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0 °C

3-Cyclobutyl-2,3,4,5-tetrahydro-1H-3-benzazepin-7-ol (E3) (1.81 g, 8.33 mmol) was dissolved in pyridine (40 ml) and sodium hydride (60% in mineral oil, 0.40 g, 10.0 mmol) was added with stirring under argon at 0° C. The mixture was left to stir for 5 minutes. Copper (I) bromide (1.68 g, 11.7 mmol) was added and the mixture allowed to warm to room temperature over 30 minutes. 5-Bromo-2-pyrimidinecarbonitrile (D38) (2.30 g, 12.5 mmol) in pyridine (8 ml) was added and the mixture heated at 100° C. for 1 hour. The mixture was allowed to cool to room temperature and the solvent removed in vacuo. The crude product was purified by column chromatography, eluting with a mixture of 0.880 ammonia:methanol:dichloromethane (0.2:1.8:98) to afford the title compound (E177a); MS (ES+) m/e 321 [M+H]+.

1. waitThe mixture was left
2. stirringto stir for 5 minutes
3. temperatureto warm to room temperature over 30 minutes
4. temperaturethe mixture heated at 100° C. for 1 hour
5. temperatureto cool to room temperature
6. customthe solvent removed in vacuo
7. customThe crude product was purified by column chromatography
8. washeluting with a mixture of 0.880 ammonia:methanol:dichloromethane (0.2:1.8:98)