Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2279003Generated: October 30, 2026

Potassium Carbonate → N-(5-((6'-methyl-[2,3'-bipyridin]-4-yl)oxy)pyridin-2-yl)-2-oxo-3-(tetrahydro-2H-pyran-4-yl)imidazolidine-1-carboxamide

https://huagongshe.com/reaction/2279003

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant2-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridineHCID 16414272—
ReactantN-(5-((2-chloropyridin-4-yl)oxy)pyridin-2-yl)-2-oxo-3-(tetrahydro-2H-pyran-4-yl)imidazolidine-1-carboxamideHCID 90426999—
CatalystHCID 178418397HCID 178418397—
SolventWaterHCID 962—
Solvent1,4-DioxaneHCID 31275—
ProductN-(5-((6'-methyl-[2,3'-bipyridin]-4-yl)oxy)pyridin-2-yl)-2-oxo-3-(tetrahydro-2H-pyran-4-yl)imidazolidine-1-carboxamideHCID 8626860952%

Reaction Conditions

Temperature95 °C

Reaction Steps

A mixture of Example C1 (0.200 g, 0.479 mmol), K2CO3 (0.132 g, 0.957 mmol) and 2-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (0.126 g, 0.574 mmol) in dioxane (8 mL) and water (2 mL) was sparged with Ar, treated with Pd(PPh3)4 (0.055 g, 0.048 mmol), sparged again with Ar and heated at 95° C. overnight. The mixture was cooled to RT, treated with satd. NaHCO3 and extracted with EtOAc (4×). The combined organics were dried over Na2SO4, concentrated to dryness, suspended in MeCN and sonicated. The resulting solid was collected via filtration and dried to afford N-(5-((6′-methyl-[2,3′-bipyridin]-4-yl)oxy)pyridin-2-yl)-2-oxo-3-(tetrahydro-2H-pyran-4-yl)imidazolidine-1-carboxamide (118 mg, 52%). 1H NMR (400 MHz, DMSO-d6): δ 10.97 (s, 1 H), 9.09 (d, J=2.3 Hz, 1 H), 8.54 (d, J=5.7 Hz, 1 H), 8.29-8.24 (m, 2 H), 8.07 (d, J=9.0 Hz, 1 H), 7.75 (dd, J=9.0, 2.9 Hz, 1 H), 7.63 (d, J=2.4 Hz, 1 H), 7.33 (d, J=8.2 Hz, 1 H), 6.87 (dd, J=5.7, 2.4 Hz, 1 H), 3.92-3.77 (m, 5 H), 3.48-3.34 (m, 4 H), 2.50 (s, 3 H), 1.77-1.65 (m, 2 H), 1.62-1.55 (m, 2H); MS (ESI) m/z: 475.2 (M+H+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09133183B2
Source datasetuspto-grants-2015_09
ORD IDord-76bdfa1ed6924a66aafc61689eb94db3
Source noteuspto-grants-2015_09