abstract |
THE INVENTION RELATES TO A PROCESS FOR THE PREPARATION OF A SALT OF CEPHALOSPORIN OF GENERAL FORMULA -T: [C] ME X [BXH +] n- CHARACTERIZED IN THAT A CEPHALOSPORIN (C) IS MIXED IN THE FORM OF FREE ACID , IN ONE OR MORE BASIC COMPONENTS (H) IN THE DISSOLVED OR SUSPENDED FORM IN WATER, ORGANIC SOLVENTS OR MIXTURES OF SOLVENTS, AND THE SALT IS ISOLATED BY FILTRATION, CONCENTRATION OF THE SOLUTION OR LYOPHILIZATION. |