反应详情

trans-{4-[8-Amino-1-(3-benzyloxy-phenyl)-imidazo[1,5-a]pyrazin-3-yl]-cyclohexyl}-methanol (compound of Formula I-B where Z=cyclohexyl and Q1=Ph-(3-OBn)) was prepared according to the procedures described for the synthesis of 4-[8-amino-1-(3-benzyloxy-phenyl)-imidazo[1,5-a]pyrazin-3-yl]-cyclohexanecarboxylic acid amide except for the substitution of trans-4-[1-(3-benzyloxyphenyl)-8-chloro-imidazo[1,5-a]pyrazin-3-yl]cyclohexane carboxylic acid methyl ester (compound of Formula II-A where Z=cyclohexyl, CO2A3=4-trans-CO2Me, and Q1=Ph-(3-OBn)) with {4-[1-(3-benzyloxy-phenyl)-8-chloro-imidazo[1,5-a]pyrazin-3-yl]-cyclohexyl}-methanol (compound of Formula II-B where Z=cyclohexyl and Q1=Ph-(3-OBn)); 1H NMR (CDCl3, 400 MHz) δ 1.21 (ddd, 2H, J=25.2 Hz, 12.8 Hz, 3.6 Hz), 1.65-1.71 (m, 1H), 1.91 (ddd, 2H, J=29.6 Hz, 13.2 Hz, 3.6 Hz), 2.00-2.05 (m, 2H), 2.12-2.16 (m, 2H), 2.93 (tt, 1H, J=11.6 Hz, 4.0 Hz), 3.56 (d, 2H, J=6.0 Hz), 5.11 (bs, 2H), 5.16 (s, 2H), 7.05 (ddd, 1H, J=8.0 Hz, 2.8 Hz, 1.2 Hz), 7.07 (d, 1H, J=5.2 Hz), 7.20-7.22 (m, 2H), 7.23-7.24 (m, 2H), 7.31-7.35 (m, 1H), 7.36-7.41 (m, 2H), 7.42-7.45 (m, 2H); MS (ES) 429.5 (M+1).