Hydrochloric Acid → 2-[5-chloro-2-(5-oxo-2,3,4,5-tetrahydro-benzo[f][1,4]oxazepin-8-ylamino)-pyrimidin-4-ylamino]-N-methyl-benzamide

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Reaction Conditions

Reaction Steps

A mixture of 8-amino-3,4-dihydro-2H-benzo[f][1,4]oxazepin-5-one (0.092 g, 0.0003 mol), 2-(2,5-dichloro-pyrimidin-4-ylamino)-N-methyl-benzamide (0.05 g, 0.00028 mol), 4 N HCl in dioxane/water (0.07 mL, 0.00028 mol) was heated at 100° C. for 4 hrs. The slurry was evaporated and the residue treated with ethyl acetate and a 10% sodium carbonate solution. The insoluble solid was collected, washed, dried to give 2-[5-chloro-2-(5-oxo-2,3,4,5-tetrahydro-benzo[f][1,4]oxazepin-8-ylamino)-pyrimidin-4-ylamino]-N-methyl-benzamide (0.09 g, 74%) as a yellow solid. MP: 293-5° C.; 1H-NMR (DMSO-d6) δ 11.62 (s, 1H), 9.74 (s, 1H), 8.72-6 (d, 1H), 8.70 (d, 1H) 8.29 (s, 1H) 8.11 (s, 1H), 7.77 (m, 2H), 7.51-3 (d, 2H), 7.33-5 (d, 1H), 7.15-9 (t, 1H), 4.27 (s, 1H); LC/MS (ESI+): 439 (M+H).

Provenance & Evidence