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Layered zirconium phosphate and phosphonate as heterogeneous catalyst in the preparation of pyrroles

✍ Scribed by Massimo Curini; Francesca Montanari; Ornelio Rosati; Eduardo Lioy; Roberto Margarita

Publisher
Elsevier Science
Year
2003
Tongue
French
Weight
86 KB
Volume
44
Category
Article
ISSN
0040-4039

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✦ Synopsis

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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Zirconium sulfophenyl phosphonate as a h
Zirconium sulfophenyl phosphonate as a heterogeneous catalyst in tetrahydropyranylation of alcohols and phenols
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Zirconium Sulfophenyl Phosphonate Zr(O3PCH3)I.2(O3PC6I-I4SO3H)0.8 was found to be an efficient heterogeneous catalyst for the tetr~ydropyranylation of alcohols and phenols.

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