Method for the preparation of N-piperidino-1, 5-diphenylpyrazole-3-carboxamide derivatives

Method for the preparation of N-piperidino-1, 5-diphenylpyrazole-3-carboxamide derivatives

23 A process for the preparation of for the preparation of N-piperidino-5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-methylpyrazole-3-carboxamide and of its salts, wherein 1,5-dibromopentane is reacted with a compound of formula (IIIa) in the presence of NaCOin acetonitrile heated at reflux.

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Bibliographische Detailangaben
Hauptverfasser: Vayron, Philippe, Daumas, Marc, Sole, Raphael, Dlubala, Alain
Format: Patent
Sprache:eng
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Zusammenfassung:23 A process for the preparation of for the preparation of N-piperidino-5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-methylpyrazole-3-carboxamide and of its salts, wherein 1,5-dibromopentane is reacted with a compound of formula (IIIa) in the presence of NaCOin acetonitrile heated at reflux.