反应详情

温度

35 °C

Method B—Step a To a vial with (R)-1-[3-(1H-Benzoimidazol-2-yl)-4-chloro-phenyl]-piperidine-3-carboxylic acid hydrochloride (obtained as described in general method 2, step e) (0.10 g, 0.28 mmol) (obtained as described in general method 2), HATU (0.11 g, 0.30 mmol), triethylamine (TEA) (0.09 mL, 0.66 mmol) and tert-Butyl-1-piperazinecarboxylate (0.08 g, 0.62 mmol) dichloromethane (2 L) was added and the reaction mixture was heated at 35° C. overnight. Reaction was cooled to room temperature, solvent removed and the crude purified by preparative HPLC and NH2 column filtration, to obtain 0.06 g of the title compound (55%).

1. customReaction
2. temperaturewas cooled to room temperature
3. customsolvent removed
4. filtrationthe crude purified by preparative HPLC and NH2 column filtration