Ultrasonics sonochemistry

Introduction of poly (4-vinylpyridinium) perchlorate as a new, efficient, and versatile solid acid catalyst for one-pot synthesis of substituted coumarins under ultrasonic …

NG Khaligh, F Shirini

文献索引：Khaligh, Nader Ghaffari; Shirini, Farhad Ultrasonics Sonochemistry, 2013 , vol. 20, # 1 p. 26 - 31,6

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被引用次数: 20

摘要

Poly (4-vinylpyridinium) perchlorate, is a supported, recyclable, eco-benign catalyst for synthesis of substituted coumarins via Pechmann reaction using ultrasound irradiation at room temperature and neat condition in high yields with short reaction times. The catalyst ...