反应详情

A solution of (4S,5R)-5-[3,5-bis(trifluoromethyl)phenyl]-3-[(4′-fluoro-4-isopropenyl-5′-isopropyl-2′-methoxybiphenyl-2-yl)methyl]-4-methyl-1,3-oxazolidin-2-one (15 mg, 0.025 mmol) in methanol (1 mL) was subject to H2 (balloon atmosphere) at 20° C. overnight. The crude mixture was filtered through a syringe filter. The filtrate was evaporated in vacuo and purified by preparative TLC plates developed by 20% EtOAc in hexanes to give the titled compound. LC-MS: 612 (M+1)+. 1H NMR (CDCl3, 500 MHz) δ 1:1 mixture of rotamers δ 7.84 (s, 1 H), 7.64-7.68 (m, 2 H), 7.30 (s, 0.5), 7.20-7.27 (m, 1.5 H), 7.13-7.17 (m, 1 H), 7.02 (d, J=8.5 Hz, 0.5H), 6.99 (d, J=8.0 Hz, 0.5 H), 6.65 (d, J=6.0 Hz, 0.5 H), 6.63 (d, J=6.0 Hz, 0.5 H), 5.52 (d, J=8.0 Hz, 0.5H), 5.25 (d, J=8.0 Hz, 1 H), 4.87 (d, J=15.5 Hz, 0.5 H), 4.82 (d, J=15.5 Hz, 0.5H), 4.03 (d, J=15.0 Hz, 0.5 H), 3.81 (d, J=15.0 Hz, 0.5 H), 3.69-3.77 (m, 4 H), 3.14-3.24 (m, 1 H), 2.92-3.02 (m, 1 H), 1.14-1.33 (m, 12 H), 0.48 (d, J=6.5 Hz, 1.5 H), 0.30 (d, J=7.0 Hz, 1.5 H).

1. filtrationThe crude mixture was filtered through a syringe
2. filtrationfilter
3. customThe filtrate was evaporated in vacuo
4. custompurified by preparative TLC plates