Abstract

A supported dual 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. This catalyst was also applied as an efficient catalyst for the synthesis of α-aminophosphonates. The catalyst favorably combines the properties of ionic liquids and advantages of solid supports and is recoverable without loss in its catalytic activity.

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