Reaction of DimethylN-Aryl- andN-Alkylcarbonimidodithioates with Aminoacetaldehyde Diethyl Acetal: A Direct Synthesis of 1-Aryl- and 1-Alkyl-2-methylthioimidazoles
Reaction of Dimethyl<i>N</i>-Aryl- and<i>N</i>-Alkylcarbonimidodithioates with Aminoacetaldehyde Diethyl Acetal: A Direct Synthesis of 1-Aryl- and 1-Alkyl-2-methylthioimidazoles
The reaction of dimethyl N-aryl- or N-alkylcarbonimidodithioates with aminoacetaldehyde diethyl acetal in refluxing acetic acid affords 1-aryl or 1-alkyl-2-methylthioimidazoles in good yields. Dimethyl N-isopropylcarbonimidodithioate gave 1-isopropylimidazole-2(3H)-thione under similar conditions.