Trifluoroacetic acid → HCID 20276296, compound

Participants

Reaction Steps

Following the working method described in Example 6, 2-benzhydryloxycarbonyl-7-t-butoxycarbonylamino-8-oxo-3-(thiazol-5-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene (5.2 g) is treated with trifluoroacetic acid (80 cc). 7-Amino-2-carboxy-8-oxo-3-(thiazol-5-yl)-5-thia-1-azabicyclo[4.2.0]-oct-2-ene trifluoroacetate (4 g) is obtained in the form of a cream-coloured solid.

Provenance & Evidence