反应详情

The title compound was prepared by following the procedure as described for Example-83 by using tert-butyl 2-(2,4-difluorophenyl)hydrazinecarboxylate (Intermediate-54, 0.060 g, 0.21 mmol), 6-chloro-2-fluoro-3-(pivalamidomethyl)benzoyl isocyanate (Intermediate-51, 0.101 g, 0.32 mmol), DCM (10 mL) and TFA (3 mL) to afford 0.018 g of pure product. 1H NMR (300 MHz, CDCl3): δ 1.16 (s, 9H), 4.38 (d, J=5.4 Hz, 2H), 6.25 (m, 1H), 6.79-6.82 (m, 1H), 6.90-6.96 (m, 2H), 7.20-7.32 (m, 2H), 7.50-7.53 (m, 1H); MS (m/z): 437.26 (M−H−).