Quinoxalines. XXVI. Synthesis of Bis‐azolo[a,c]‐fused Quinoxalines. I. Synthesis from 4‐Substituted 1,2,3‐Triazolo[1,5‐a]quinoxalinesThe synthesis of bis‐azolo‐fused quinoxalines of type.6is described. The new bisazolo‐fused compounds9, 10a, b, 12, and16were synthesized from the 4‐substituted 1,2,3‐triazolo‐[1,5‐a]quinoxalines7, 8, 11, and13by intramolecular cyclization reactions. The structures were determined by microanalysis, i.r.,1H