Bicyclo[2.2.1]heptane-1-methanesulfonic acid, 7,7-dimethyl-2-oxo-, (1S)- → N-(trans-2-{5-Chloro-2-[3-(2-methoxy-ethyl)-2,3,4,5-tetrahydro-1H-benzo[d]azepin-7-ylamino]-pyrimidin-4-ylamino}-cyclopentyl)-methanesulfonamide

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Reaction Conditions

Reaction Steps

N-[trans-2-(2,5-Dichloro-pyrimidin-4-ylamino)-cyclopentyl]-methanesulfonamide (60 mg, 0.185 mmol), 3-(2-methoxy-ethyl)-2,3,4,5-tetrahydro-1H-benzo[d]azepin-7-ylamine (40 mg, 0.185 mmol) and camphorsulfonic acid (64 mg, 0.278 mmol) were combined in 2 mL isopropanol and heated at 120° C. in microwave for a total of 90 min. The reaction was concentrated to be taken up in dichloromethane and washed with saturated sodium bicarbonate solution (2×30 mL). The organic layer was dried over MgSO4 and filtered. The filtrate was chromatographed on a 4 g amine capped ISCO flash column using a gradient of 0-100% ethyl acetate in hexanes. The product was collected as a foam after concentrating to afford 71 mg (76%) of a pale yellow solid. Compound 1: mp 74° C.; MS (ES+ calculated—508; found—509 M+H). 1H NMR (400 MHz, CDCl3) δ 7.95 (s, 1H), 7.06 (d, J=9 Hz, 1H), 6.96 (s, 1H), 6.38 (br s, 1H), 5.39 (d, J=6 Hz, 1H), 5.32 (s, 1H), 4.16 (m, 1H), 3.55 (t, J=6 Hz, 2H), 3.38 (s, 3H), 2.93 (m, 4H), 2.85 (s, 3H), 2.76 (m, 4H), 2.30 (m, 2H), 1.86 (m, 2H), 1.23 (t, 2H) ppm.

Provenance & Evidence