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Zambeletti Espana SA
Original Assignee
Zambeletti Espana SA
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Publication date
Application filed by Zambeletti Espana SAfiledCriticalZambeletti Espana SA
Priority to ES498856ApriorityCriticalpatent/ES8201158A1/es
Publication of ES498856A0publicationCriticalpatent/ES498856A0/es
Publication of ES8201158A1publicationCriticalpatent/ES8201158A1/es
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
PROCEDIMIENTO PARA LA OBTENCION DEL ACIDO 8-ETIL-5,8-DIHIDRO-5-OXO-2-(1-PIPERAZINIL)-PIRIDO(2,3-D)PIRIMIDIN-6-CARBOXILICO, ACIDO PIPEMIDICO, DE FORMULA (I). CONSISTE EN LA REACCION DE OXIDACION DE UN COMPUESTO DE FORMULA (II) CON PERMANGANATO EN FASE HETEROGENEA, FORMULA EN LA QUE R ES HIDROGENO, RADICAL ALQUILO, CICLOALQUILO O ARILO, Y R1 ES 1-PIPERAZINILO. COMO DISOLVENTE ORGANICO SE UTILIZA UN HIDROCARBURO ARAMATICO, Y EL PERMANGANATO ESTA DISUELTO EN AGUA. LA REACCION SE REALIZA EN PRESENCIA DE UN CATALIZADOR DE TRANSFERENCIA DE FASE. TAL COMO CLORURO O BROMURO DE CETIL-TRIMETILAMONIO, CON FUERTE AGITACION Y AL TEMPERATURA COMPRENDIDAS ENTRE 30 Y 70 C. ESTE COMPUESTO TIENE APLICACIONES FARMACOLOGICAS POR SU ACTIVIDAD BACTERICIDA.
ES498856A1981-01-271981-01-27Un procedimiento para la preparacion del acido pipemidico
ExpiredES8201158A1
(es)