2-Amino-6-fluorobenzothiazole → 4-(3-(2-Chloro-6-fluorophenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)-N-(6-fluorobenzo[d]thiazol-2-yl)-2-methoxybenzamide

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The title compound was prepared by following the procedure as described for Example-31 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), 6-fluorobenzo[d]thiazol-2-amine (0.067 g, 0.397 mmol), trimethyl aluminium (2M solution in toluene) (0.5 mL) and dry toluene (5.0 mL) to afford 0.050 g of desired product. 1H NMR (DMSO-d6): δ 3.99 (s, 3H), 7.32 (t, J=7.2 Hz, 1H), 7.51 (t, J=9.3 Hz, 1H), 7.59 (d, J=8.4 Hz, 1H), 7.68-7.80 (m, 4H), 7.94 (t, J=6.3 Hz, 2H), 11.98 (s, 1H), 12.83 (br s, 1H); MS (m/z): 512.97 [M−H]−.

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