α-Nitration of Ketones <i>via</i> Enol Silyl Ethers. Radical Cations as Reactive Intermediates in Thermal and Photochemical Processes
作者:Rajendra Rathore、Jay K. Kochi
DOI:10.1021/jo9515687
日期:1996.1.1
silyl ether (ESE) to TNM results in the radical ion triad [ESE(*)(+), NO(2)(*), C(NO(2))(3)(-)]. A subsequent fast homolytic coupling of the cation radical of the enol silyl ether with NO(2)(*)() leads to the alpha-nitro ketones. The use of time-resolved spectroscopy and the disparate behavior of the isomeric enol silyl ethers of alpha- and beta-tetralones as well as of 2-methylcyclohexanone strongly