HCID 13175960, compound → HCID 13175966, compound

Participants

Reaction Steps

3-(2-Anilino-thiazol-5-yl)-2-benzhydryloxycarbonyl-8-oxo-7-(thien-2-yl-acetamido)-5-thia-1-azabicyclo[4.2.0]-oct-2-ene (0.9 g) is treated with formic acid (9 cc) in accordance with the working method described in Example 1, and 3-(2-anilino-thiazol-5-yl)-2-carboxy-8-oxo-7-(thien-2-yl-acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene (0.4 g) is obtained in the form of a yellow solid.

Provenance & Evidence