General Synthesis of Unsymmetrical Tetrasubstituted Oxamides via 1,1′-(1,2-Dioxoethane-1,2-diyl)bis-1H-benzotriazole
作者:Alan R. Katritzky、Julian R. Levell、David P. M. Pleynet
DOI:10.1055/s-1998-2020
日期:1998.2
Aliphatic, alicyclic, and aromatic secondary amines are converted by 1,1′-(1,2-dioxoethane-1,2-diyl)bis-1H-benzotriazole, in a two-step process, into unsymmetrical tetrasubstituted oxamides in good yields. 1,1′-(1,2-Dioxoethane-1,2-diyl)bis-1H-benzotriazole is available in high yield from benzotriazole and oxalyl chloride.
脂肪族、脂环族和芳香族仲胺通过1,1′-(1,2-二氧乙烷-1,2-二基)双-1H-苯并三唑,在两步反应过程中,以良好的产率转化为非对称四取代草酰胺。1,1′-(1,2-二氧乙烷-1,2-二基)双-1H-苯并三唑可从苯并三唑和草酰氯高产率地获得。