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Microwave assisted, solvent-free synthesis of quinolinyl-1,2,4–s-triazolo[4,3-a]quinoxalines using IBD

P.K.Dubey, A.Naidu, K.Shiva Kumar

Reaction of 2-chloro-3-hydrazinoquinoxaline (1) with 2-chloroquinoxalin-3-carboxaldehyde (2) under microwave irradiation yielded N-(2-chloro-4a,8a-dihydroquinoline-3yl-methyl)-N-3-chloro-quinoxalin-2yl)hydrazine (3)which on further reaction with IBD under solvent-free, microwave irradiation conditions resulted in the formation of the title compound (4).