One-pot, two-step synthesis of substituted triazoloquinoxalinone starting from 3-hydrazineylquinoxalin-2(1H)-one
作者:Vikas S Patil、Subba Rao Yadavalli、Ramchander Merugu、Swamy S J、Nagaraju Devunuri
DOI:10.1080/00397911.2021.1918171
日期:——
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
摘要 已开发出一种有效的一锅两步合成取代三唑并[4,3 - a ]quinoxalin-4(5H)-one。3-肼基喹喔啉-2(1H)-one 与相应的醛反应生成单独的肼基中间体,该中间体在六水合氯化铁 (FeCl 3 .6H 2 O)的存在下进行氧化环化,生成各种取代的三唑并 [4,3 - a ]quinoxalin-4(5H)-一种具有良好到极好的产率。