Iron(III) Tosylate in the Preparation of Dimethyl and Diethyl Acetals from Ketones and <font> <b>β</b> </font>-Keto Enol Ethers from Cyclic <font> <b>β</b> </font>-Diketones
作者:Horacio Mansilla、María M. Afonso
DOI:10.1080/00397910802219361
日期:2008.7.24
Abstract An efficient method for conversion of ketones to their corresponding dimethyl and diethyl acetals and of cyclic β-diketones into β-keto enol ethers using Fe(OTs)3 as a catalyst is described.
An Improved Procedure for the Preparation of Acetals from Diaryl Ketones
作者:Andrew Thurkauf、Arthur E. Jacobson、Kenner C. Riee
DOI:10.1055/s-1988-27525
日期:——
Acetals of diaryl ketones with nitro, halo and methoxy substituents are easily prepared in high yield by treatment with an alcohol and the corresponding trialkyl orthoformate in the presence of a catalytic amount of trifluoromethanesulfonic acid.