Trifluoroacetic acid → HCID 59750345, compound

Participants

Reaction Conditions

Reaction Steps

A mixture of tert-butyl 3-[(6-(4-oxo-4H-1,3-benzothiazin-2-yl)-2-pyridyl)methoxy]propanoate (2.80 g, 6.8 mmol) and trifluoroacetic acid (15 ml) was stirred at 0° C. for 3 hrs. The mixture was concentrated under reduced pressure, and the residue was crystallized from ethyl acetate-hexane to give the titled compound (1.78 g, 74%), which was recrystallized from ethanol to give prisms (1.66 g, 69%).

Provenance & Evidence