PhI-Catalyzed α-Tosyloxylation of Ketones with m-Chloroperbenzoic Acid and p-Toluenesulfonic Acid
Yukiharu Yamamoto, Hideo Togo*
*Graduate School of Science and Technology, Chiba University, Yayoi-cho 1-33, Inage-ku, Chiba 263-8522, Japan, Email: togofaculty.chiba-u.jp
Y. Yamamoto, H. Togo, Synlett, 2006, 798-800.
Various α-tosyloxyketones were efficiently prepared in high yields from the reaction of ketones with m-chloroperbenzoic acid and p-toluenesulfonic acid in the presence of a catalytic amount of iodobenzene.
see article for more examples
Iodoarene-Mediated α-Tosyloxylation of Ketones with MCPBA and p-Toluenesulfonic Acid
A. Tanaka, K. Moriyama, H. Togo, Synlett, 2011, 1853-1854.
Novel Oxidative α-Tosyloxylation of Alcohols with Iodosylbenzene and p-Toluenesulfonic Acid and Its Synthetic Use for Direct Preparation of Heteroaromatics
M. Ueno, T. Nabana, H. Togo, J. Org. Chem., 2003, 68, 6424-6426.
iodobenzene, hypervalent iodine compounds, Koser's Reagent, α-tosyloxy ketones, α-hydroxylation, ketones, m-chloroperbenzoic acid, p-toluenesulfonic acid, catalysts