反应详情

温度

40 °C

To a suspension of lithium aluminum hydride (min. 80%, 1.50 g, 40.0 mmol) in tetrahydrofuran (50 ml) was added dropwise a solution of N,N-dibenzylpiperidine-4-carboxamide (EXAMPLE 4, Step 2, 3.08 g, 10.0 mmol) in tetrahydrofuran (50 ml) at 0° C. over 15 min. The mixture was stirred at 0° C. for 30 min and at 40° C. for 4 h. After cooling to 0° C., water (3.3 ml), 15% NaOH aqueous solution (3.3 ml), and then water (10 ml) were carefully added dropwise. The resulting mixture was filtered through a pad of Celite and the filtrate was concentrated in vacuo to give 2.85 g (97%) of the title compound as a pale yellow oil.

1. temperatureAfter cooling to 0° C.
2. filtrationThe resulting mixture was filtered through a pad of Celite
3. concentrationthe filtrate was concentrated in vacuo