A New Application of Hypervalent Iodine (λ<sup>5</sup>) Reagents with Organosulfonic Acids for Direct α-Organosulfonyloxylation Carbonyl Compounds
作者:Krishnacharya Akamanchi、Ulhas Mahajan
DOI:10.1055/s-2008-1072508
日期:——
Hypervalent iodine (λ 5 ) reagents in combination with P-toluenesulfonic acid when reacted with ketones under reflux temperature in acetonitrile gave α-tosyloxy ketones in moderate to excellent yields. The reaction was developed further for both ketones and dicarbonyl compounds using Dess-Martin periodinane reagent in combination with P-toluenesulfonic acid and methanesulfonic acid, to give mono-α-tosyloxy