Trifluoroacetic acid → HCID 22280113, compound

Participants

Reaction Steps

The title compound was prepared in the manner analogous to Example 1 using 89A. mp 166-168° C.; HPLC: area %=96.95, r.t.=3.140 min, γ=214 nm, mobile phase=acetonitrile/water w/0.10% TFA. IR (KBr) cm−1: 3140, 3085, 1742, 1322, 1255, 1109; 400 MHz 1H NMR (DMSO-d6): δ 12.96 (br(s), 1H), 7.99 (d, 2H, J=8.3 Hz), 7.81 (d, 2H, J=8.3 Hz), 7.14 (d, 1H, J=8.4 Hz), 6.81 (s, 1H), 6.61 (d, 1H, J=8.4 Hz), 4.63 (s, 2H), 4.23 (s, 2H), 2.76 (t, 4H, J=7.5 Hz), 1.91 (pentet, 2H); MS m/z 450 (M+1). Anal. Calc'd for C22H18F3NO4S: C, 58.79; H, 4.04; N, 3.12. found: C, 58.38; H, 3.92; N, 2.95.

Provenance & Evidence