Abstract 7 H-Pyrrolo [3, 2-e][1, 2, 4] triazolo [1, 5-c] pyrimidines were synthesized by the reactions of 2-ethoxymethyleneamino-1 H-pyrrole-3-carbonitriles with acid hydrazides and by the reactions of aminoiminopyrimidines (prepared based on the above-mentioned carbonitriles) with acid chlorides.