反应详情

温度

100 °C

Ethyl 5-[(tert-butoxycarbonyl)amino]-2-iodo-1,3-thiazole-4-carboxylate (1 g, 2.5 mmol), 4-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl]morpholine (1.1 g, 3.7 mmol), Pd2(dba)3 (0.23 g, 0.25 mmol), and tricyclohexylphosphine (0.18 g, 0.63 mmol) were combined in a flask. The flask was evacuated and backfilled with argon three times. Fully degassed dioxane (17 mL) and 1.27 M aqueous potassium phosphate (6.5 ml, 8.3 mmol) were added sequentially. The reaction was heated to 100° C. for 6 h. The mixture was then cooled, diluted with ethyl acetate, washed with water, dried (MgSO4), filtered, and the solvent was evaporated under reduced pressure. The resulting residue was purified by flash chromatography (silica, 0-75% ethyl acetate/hexanes) to afford the title compound as a yellow solid. LRMS (APCI) calc'd for (C20H27N4O5S) [M+H]+, 435.2; found 435.0.

1. customThe flask was evacuated
2. temperatureThe mixture was then cooled
3. washwashed with water
4. dry with materialdried (MgSO4)
5. filtrationfiltered
6. customthe solvent was evaporated under reduced pressure
7. customThe resulting residue was purified by flash chromatography (silica, 0-75% ethyl acetate/hexanes)