Layered zirconium phosphate and phosphonate as heterogeneous catalyst in the preparation of pyrroles |
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| Authors: | Massimo Curini Francesca MontanariOrnelio Rosati Eduardo LioyRoberto Margarita |
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| Institution: | a Dipartimento di Chimica e Tecnologia del Farmaco, Sezione di Chimica Organica, Via del Liceo 1, Università degli Studi, 06123 Perugia, Italy
b Bristol Myers Squibb Srl, Via del Murillo Km 2.8, 04010 Sermoneta (LT), Italy |
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| Abstract: | Pyrroles may be prepared by condensation of alkyl and aryl amines and 1,4-diketones (Paal-Knorr reaction) under potassium exchanged layered Zirconium phosphate and zirconium sulfophenyl phosphonate catalyst in solvent free conditions. |
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