反应详情

A solution of 6-methoxy-N-(3-(2-methyl-9-(tetrahydro-2H-pyran-2-yl)-9H-purin-6-yl)pyridin-2-yl)pyridin-3-amine (95.3 mg, 228 μmol) in 2N aqueous HCl (2.0 mL, 4 mmol) was heated briefly at 100° C. in an oil bath, and then the heater was turned off and the mixture allowed to slowly cool. The solution was concentrated and purified by SCX ion exchange chromatography washing with MeOH and eluting off with 2N NH3/MeOH to give N-(6-methoxypyridin-3-yl)-3-(2-methyl-9H-purin-6-yl)pyridin-2-amine (72 mg, 95% yield) as an orange solid. 1H NMR (400 MHz, d6-DMSO) δ 13.60 (br. s., 1H); 12.68 (s, 1H); 9.80 (dd, J=7.82, 1.96 Hz, 1H); 8.60 (s, 1H); 8.54 (d, J=2.69 Hz, 1H); 8.31 (dd, J=4.65, 1.96 Hz, 1H); 8.20 (dd, J=8.92, 2.81 Hz, 1H); 7.00 (dd, J=7.95, 4.77 Hz, 1H); 6.85 (d, J=8.80 Hz, 1H); 3.85 (s, 3H); 2.86 (s, 3H). m/z (ESI, +ve) 334.0 (M+H)+.

1. temperatureto slowly cool
2. concentrationThe solution was concentrated
3. custompurified by SCX ion exchange chromatography
4. washwashing with MeOH
5. washeluting off with 2N NH3/MeOH