An efficient insertion reaction of alpha-diazoketone to various carboxylic acids was achieved by using Cu(acac)(2) as a catalyst. Treatment of the diazo compound with a carboxylic acid (1.2 equiv) in the presence of Cu(acac)(2) (0.1 equiv) at room temperature afforded the corresponding ketoester in good yield. Various kinds of functional groups were tolerated under the reaction conditions. (C) 1998 Elsevier Science Ltd. All rights reserved.
Rodionow et al., Zhurnal Obshchei Khimii, 1953, vol. 23, p. 1835,1839; engl. Ausg. S. 1939, 1942
作者:Rodionow et al.
DOI:——
日期:——
The synthesis of δ-succinamidolœvulic acid and related compounds