反应详情

温度

75 °C

To a stirred solution of N2′-(trans-4-aminocyclohexyl)-3,5′-dichloro-N6-((tetrahydro-2H-pyran-4-yl)methyl)-2,4′-bipyridine-2′,6-diamine (68 mg, 0.151 mmol) in DMF (0.2 ml) was added DIPEA (80 μL, 0.458 mmol) followed by (S)-(2,2-dimethyl-1,3-dioxolan-4-yl)methyl 4-methylbenzenesulfonate (42 mg, 0.147 mmol). The mixture was heated at 75° C. for 19 hours. The mixture was allowed to cool, then diluted with water and then extracted with EtOAc (×3). The organics were combined then washed with water (×2), saturated brine (×2), then dried (Na2SO4), filtered and evaporated under reduced pressure. The resulting residue was purified by reverse phase prep HPLC and lyaphllized to yield 3,5′-dichloro-N2′-(trans-4-(((R)-2,2-dimethyl-1,3-dioxolan-4-yl)methyl)aminocyclohexyl)-N6-((tetrahydro-2H-pyran-4-yl)methyl)-2,4′-bipyridine-2′,6-diamine (4.4 mg), LCMS (m/z): 564.4/566.3 (bis-chloro isotopic signature for MH+) retention time=0.65 min as a TFA salt.

1. temperatureto cool
2. extractionextracted with EtOAc (×3)
3. washThe organics were combined then washed with water (×2), saturated brine (×2)
4. dry with materialdried (Na2SO4)
5. filtrationfiltered
6. customevaporated under reduced pressure
7. customThe resulting residue was purified by reverse phase prep HPLC