反应详情

Procedure same as that for tert-butyl(S)-3-((4-(ethylsulfonyl)benzyl)carbamoyl)-7-isopropyl-5,7-dihydro-6H-pyrrolo[3,4-b]pyridine-6-carboxylate, using (5-(ethylsulfonyl)pyridin-2-yl)methanamine as a starting material. LC-MS tR=0.86 min in 1 min chromatography, MS (ESI) m/z 489.4 [M+H]+. 1H NMR (CDCl3, 400 MHz, mixture of rotamers): δ 9.06 (s, 1H), 8.96 (s, 1H), 8.20 (dd, J=2.0 Hz, 8.4 Hz, 1H), 8.05 (d, J=7.0 Hz, 1H), 7.56 (d, J=8.0 Hz, 1H), 7.52 (s, 1H), 4.99 (m, 2H), 4.90 (m, 2H), 4.80 (d, J=15.2 Hz, 1H), 4.51 (m, 1H), 3.17 (q, J=7.6 Hz, 2H), 2.63-2.54 (m, 0.5H), 2.48-2.39 (m, 0.5H), 1.52 (s, 9H), 1.33 (t, J=7.6 Hz, 3H), 1.10 (d, J=7.2 Hz, 1.5H), 1.01 (d, J=6.8 Hz, 1.5H), 0.78 (d, J=6.8 Hz, 1.5H), 0.73 (d, J=7.2 Hz, 1.5H).