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.