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Fujisawa Pharmaceutical Co Ltd
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Fujisawa Pharmaceutical Co Ltd
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Publication of ES480165A1publicationCriticalpatent/ES480165A1/es
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
Un procedimiento para preparar compuestos de cefem, de la fórmula: **(formula)** en la que R1 es amino o amino protegido, A es alcohilo inferior que puede estar sustituido con oxo, hidroxi, amino, amino protegido o hidroxi protegido, R2 es hodrógeno, halógeno o hidroxi, R3 es carboxi o carboxi funcionalmente modificado, y sus sales de adición farmaceuticamente aceptables, no tóxicas.
ES480165A1977-09-131979-05-02Un procedimiento para preparar compuestos de cefem.
ExpiredES480165A1
(es)
Un procedimiento para la preparacion de un derivado de 7- (alfa hidroxi-alfa-fenil) acetamido - 3 - (1 - metil - 1h - tetrazol - 5 - iltiometil) cefalosporina.