SYNTHESIS OF β-ACETAMIDO KETONES USING POLY(4-VINYLPYRIDINE)-SUPPORTED IONIC LIQUID WITH BOTH LEWIS AND BRØNSTED ACID SITES

A supported acidic ionic liquid catalyst was easily prepared from its starting materials and used as an environmentally friendly heterogeneous catalytic system for the synthesis of β-acetamido ketones from the four-component condensation of an aromatic aldehyde with acetophenone, acetyl chloride, and acetonitrile at room temperature. The catalyst favourably combines the properties of ionic liquids and advantages of solid supports and is recoverable without loss in activity.

Keywords:

Poly(4-vinylpyridine)-supported ionic liquid , β-Acetamido ketones , Aldehydes , Multi-component reactions