Copper-Mediated Synthesis of Aryl α-Keto Amides from Epoxide Derivatives
作者:Heng Xu、Fenghua Liu、Yunjian Cui、Yi Dong
DOI:10.1055/s-0040-1707990
日期:2020.6
A novel CuII-mediated synthesis of aryl α-keto amides fromepoxide derivatives is reported. This transformation was conducted by using O2 as a green oxidant that meets the requirements of sustainable chemistry.
Synthesis of α-Ketoamides from Aryl Methyl Ketones and N,N-Dimethylformamide via Copper-Catalyzed Aerobic Oxidative Coupling
作者:Qiuling Song、Mingxin Zhou
DOI:10.1055/s-0033-1339109
日期:——
Abstract A copper-catalyzedaerobicoxidativecoupling of aryl methyl ketones with N,N-dimethylformamide was developed, which afforded α-ketoamides by a sequence of dioxygen activation, C–H bond functionalization, and amide formation with N,N-dimethylformamide as the nitrogen source. Molecular oxygen was found to play a crucial role in this transformation. A copper-catalyzedaerobicoxidativecoupling of aryl
Radical Cross-Coupling Reaction Based on Hydrogen Atom Abstraction of DMF and Decarboxylation of α-Ketoacid under Electricity
作者:Yanjie Wang、Xia Meng、Changqun Cai、Lingyun Wang、Hang Gong
DOI:10.1021/acs.joc.2c01461
日期:2022.11.18
The cleavage of DMF into a dimethyl carbamoyl radical under mild electrochemical conditions was revealed for the first time. Meanwhile, an electrochemical decarboxylation of α-ketoacid occurred to produce an acyl radical. The radical cross-coupling reaction of these two electron-deficient acyl radicals was carried out with high selectivity. This discovery provides a new electrochemical way for the