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Laboratorios Salvat SA
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Laboratorios Salvat SA
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Priority to ES484836ApriorityCriticalpatent/ES484836A1/es
Publication of ES484836A1publicationCriticalpatent/ES484836A1/es
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
La presente invención se refiere a un procedimiento para la obtención de derivados de 1,3-Bis(2-carboxi-4-oxo-4H-1- benzopiran-5-iloxi) propano, de fórmula general **(Fórmula)** donde R puede ser un hidrógeno, un grupo alquilo inferior (C1- C4), un grupo amino, un grupo alcoxi o ariloxi y, preferentemente, un grupo hidroxi, y R1 un hidrógeno, un grupo alquilo inferior (C1 a C4). También se incluyen las sales farmacéuticamente aceptables de los compuestos cuando R1 es un hidrógeno, tales como las formadas con cationes de metales alcalinos, o cationes orgánicos derivados de aminas.
ES484836A1979-10-091979-10-09Procedimiento para la preparacion de derivados de 1,3-bis(2-carboxi-4-oxo-4h-1-benzopiran-5-iloxi) propano
ExpiredES484836A1
(es)