Ultrasonic assisted synthesis of bis-coumarins over clinoptilolite-zeolite catalyst

Clinoptilolite-zeolite has been modified and used as catalyst for the synthesis of bis-coumarines from reaction of aldehydes and 4-hydroxycoumarin under ultrasonic irradiation in excellent yields.

کلیدواژه ها:

Bis-coumarin ، Recyclable catalyst ، Ultrasonic irradiation ، Clinoptilolite-zeolite