Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1618570Generated: November 2, 2026

2-Dicyclohexylphosphino-2',4',6'-triisoprophylbiphenyl → 4-(3,3-dimethyl-6-(4-morpholinyl)-2,3-dihydro-1H-pyrrolo[3,2-b]pyridin-1-yl)-5-fluoro-3,8-dimethyl-2-(2-pyridin-yl)quinoline

https://huagongshe.com/reaction/1618570

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Dicyclohexylphosphino-2',4',6'-triisoprophylbiphenylHCID 11155794—
ReactantSodium t-butoxideHCID 23676156—
Reactant4-Chloro-5-fluoro-3,8-dimethyl-2-(pyridin-2-yl)quinolineHCID 59631265—
Reactant4-(3,3-dimethyl-2,3-dihydro-1H-pyrrolo[3,2-b]pyridin-6-yl)-morpholineHCID 67284499—
CatalystBis(dibenzylideneacetone)palladiumHCID 9811564—
SolventTolueneHCID 1140—
Product4-(3,3-dimethyl-6-(4-morpholinyl)-2,3-dihydro-1H-pyrrolo[3,2-b]pyridin-1-yl)-5-fluoro-3,8-dimethyl-2-(2-pyridin-yl)quinolineHCID 50938605—

Reaction Conditions

Temperature100 °C

Reaction Steps

A mixture of 4-chloro-5-fluoro-3,8-dimethyl-2-(pyridin-2-yl)quinoline (30 mg, 0.11 mmol) (described herein), 4-(3,3-dimethyl-2,3-dihydro-1H-pyrrolo[3,2-b]-pyridin-6-yl)morpholine (29.3 mg, 0.13 mmol) (described herein), Pd2dba3 (9.58 mg, 10.5 μmol), 2-(dicyclohexylphosphino)-2′,4′,6′-tri-i-propyl-1,1′-biphenyl (9.98 mg, 0.021 mmol), sodium tert-butoxide (30.2 mg, 0.314 mmol), and toluene (1.0 mL) was stirred at 100° C. for 18 h, then cooled to rt and concentrated. The resulting residue was taken up in EtOAc, washed with saturated aqueous sodium bicarbonate solution, 1M NaOH, and brine, and the organic layer dried (MgSO4) and concentrated. Chromatography afforded 4-(3,3-dimethyl-6-(4-morpholinyl)-2,3-dihydro-1H-pyrrolo[3,2-b]pyridin-1-yl)-5-fluoro-3,8-dimethyl-2-(2-pyridin-yl)quinoline as a yellow solid. 1H NMR (400 MHz, chloroform-d) δ ppm 8.69-8.76 (1H, m), 8.02-8.07 (1H, m), 7.92 (1H, td, J=7.7, 1.9 Hz), 7.50-7.56 (1H, m), 7.43-7.50 (1H, m), 7.34-7.43 (1H, m), 7.05 (1H, dd, J=12.2, 7.9 Hz), 5.70-5.75 (1H, m), 3.86 (1H, dt, J=8.9, 0.7 Hz), 3.68-3.79 (5H, m), 2.93-3.05 (4H, m), 2.79 (3H, s), 2.50 (3H, s), 1.56 (3H, s), 1.50 (3H, s). Mass Spectrum (ESI) m/e=484 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08765940B2
Source datasetuspto-grants-2014_07
ORD IDord-155fbfdb18404ab1bb2aee20331dc4e7
Source noteuspto-grants-2014_07