The Synthesis and Characterization of Some α-Oxo Ketene-S,S-Acetals with Different Structures

α-Oxo ketene-S,S-acetals with different structures were studied by using three β-dicarbonyl compounds as substrate,K2CO3used as pulling hydride reagents,DMF as solvent,nucleophilic addition to carbon disulfide and nucleophilic substitution to different halogenated.Several characteristics were shown about the reaction,such as the simple raw materials,the mild reaction conditions,and the high yield production etc.Meanwhile NMR,IR and other means of methods were applied to determine the structure of the compounds.