A procedure for purification of the acid 7- (d-a-amino-4- hydroxyphenylacetamido) -3-cefem-4-carboxilico crudo (Machine-translation by Google Translate, not legally binding)

摘要

Procedure for the purification of the acid 7- (d-alpha-amino-4-hydroxyphenylacetamido) -3-cefem-4-carboxilico crudo. The acid is combined with dimethylformamide, which gives the solvato of dimethylformamide of the acid in the form of crystal solid. This solvato is isolated and metanol is treated at a temperature of 50 degrees centigred until the same is dissociated. The solution of the previous stage is cooled and the acid is isolated in the form of solid pure. Of application in the treatment of infeccionaes bacterians. (Machine-translation by Google Translate, not legally binding)