1,3-Difluoro-5-isocyanatobenzene → 1-[3-(4-Bromo-2-methyl-2H-pyrazol-3-yl)-4-methoxy-phenyl]-3-(3,5-difluoro-phenyl)urea

Beteiligte Stoffe

Reaktionsschritte

3-(4-Bromo-2-methyl-2H-pyrazol-3-yl)-4-methoxy-phenylamine (0.032 g, 0.11 mmol) was treated with 3,5-difluorophenyl isocyanate (0.018 g, 14 μL, 0.11 mmol, 1.0 equiv.) in CH2Cl2 (2 mL), in a similar manner as described in Example 1.2 to afford Compound 7 (0.038 g, 0.09 mmol, 77%) as a white solid. LCMS m/z (%)=437 (M+H79Br, 100), 439 (M+H81Br, 100). 1H NMR (400 MHz, acetone-d6) δ: 8.47 (s, 1H), 8.23 (s, 1H), 7.68 (dd, J=2.7, 9.0 Hz, 1H), 7.50 (s, 1H), 7.42 (d, J=2.7 Hz, 1H), 7.18-7.27 (m, 2H), 7.15 (d, J=9.0 Hz, 1H), 6.59 (ttt, J=2.3, 9.1, 9.1 Hz, 1H), 3.82 (s, 3H), 3.68 (s, 3H).

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