Tetrahydrofuran → HCID 178496031, compound

Participants

Reaction Conditions

Reaction Steps

A mixture of 3,6-dichloro-1H-pyrazolo[4,3-c]pyridine (583.6 mg, 3.10 mmol), 1-(2-methoxyethyl)urea (550 mg, 4.66 mmol), chloro[2-(dicyclohexylphosphino)-3,6-dimethoxy-2′-4′-6′-tri-1-propyl-1,1′-biphenyl][2-(2-aminoethyl)phenyl]palladium(II) (248 mg, 0.310 mmol) and 1.78 M KOtBu in THF (5231 μl, 9.31 mmol) was degassed and then THF (0.5 mL) was added. The reaction mixture was heated to 60° C. overnight. The reaction was diluted with ethyl acetate and washed with water. The combined organics were dried over magnesium sulfate and concentrated under reduced pressure. The residue was purified by MPLC (0-30% MeOH-DCM) gave 1-(3-chloro-1H-pyrazolo[4,3-c]pyridin-6-yl)-3-(2-methoxyethyl)urea (214 mg, 0.794 mmol, 25.6% yield). MS ESI calc'd. for C10H13ClN5O2 [M+H]+ 270, found 270.

Provenance & Evidence