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Zirconyl (IV) Chloride Catalyzed Solvent-Free Von Pechmann Synthesis Of Coumarins

Devanand B.Shinde, Sandeep A.Kotharkar, Rahul R.Nagawade

Zirconyl (IV) chloride is used as an efficient catalyst in the Von Pechmann condensation reaction of phenols with β-keto esters leading to the formation of coumarin derivatives in excellent yields under solvent-free conditions.