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L-Proline: An Efficient Catalyst for the Synthesis of Coumarins Via Pechmann Reaction

Sharad S. Idhole, Vaibhav B. Dhotre, Santosh V. Goswami, Shankar P. Hangirgekar and Sudhakar R. Bhusare

An efficient and facile route for the synthesis of coumarins via the Pechmann reaction catalyzed by L-proline has been described. The reaction proceeded in dichloromethane at room temperature with good to excellent yields.