Procedure for obtaining the shape without (CIS) of 2 - (2-aminothiazol-4-yl) - N - (imidazolidin, perhidro - 1.3 - diazin and perhidro - 13 - diazopin) - 2 on 1 - il) - 2 - iminoacetilcefalosporinas and Procedure for obtaining the Halide acid 2 - (2-aminothiazol-4-yl) - N - ((imidazolidin, perhidro - 1.3 - diazin and perhidro - 13 - diazepin) - 2 on 1 - il) - 2 - iminoaceticos, Substances for the initial First

摘要

1. Cephalosporins of the general formula III, in syn-configuration and in the crystalline, pure form see diagramm : EP0041655,P12,F1 in which n represents 2 or 3, R**1 represents sodium or, if another part of the molecule contains a positive charge, a negative charge and T denotes -CH2 -O-CO-CH3 , -CH2 -O-CO-NH2 or see diagramm : EP0041655,P12,F2