Derivatives of fluorine-containing 3-(methoxycarbonylmethylthio)acrylic acids readily undergo base-catalyzed cyclization to form 3-hydroxy- and 3-aminothiophenes.
Derivatives of fluorine-containing 3-(methoxycarbonylmethylthio)acrylic acids readily undergo base-catalyzed cyclization to form 3-hydroxy- and 3-aminothiophenes.