HCID 14864656, compound → HCID 141560921, compound

Participants

Reaction Steps

Acylation of diphenylmethyl 7-amino-3-[3,4-dioxo-2-(2-propoxy)-1-cyclobutenyl]-3-cephem-4-carboxylate (287 mg, 0.569 mmol) with 1-[2-(2-aminothiazol-4-yl)-(Z)-2-methoxyiminoacetyl]-4-methyltetrazole-5-thione (204 mg, 0.683 mmol), according to Example 13, afforded the title compound (373 mg, 93% yield) as a bright yellow solid.

Provenance & Evidence