Vanadium-Catalyzed Oxidative C(CO)–C(CO) Bond Cleavage for C–N Bond Formation: One-Pot Domino Transformation of 1,2-Diketones and Amidines into Imides and Amides
作者:Chander Singh Digwal、Upasana Yadav、P. V. Sri Ramya、Sravani Sana、Baijayantimala Swain、Ahmed Kamal
DOI:10.1021/acs.joc.7b00950
日期:2017.7.21
identified that enables their transformation into imides and amides. The reaction proceeds by dual acylation of amidines via oxidative C(CO)–C(CO) bond cleavage of 1,2-diketones to afford N,N′-diaroyl-N-arylbenzamidine intermediates. In the reaction, these intermediates are easily hydrolyzed into imides and amides through vanadium catalysis. This method provides a practical, simple, and mild synthetic
1,2-二酮与am的新型钒催化的一锅多米诺反应已被鉴定,该反应可使它们转化为酰亚胺和酰胺。反应通过1,2-二酮的C(CO)-C(CO)键的氧化裂解使dual进行双酰化,从而得到N,N'-二酰基-N-芳基苯甲m中间体。在反应中,这些中间体容易通过钒催化水解成酰亚胺和酰胺。该方法提供了一种实用,简单且温和的合成方法,可以高产率获得各种酰亚胺和酰胺。而且,具有长链烷基的酰亚胺和酰胺键的一步构建是该方案的吸引人的特征。