Reformatskii reaction on .alpha.-oxo ketene dithioacetals: synthesis of substituted and fused ethyl 2-hydroxy-6-(methylthio)benzoates, 6-(methylthio)pyran-2-ones, and 6-(methylthio)-2(1H)pyridone derivatives
Reformatsky Reaction on α-OxoketeneS,S-Acetals: Synthesis of Novel Polarized VinylketeneS,S-Acetals and Dimethyl 2-Aryl(methyl)-propene-1,3-dicarboxylates