Hydrochloric Acid → HCID 131712407, compound

Participants

Reaction Steps

7-[2-n-Propoxyimino-2-(2-formamido-1,3-thiazol-4-yl)-acetamido]-3-(1-carboxymethyl-1H-tetrazol-5-yl)thiomethyl-3-cephem-4-carboxylic acid (syn isomer) (2.20 g.) was treated with conc. hydrochloric acid (0.56 g.) according to a similar manner to that of Example 12 to give 7-[2-n-propoxyimino-2-(2-amino-1,3-thiazol-4-yl)acetamido]-3-(1-carboxymethyl-1H-tetrazol-5-yl)thiomethyl-3-cephem-4-carboxylic acid (syn isomer) (1.10 g.).

Provenance & Evidence