Microwave Assisted Synthesis of Coumarins via Potassium Carbonate Catalyzed Knoevenagel Condensation in 1-n-Butyl-3-methylimidazolium Bromide Ionic Liquid.

Microwave assisted synthesis of coumarin

Microwave assisted synthesis of coumarins via potassium carbonate catalyzed knoevenagel condensation in 1-n-butyl-3-methylimidazolium bromide ionic liquid

✍ Hassan Valizadeh; H. Gholipur; Abbas Shockravi 📂 Article 📅 2007 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 222 KB

## Abstract magnified image A variety of substituted coumarins have been prepared __via__ an inexpensive and efficient potassium carbonate catalyzed Knoevenagel condensation of salisylaldehydes with acidic methylene compounds in ionic liquid media. 1‐__n__‐Butyl‐3‐methylimidazolium bromide has bee