3-Fluorophenyl isocyanate → 1-[3-(4-Chloro-2-methyl-2H-pyrazol-3-yl)-4-methoxy-phenyl]-3-(3-fluoro-phenyl)-urea

Participants

Reaction Steps

3-(4-Chloro-2-methyl-2H-pyrazol-3-yl)-4-methoxy-phenylamine was treated with 3-Fluorophenyl isocyanate in a similar manner to as described in Example 1.53, providing 0.5 mg (1%) of Compound 36: LCMS m/z (%)=377 (M+H37Cl, 40), 375 (M+H35Cl, 100). 1H NMR (400 MHz, acetone-d6) δ: 8.23 (s, 1H), 7.45 (dt, J1=12, J2=4, J3=2 Hz, 1H), 7.37 (s, 1H), 7.32 (s, 1H), 7.17 (d, J=24 Hz, 1H), 7.15 (dd, J1=8 Hz, J2=2 Hz, 1H), 7.03 (dd, J1=8 Hz, J2=4 Hz, 1H), 6.77 (d, J=2 Hz, 1H), 6.63 (td, J1=8 Hz, J2=4 Hz, 1H), 3.68 (s, 3H), 3.52 (s, 3H).

Provenance & Evidence