Synthetic Communications p. 1994 - 2000 (2021)
Update date:2022-08-22
Topics:
Patil, Vikas S
Yadavalli, Subba Rao
Merugu, Ramchander
Swamy
Devunuri, Nagaraju
An efficient one-pot two-step synthesis of substituted-triazolo[4,3-a]quinoxalin-4(5H)-one has been developed. The 3-hydrazineylquinoxalin-2(1H)-one reacts with respective aldehyde to afford the individual hydrazineylidene intermediate which undergoes oxidative cyclization in the presence of ferric chloride hexahydrate (FeCl3.6H2O) to affords various substituted- triazolo[4,3-a]quinoxalin-4(5H)-one in good to excellent yields.
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