反应详情

To a solution of 4-((benzyloxy)methyl)spiro[2,5]-octane (0.42 g, 1.8 mmol) in a 5:1 MeOH-EtOAc (12 mL) Pd/C (0.05 g, 5 wt %, 50% wet Degussa type) was added. The flask was fitted with a balloon of hydrogen, and the heterogeneous reaction mixture was stirred for 2 hours under a hydrogen atmosphere at rt. The catalyst solids were filtered off and the filtrate was concentrated under vacuum to give the desired product spyri[2.5]octan-4-ylmethanol as clear oil. 1H NMR (400 MHz, CDCl3) δ 3.74-3.62 (m, 2H), 3.48 (d, J=5.2 Hz, 2H), 1.65-1.59 (m, 2H), 1.51-1.43 (m, 3H), 1.27-1.24 (m, 1H), 1.12-1.11 (m, 1H), 0.96-0.95 (m, 1H), 0.41-0.37 (m, 1H), 0.29-0.17 (m, 3H). MS m/z 123.1 (M−17+1).

1. filtrationThe catalyst solids were filtered off
2. concentrationthe filtrate was concentrated under vacuum