Bicyclo[2.2.1]heptane-1-methanesulfonic acid, 7,7-dimethyl-2-oxo-, (1S)- → 2-[2-(9-Acetyl-6,7,8,9-tetrahydro-5-oxa-9-aza-benzocyclohepten-2-ylamino)-5-chloro-pyrimidin-4-ylamino]-N-methyl-benzamide

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Reaction Steps

1-(2-Amino-7,8-dihydro-6H-5-oxa-9-aza-benzocyclohepten-9-yl)-ethanone (55 mg, 0.27 mmol), 2-(2,5-Dichloro-pyrimidin-4-ylamino)-N-methyl-benzamide (85 mg, 0.29 mmol), and 10-Camphorsulfonic acid (12 mg, 0.052 mmol) in Isopropyl alcohol (2 mL) was irradiated in a CEM microwave (120° C., 40 min). The contents were neutralized with 1 mL satd. sodium bicarbonate and diluted with 4 mL water to afford a turbid solution. This solution was added to stirring water (10 mL) resulting in ppt of the target and the chloropyrimidine traces. The solid was chromatographed (SiO2, 0-100% EtOAc:Hex) to afford 2-[2-(9-Acetyl-6,7,8,9-tetrahydro-5-oxa-9-aza-benzocyclohepten-2-ylamino)-5-chloro-pyrimidin-4-ylamino]-N-methyl-benzamide as a light yellow foam (54 mg, 43%). LCMS: 467 (M+H); 1H-NMR (DMSO): 11.51 (s, 1H), 9.50 (s, 1H), 8.75 (s, 1H), 8.64 (s, 1H), 8.24 (s, 1H), 7.73 (m, 2H), 7.45 (m, 2H), 7.14 (m, 1H), 7.03 (d, 1H, J=8.8 Hz), 4.60 (m, 1H), 4.30 (m, 1H), 3.62 (m, 1H), 2.91 (d, 1H, J=4 Hz), 2.77 (m, 1H), 1.93 (m, 1H), 1.74 (m, 4H).

Provenance & Evidence