Free carboxylic acids are converted into amides in moderate to high yields in the presence of a stoichiometric amount of trimethylaluminium and amines at 90 ËC after 1 hour.
自由羧酸在三甲基铝和胺的存在下,以适中至高产率,在90摄氏度下经过1小时后转化为酰胺。
Nickel-catalyzed C–H/N–H annulation of aromatic amides with alkynes in the absence of a specific chelation system
作者:Atsushi Obata、Yusuke Ano、Naoto Chatani
DOI:10.1039/c7sc01750b
日期:——
of KOBut involves C–H/N–H oxidative annulation to give 1(2H)-isoquinolinones. A key to the success of the reaction is the use of a catalytic amount of strong base, such as KOBut. The reaction shows a high functional group compatibility. The reaction with unsymmetrical alkynes, such as 1-arylalkynes, gives the corresponding 1(2H)-isoquinolinones with a high level of regioselectivity. This discovery would