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Fujisawa Pharmaceutical Co Ltd
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Fujisawa Pharmaceutical Co Ltd
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Publication of ES475573A1publicationCriticalpatent/ES475573A1/es
Un procedimiento para preparar nuevos compuestos de (ilegible) de la fórmula **(Fórmula)** en que R2 es hidrógeno o un resto de hidrocarburo alifático que puede estar sustituido con halógeno, carboxi o carboxi esterificado, R3 es hidrógeno o alcohilo inferior, R4 es hidrógeno, alcohilo inferior o un grupo de la fórmula: -0-R7 en la que R7 es alcohilo inferior, R5 es carboxi o carboxi funcionalmente modificado, y R6 es amino o amino protegido.
ES475573A1977-07-121978-11-30Un procedimiento para preparar nuevos compuestos de cefem
ExpiredES475573A1
(es)