反应详情

1-(3-Azabicyclo[3.3.0]oct-7-yl)-2-isopropoxy-1-ethanone trifluoroacetate was prepared from 1-(3-(tert-butoxycarbonyl)-3-azabicyclo[3.3.0]oct-7-yl)-2-bromo-1-ethanone (0.087 g, 0.27 mmol) and isopropanol, according to the procedure described above for the preparation of 1-(3-azabicyclo[3.3.0]oct-7-yl)-2-methoxy-1-ethanone trifluoroacetate, to give a mixture of cis and trans isomers (1H NMR (CD3OD, 300 MHz): δ 4.21 and 4.20 (s, 2H), 3.64 (heptet, J=6.1 Hz) 1H), 3.54-3.42 (m, 1H), 3.24-3.15 (m, 2H), 2.98-2.90 (m, 4H), 2.37-2.22 and 2.06-1.99 (m, 2H), 1.82-1.75 and 1.65-1.54 (m, 2H), 1.18 (d, J=6.1 Hz, 6H); MS (m/z): 212 (M+1)). This material exhibited Ki values at rat and human α4β2 of 427 nM and 261 nM respectively and did not pass HTS for α7.

1. customto give
2. additiona mixture of cis and trans isomers (1H NMR (CD3OD, 300 MHz): δ 4.21 and 4.20 (s, 2H), 3.64 (heptet, J=6.1 Hz) 1H), 3.54-3.42 (m, 1H), 3.24-3.15 (m, 2H), 2.98-2.90 (m, 4H), 2.37-2.22 and 2.06-1.99 (m, 2H), 1.82-1.75 and 1.65-1.54 (m, 2H), 1.18 (d, J=6.1 Hz, 6H)