Trifluoroacetic acid → HCID 178496725, compound

Participants

Reaction Steps

179 mg of 4-tert-butylcarbonyl-7α-methoxy-3-methyl-2-(2-methyl-5-oxo-6-benzhydryloxy-2,5-dihydro-1,2,4-triazin-3-yl)thio-3-cephem 1,1-dioxide, prepared following the experimental procedure described in Example 3, was dissolved in dichloromethane (2 ml) and anisole (0.018 ml) and trifluoroacetic acid (1 ml) were added. After 15 min, TFA was completey removed in vacuo and the residue taken up in dichloromethane (1 ml). Addition of isopropyl ether afforded the title compound (125 mg) as a white powder.

Provenance & Evidence