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F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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Application filed by F Hoffmann La Roche AGfiledCriticalF Hoffmann La Roche AG
Publication of ES8203378A1publicationCriticalpatent/ES8203378A1/es
Publication of ES503581A0publicationCriticalpatent/ES503581A0/es
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
PROCEDIMIENTO DE OBTENCION DE PIRIDAZOPIRIDACINA. CONSISTE EN HACER REACCIONAR UN COMPUESTO DE FORMULA GENERAL (I) CON UN COMPUESTO DE FORMULA R6 -SH (SIENDO R6 UN GRUPO ALCANOILO O AROILO). OPCIONALMENTE, PUEDE A CONTINUACION SEPARAR UNA MEZCLA DIASTEREOISOMERICA OBTENIDA EN LOS RACENATOS CORRESPONDIENTES O BIEN PUEDE RESOLVERSE UN RACENATO OBTENIDO EN LAS DOS ANTIPODAS, O CONVERTIR UN ACIDO OBTENIDO (II) EN UNA SAL CON UNA BASE FARMACETICAMENTE ACEPTABLE.
ES503581A1980-07-111981-07-01Un procedimiento para la preparacion de piridazopiridacina
GrantedES503581A0
(es)