Trifluoroacetic acid → HCID 58110042, compound

Participants

Reaction Conditions

Reaction Steps

A 25 mL round bottom flask was charged with copper (I) iodide (8.16 mg, 0.043 mmol) in THF (1 mL), and cooled to 0° C. A solution of ethylmagnesium bromide (0.714 mL, 2.142 mmol, 3 M in Et2O) was added dropwise to the stirred solution and stirred for 20 min. To this was added 2-(4-(4-chloro-1H-imidazol-1-yl)-3-methoxyphenylamino)-9-(4-fluorophenyl)-8,9-dihydro-5H-[1,2,4]triazolo[1,5-a]azepin-7(6H)-one (100 mg, 0.214 mmol, from example 137) in THF (1 mL) and the reaction was stirred at 0° C. for an additional 2 h and then slowly warmed to rt and stirred for 16 h. The reaction mixture was quenched slowly with saturated ammonium chloride, and the aqueous layer was extracted with EtOAc (×3). The combined organic layers were then washed with brine (100 mL), dried over sodium sulfate and concentrated in vacuo. The crude product was purified using reverse phase preparatory HPLC (MeOH/water/trifluoroacetic acid) to afford the titled compound (14.2 mg, 10% yield) as a TFA salt. LC-MS (M+H)+ 497.2. 1H NMR (500 MHz, CHLOROFORM-d) δ ppm 8.14 (1 H, br. s.), 7.45-7.97 (2 H, m), 7.05-7.20 (6 H, m), 4.63-4.77 (2 H, m), 4.36-4.49 (1 H, m), 3.88 (3 H, s), 1.88-2.35 (4 H, m), 1.71 (2 H, q, J=7.4 Hz), 1.24-1.51 (1 H, m), 1.03 (3 H, t, J=7.5 Hz).

Provenance & Evidence