Derivatives of heterocyclic ?-iminocarboxylic acids 3. Synthesis of N-alkoxycarbonyl and N-alkoxycarbonylalkenyl derivatives of ?-iminocarboxylic acids
Derivatives of heterocyclic ?-iminocarboxylic acids 3. Synthesis of N-alkoxycarbonyl and N-alkoxycarbonylalkenyl derivatives of ?-iminocarboxylic acids