Copper-Catalyzed Intramolecular Oxidative C(sp<sup>3</sup>)-H Amidation of 2-Aminoacetophenones: Efficient Synthesis of Indoline-2,3-diones
作者:Jinbo Huang、Tingting Mao、Qiang Zhu
DOI:10.1002/ejoc.201400012
日期:2014.5
An efficient synthesis of diverse indoline-2,3-diones from 2-aminoacetophenones through copper-catalyzedintramolecular C(sp3)–H amidation is developed. The reaction proceeds in DMSO by using O2 as the sole oxidant to provide the desired products in moderate to good yields.
Copper-Catalyzed Aerobic Oxidative CH and CC Functionalization of 1-[2-(Arylamino)aryl]ethanones Leading to Acridone Derivatives
作者:Jipan Yu、Haijun Yang、Yuyang Jiang、Hua Fu
DOI:10.1002/chem.201204169
日期:2013.3.25
Efficient copper‐catalyzedaerobicoxidative CH and CC functionalization of 1‐[2‐(arylamino)aryl]ethanones leading to acridones has been developed. The procedure involves cleavage of aromatic CH and acetyl CC bonds with intramolecular formation of a diarylketone bond. The protocol uses inexpensive Cu(O2CCF3)2 as catalyst, pyridine as additive, and economical and environmentally friendly oxygen