反应详情

Add 5-(3-methyl-benzylidene)-10,11-dihydro-5H-dibenzo[a,d]cycloheptene (0.18 g, 0.61 mmol), to a mixture of 10% Pd/C (0.045 g) suspended in absolute ethanol (4.0 mL) and ethyl acetate (2.0 mL) and hydrogenate under a balloon of hydrogen at room temperature and pressure. Stir for 17 h, remove the catalyst via filtration through a pad of Celite. Evaporate the filtrate and pass through a plug of silica gel equilibrated with hexanes. Concentrated the filtrate to give the title product. MS (m/e): 298 (M+). HPLC (ISO80-10M) t=1.00 (98%).

1. customat room temperature
2. customremove the catalyst
3. filtrationvia filtration through a pad of Celite
4. customEvaporate the filtrate and pass through a plug of silica gel
5. concentrationConcentrated the filtrate