Trifluoroacetic acid → HCID 11670465, compound

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Reaction Steps

{3-[2-(3-Fluoro-benzyl)-1,1-dioxo-1,2-dihydro-1λ6-benzo[e][1,2,3]thiadiazin-4-yl]-5-fluoro-2-methyl-indol-1-yl}-acetic acid tert-butyl ester (61 μmol) was treated with TFA (2 mL) for 2 hours, concentrated, and purified by preparative LCMS to give the title compound. 1H NMR (d6-DMSO) δ 8.17 (d, 1H), 7.95 (t, 1H), 7.86 (t, 1H), 7.42 (m, 3H), 7.19 (m, 3H), 6.89 (dt, 1H), 6.61 (dd, 1H), 5.09 (bs, 2H), 4.53 (s, 2H), 2.09 (s, 3H) ppm. MS calculated for C25H19F2N3O48-H: 494, observed: 494.

Provenance & Evidence