2,4-Difluorophenyl isocyanate → HCID 11696487, compound

Participants

Reaction Steps

3-(4-Fluoro-2-methyl-2H-pyrazol-3-yl)-4-methoxy-phenylamine was treated with 2,4-difluorophenylisocyanate, in a similar manner as described in Example 1.68, providing 21 mg (58% yield) of Compound 37: LCMS m/z (%)=377 (M+H, 100). 1H NMR (400 MHz, acetone-d6) δ: 8.50 (s, 1H), 8.24 (m, 1H), 7.98 (s, 1H), 7.64 (dd, J1=9.0 Hz, J2=2.6 Hz, 1H), 7.51 (d, J=2.4 Hz, 1H), 7.38 (d, JH,F=4.8 Hz, 1H), 7.14 (d, J=8.8 Hz, 1H), 7.06 (ddd, J1=11.4 Hz, J2=8.6 Hz, J3=2.8 Hz, 1H), 6.99 (dd, J1=9.6 Hz, J2=9.6 Hz, 1H), 3.83 (s, 3H), 3.65 (s, 3H). 19F NMR (376 MHz, acetone-d6) δ: −119.93 (m, 1F), −127.63 (m, 1F) −177.41 (d, JH,F=4.1 Hz, 1F).

Provenance & Evidence