodirecting group. The application of the methodology to the synthesis of a fragment of (+/-)-Seselidiol, a natural product, demonstrated the applicability of the new methodology.