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Fisons Iberica S A
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Fisons Iberica S A
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Application filed by Fisons Iberica S AfiledCriticalFisons Iberica S A
Priority to ES528010ApriorityCriticalpatent/ES8505651A1/es
Publication of ES528010A0publicationCriticalpatent/ES528010A0/es
Publication of ES8505651A1publicationCriticalpatent/ES8505651A1/es
PROCEDIMIENTO PARA PREPARAR SALES METALICAS DE ACIDOS LACTAMICOS.COMPRENDE: A) HACER REACCIONAR UN ACIDO DICARBOXILICO CAPAZ DE FORMAR LACTAMAS, CON UN HIDROXIDO, OXIDO O CARBONATO, BAJO REFLUJO Y AGITACION, PARA FORMAR LA SAL ACIDA CORRESPONDIENTE; Y B) CICLIZAR LA SAL RESULTANTE CON ELIMINACION DE UNA O DOS MOLECULAS DE AGUA, EN AUTOCLAVE Y A UNA TEMPERATURA ENTRE 130 Y 140JC, PARA PREPARAR SALES METALICAS DE ACIDOS LACTAMICOS DE FORMULA (I). SIENDO M UN METAL ELEGIDO ENTRE METALES ALCALINOS Y ALCALINOTERREOS; R UN RADICAL ALQUILENO DE C 2 A 3; Y N TIENE UN VALOR QUE DEPENDE DE LA VALENCIA DEL METAL REPRESENTADO POR M.
ES528010A1983-12-131983-12-13Procedimiento para preparar sales metalicas de acidos lactamicos
ExpiredES8505651A1
(es)