反应详情

The title compound was prepared by following the procedure as described for Example-40 by using Methyl 4-(3-(2-chloro-6-fluorophenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)-2-methoxybenzoate (step-2 of Intermediate-15, 0.100 g, 0.26 mmol), N′-hydroxy-3,5-dimethoxybenzimidamide (Intermediate-20, 0.077 g, 0.529 mmol), sodium hydride (0.006 g, 0.39 mmol) and dry THF (5.0 mL) at RT to afford 0.015 g of desired product. 1H NMR (DMSO-d6): δ 3.84 (s, 611), 3.99 (s, 3H), 6.73 (s, 1H), 7.19 (s, 2H), 7.47 (t, J=8.1 Hz, 1H), 7.56 (d, J=8.4 Hz, 1H), 7.67 (t, J=8.7 Hz, 1H), 7.81 (d, J=8.1 Hz, 1H), 7.93 (s, 1H), 8.19 (d, J=8.7 Hz, 1H), 12.61 (br s, 1H); MS (m/z): 523.89 [M+]+.

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