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Pentafluorophenylammonium triflate (PFPAT): An efficient, metal-free and reusable catalyst for the von Pechmann reaction |
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| Authors: | Naser Montazeri Samad Khaksar Akbar Nazari Seyed Mohammad Vahdat |
| Affiliation: | a Chemistry Department, Faculty of Sciences, Islamic Azad University, Tonekabon, Iran b Chemistry Department, Islamic Azad University, Ayatollah Amoli Branch, Amol, Iran c Chemistry Department, Mazandaran University, Babolsar, Iran |
| Abstract: | Pentafluorophenylammonium triflate (PFPAT) is used as an efficient catalyst in the von Pechmann condensation of phenols with β-ketoesters leading to the formation of coumarin derivatives. Short reaction times, easy and quick isolation of the products, excellent chemoselectivity, excellent yields and ease of catalyst recovery with consistent activity makes this protocol efficient and environmentally benign. |
| Keywords: | Pentafluorophenylammonium triflate Coumarins Pechmann reaction Phenols |
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