作者:Anna Rosiak、Ralf M. Müller、Jens Christoffers                                    
                                    
                                        DOI:10.1007/s00706-006-0571-4
                                    
                                    
                                        日期:2007.1
                                    
                                    3-Oxo-1-pentene-4-ynes were converted with sodium sulfide or hydrogensulfide to give 2,6-disubstituted 2,3-dihydrothiopyran-4-one derivatives. The starting materials were prepared in two steps from terminal alkynes and alpha,beta-unsaturated aldehydes.