Über die Synthese von Amino-trifluormethyl-thiophencarbonsäureäthylestern

摘要

The syntheses of ethyl 4-amino-2-trifluormethyl-thiophene-3-carboxylate (14) and of ethyl 3-amino-5-trifluormethylthiophene-2-carboxylate (15) are described.