7-Amino-3-(1-methyltetrazol-5-ylthiomethyl)-3-cephem-4-carboxylicacid → HCID 131714117, compound

Participants

Reaction Steps

2-(2,3-Dihydro-1,4-oxathiin-6-yl)-2-methoxyiminoacetic acid (syn isomer, 1 g.) was allowed to react with 7-amino-3-(1-methyl-1H-tetrazol-5-yl)thiomethyl-3-cephem-4-carboxylic acid (2 g.) in a similar manner to that of Example 1 to give the captioned compound (2.0 g.), pale yellow powder, mp. 145° to 150° C. (dec.).

Provenance & Evidence