N-Ethyl-1-piperazinecarboxamide is used in the synthesis of Quinolinamines I derivatives which displays anti-leishmanial activity. Also, it is an intermediate of Amperozide Dihydrochloride (A634803), which is the monochloride derivative of Amperozide Dihydrochloride, a compound displaying high affinity for 5-HT2 receptors and membrane-active substance with influences the entrapping curves in human erythrocytes.