Cl[C:2]1[C:3]([CH:28]=[O:29])=[C:4]([C:12]2[CH:13]=[CH:14][C:15]([C:18]([NH:20][CH2:21][CH2:22][C:23]([O:25][CH2:26][CH3:27])=[O:24])=[O:19])=[N:16][CH:17]=2)[CH:5]=[C:6]([C:8]([F:11])([F:10])[F:9])[CH:7]=1.[CH3:30]B(O)O>O1CCOCC1.O.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2]>[CH:28]([C:3]1[C:2]([CH3:30])=[CH:7][C:6]([C:8]([F:11])([F:10])[F:9])=[CH:5][C:4]=1[C:12]1[CH:13]=[CH:14][C:15]([C:18]([NH:20][CH2:21][CH2:22][C:23]([O:25][CH2:26][CH3:27])=[O:24])=[O:19])=[N:16][CH:17]=1)=[O:29]Ethyl 3-(5-(3-chloro-2-formyl-5-(trifluoromethyl)phenyl)picolinamido)propanoate (150 mg, 0.35 mmol), methylboronic acid (31 mg, 0.53 mmol), Pd(dppf)Cl2 (34 mg, 0.05 mmol) and K3Pa4hydrate (322 mg, 1.40 mmol) were dissolved in 1,4-dioxane (2 mL) and the resulting mixture was heated to 90° C. After 10 h the resulting mixture was diluted with water and extracted with EtOAc. The combined organic extracts were dried (Na2SO4), concentrated, and purified via column chromatography to yield the title compound.
Wird geladen…