反应详情

温度

100 °C

Pyridin-3-ylmethyl [4-(aminocarbonyl)benzyl]carbamate (0.35 g, 1.24 mmol), di-tert-butyl(2-chloro-6-phenylpyridin-3-yl)imidodicarbonate (0.5 g, 1.24 mmol), Xanthphos (0.07 g, 0.12 mmol), potassium phosphate, tribasic (0.79 g, 3.70 mmol), and Pd2(dba)3 (0.57 g, 0.06 mmol) were combined in a 20 mL microwave vial and dioxane was added. The mixture was degassed for 20 mins, then sealed and heated to 100° C. overnight. Reaction was not complete and was continued another 24 h, for a total of 48 h at 100° C. The reaction was cooled to RT, diluted with saturated NaHCO3 solution and EtOAc, and the layers were separated. The water layer was extracted with EtOAc (2×100 mL). The combined organic fractions were washed with brine, dried over Na2SO4, filtered, and evaporated in vacuo. The residue was purified on a Biotage 65i column to yield pyridin-3-ylmethyl{4-[({3-[(tert-butoxycarbonyl)amino]-6-phenylpyridin-2-yl}amino)carbonyl]benzyl}carbamate. MS: cal'd 554 (MH+), exp 554 (MH+).

1. customThe mixture was degassed for 20 mins
2. customsealed
3. customReaction
4. temperatureThe reaction was cooled to RT
5. customthe layers were separated
6. extractionThe water layer was extracted with EtOAc (2×100 mL)
7. washThe combined organic fractions were washed with brine
8. dry with materialdried over Na2SO4
9. filtrationfiltered
10. customevaporated in vacuo
11. customThe residue was purified on a Biotage 65i column