Simple Method for the Preparation of Dimethyl Acetals from Ketones with Montmorillonite K 10 and p‐Toluenesulfonic Acid

Abstract

A simple method for conversion of ketones to their corresponding dimethyl acetals using montmorillonite K 10 and p‐toluenesulfonic acid as acidic cocatalysts under very mild reaction conditions is described.

Keywords:

• Dimethyl acetals
• ketones
• montmorillonite K 10
• p‐toluenesulfonic acid

Acknowledgments

This research was made possible by grant BQU2001‐3184 from the Spanish Ministry of Science and Technology. D. R. thanks CajaCanarias for a SEGAI fellowship.