A new family of promoters, based on phosphorus acids, is reported for the catalytic carbonylation of nitrobenzene to methyl phenylcarbamate by palladium-phenanthroline complexes. With the new promoters, unprecedented reaction rates (TOF up to 6000/h) and catalyst stability (TON up to 105) could be reached. The best promoter is phosphoric acid, which is also very cheap, nontoxic and easily separable from the reaction products.

Phosphorus Acids as Highly Efficient Promoters for the Palladium-Phenanthroline Catalyzed Carbonylation of Nitrobenzene to Methyl Phenylcarbamate / F. Ragaini, M. Gasperini, S. Cenini. - In: ADVANCED SYNTHESIS & CATALYSIS. - ISSN 1615-4150. - 346:1(2004), pp. 63-71.

Phosphorus Acids as Highly Efficient Promoters for the Palladium-Phenanthroline Catalyzed Carbonylation of Nitrobenzene to Methyl Phenylcarbamate

F. Ragaini;M. Gasperini;S. Cenini
2004

Abstract

A new family of promoters, based on phosphorus acids, is reported for the catalytic carbonylation of nitrobenzene to methyl phenylcarbamate by palladium-phenanthroline complexes. With the new promoters, unprecedented reaction rates (TOF up to 6000/h) and catalyst stability (TON up to 105) could be reached. The best promoter is phosphoric acid, which is also very cheap, nontoxic and easily separable from the reaction products.
Carbamates; Carbonylation; Homogeneous catalysis; Nitroarenes; Palladium
Settore CHIM/03 - Chimica Generale e Inorganica
ADVANCED SYNTHESIS & CATALYSIS
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2434/145191
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