反应详情

A mixture of (1S,2R)-2-((6-((6-fluoro-3H-imidazo[4,5-b]pyridin-3-yl)methyl)benzo[d]thiazol-2-yl)amino)cyclohexyl methanesulfonate (100 mg, 0.2 mmol) and sodium thiomethoxide (74 mg, 1.0 mmol) in DMF (1.0 mL) was stirred at rt for 2 h. The mixture was purified directly by reverse-phase preparative HPLC using a mixture of water (5% CH3CN, 0.05% HCOOH) and CH3CN (0.05% HCOOH) as the mobile phase and Varian Pursuit XRs C18 column as the stationary phase to afford 6-((6-fluoro-3H-imidazo[4,5-b]pyridin-3-yl)methyl)-N-((1R,2R)-2-(methylthio)cyclohexyl)benzo[d]thiazol-2-amine (5 mg, 4%) as a white powder. 1H NMR (500 MHz, DMSO-d6) δ 8.68 (s, 1H), 8.41 (t, J=1.8 Hz, 1H), 8.04-8.11 (m, 2H), 7.67 (s, 1H), 7.30 (m, 1H), 7.23 (m, 1H), 5.48 (s, 2H), 3.72 (m, 1H), 2.56 (m, 1H), 1.99-2.08 (m, 5H), 1.63-1.71 (m, 2H), 1.41-1.51 (m, 1H), 1.21-1.36 (m, 3H); LCMS (ESI) m/z 428 (M+H)+.

1. customThe mixture was purified directly by reverse-phase preparative HPLC
2. additiona mixture of water (5% CH3CN, 0.05% HCOOH) and CH3CN (0.05% HCOOH) as the mobile phase and Varian Pursuit XRs C18 column as the stationary phase