A convenient one-pot preparation of 1,3-dithiole-2-thiones and 1,3-diselenole-2-selones substituted with phenyl, alkyl, alkylthio, hydroxymethyl, and formyl groups was accomplished from readily available acetylenes in good to excellent yields.
方便的一锅法实现了对1,3-
硫代
二噁烷-2-
硫酮和1,3-
硒代
二噁烷-2-
硒酮的合成,这些化合物被苯基、烷基、烷基
硫、羟甲基和甲酰基等取代基修饰,产率良好至优异,所用的原料是易得的
乙炔。