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Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
(AREA)
Abstract
UN METODO POR EL QUE ES EXTRAIDA Y AISLADA LA RIFAMICINA O APARTIR DE CALDOS DE FERMENTACION DE RIFAMICINA B CON RENDIMIENTOS DE HASTA EL 90% SE DISPONE EL CALDO DE FERMENTACION A 15 GRADOS Y 25 GRADOS CENTIGRAODOS, A UN PH DE 4.0 7.5 Y SE TRATA CON AGENTE OXIDANTE QUE PROVOCA UNA PRECIPITACION CUANTITATIVA PARA UN PRODUCTO BRUTO DE RIFAMICINA O.A METHOD BY WHICH RIFAMYCIN IS EXTRACTED AND ISOLATED OR REMOVE FROM FERMENTATION BROTHS OF RIFAMYCIN B WITH YIELDS OF UP TO 90%. WITH OXIDIZING AGENT THAT CAUSES A QUANTITATIVE PRECIPITATION FOR A GROSS PRODUCT OF RIFAMYCIN O.
GT197329395A1973-07-161973-07-16
METHOD FOR THE EXTRACTION AND ISOLATION OF RIFAMYCINS
GT197329395A
(en)
PROCESS FOR THE PREPARATION OF A MEDICINAL PRODUCT WITH ANTIBIOTIC ACTION, AS WELL AS THE OBTAINED PREPARED MEDICINAL PRODUCT AND PROCEDURE FOR THE PREPARATION OF AN ETHER DERIVED FROM AN (6R, 7R) -3-ACYLOXYL-IN-2-ARYL-2-YL-YL-IN-YL-IN-2-YL CEF-3-EM-4-CARBONIC ACID COMPOUND.
PROCESS FOR THE PREPARATION OF S- (1,6-DIHYDRO-AZINE- (1) -YLMETHYL) -THIOL-PHOSPHORIC ESTER- SPECTIVELY -ESTERAMIDE DERIVATIVES, WORK FOR THE PREPARATION OF AGENTS WITH NEMA-E ACTION, AS WELL AS THE AGENTS.