Catalyst-free generation of acyl radicals induced by visible light in water to construct C–N bonds
作者:Maogang Ran、Jiaxin He、Boyu Yan、Wenbo Liu、Yi Li、Yunfen Fu、Chao-Jun Li、Qiuli Yao
DOI:10.1039/d0ob02364g
日期:——
for the direct generation of acyl radicals fromα-diketones, and its selective conversion of nitrosoarenes to hydroxyamides or amides with AcOH or NaCl as an additive. The reaction was carried out under mild conditions in water with purple LEDs as the light source. A broad scope of substrates was demonstrated. Mechanistic experiments indicate that α-diketones cleave to give acyl radicals, with hydroxyamides
On the solvolysis of N-acetoxy-N-acetylaminobiphenyl: the complete lack of nitrenium ion involvement.
作者:Graham R. Underwood、Robert Kirsch
DOI:10.1016/s0040-4039(00)61865-8
日期:1985.1
The solvolysis of N-acetoxy-4-acetylaminobiphenyl in 40% buffered aqueous acetone has been studied. Two processes have been identified, both leading exclusively to the formation of hydroxamic acid. By the use of 0-18 labeling, both have been shown to involve the intermediacy of nitreniumions.