Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Antibioticos SA
Original Assignee
Antibioticos SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Antibioticos SAfiledCriticalAntibioticos SA
Priority to ES492587ApriorityCriticalpatent/ES492587A0/es
Publication of ES8107234A1publicationCriticalpatent/ES8107234A1/es
Publication of ES492587A0publicationCriticalpatent/ES492587A0/es
PROCEDIMIENTO DE OBTENCION DE CEFALOSPORINAS. CONSISTE EN HACER REACCIONAR UN DERIVADO REACTIVO DEL COMPUESTO (I) CON EL COMPUESTO DE FORMULA GENERAL (II). SE OBTIENE EL COMPUESTO DE FORMULA GENERAL (III), DONDE R, R1, R2, R3 Y R4 PUEDEN SER ATOMOS DE HIDROGENO O RADICALES ALQUILOS, ARILOS, ARALQUILOS O HETEROCIDICOS, SUSTITUIDOS O NO, IGUALES O DIFERENTES; X ES HIDROGENO, UN CATION METALICO, UNA BASE ORGANICA CUATERNIZADA O UN RADICAL ORGANICO FORMADO CON EL GRUPO CARBOXILO, UNA AGRUPACION ESTER O AMIDA; R5 PUEDE SER UN ATOMO DE HIDROGENO, UN ATOMO DE HALOGENO, UN GRUPO ACILOXI, UN GRUPO ALCOXI Y UN GRUPO S-Y. *FORMULA*
ES492587A1980-06-191980-06-19Procedimiento para la preparacion de nuevas cefalosporinas
GrantedES492587A0
(es)