1-Chloro-4-isocyanato-2-(trifluoromethyl) benzene → HCID 57974541, compound

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Reaction Steps

Method H3 was used with 4-(4-amino-2,6-difluorophenoxy)-3-nitropyridin-2-amine (0.20 g, 0.709 mmol) and 4-chloro-3-(trifluoromethyl)phenyl isocyanate (0.16 g, 0.709 mmol) to afford the title compound (0.085 g, 24%). 1H NMR (250 MHz, 6, ppm, DMSO-d6): 6.11 (d, 1H, J=5.7 Hz), 7.28 (s, 2H), 7.46 (d, 2H, J=10.3 Hz), 7.61-7.71 (m, 2H), 8.04 (d, 1H, J=5.7 Hz), 8.09 (d, 1H, J=2.1 Hz), 9.36 (s, 1H), 9.40 (s, 1H). m/z 504.0 [(M+H)+ calcd. for C19H11ClF5N5O4 503.0].

Provenance & Evidence