反应详情

Morpholine-4-carboxylic acid [1-(4-cyano-piperidin-4-ylcarbamoyl)-3,3-dimethyl-butyl]-amide hydrochloride (0.050 g, 0.12 mmol, 1.0 equiv), cyclohexanone (0.015 g, 0.15 mmol, 1.2 equiv), and Na(OAc)3BH (0.046 g, 0.22 mmol, 1.75 equiv) were mixed in 15 mL of 1% AcOH in THF. The reaction was stirred at room temperature for 16 h. The reaction was diluted with 25 mL of saturated sodium bicarbonate solution and the product was extracted 4×25 mL EtOAc. The organic extracts were combined and concentrated. The crude product was purified by semi-prep reverse-phase HPLC using 20 to 80% CH3CN in water over a gradient of 25 min to yield the desired product, pure, as a white solid (0.012 g, 21%); MS, m/z 448=M+1.

1. extractionthe product was extracted 4×25 mL EtOAc
2. concentrationconcentrated
3. customThe crude product was purified by semi-prep reverse-phase
4. customover a gradient of 25 min