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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 74635Generated: October 27, 2026

Triethylamine → 1-{1-[6-(5-Fluoro-2,3-dihydroindole-1-carbonyl)-pyrimidin-4-yl]-piperidin-4-yl}-1,3-dihydro-imidazo[4,5-b]pyridin-2-one

https://huagongshe.com/reaction/74635

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantO-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 2733207—
Reactant5-FluoroindolineHCID 2774463—
Reactant6-[4-(2-Oxo-2,3-dihydroimidazo[4,5-b]pyridin-1-yl)-piperidin-1-yl]pyrimidine-4-carboxylic acidHCID 58386696—
SolventDimethylformamideHCID 6228—
Product1-{1-[6-(5-Fluoro-2,3-dihydroindole-1-carbonyl)-pyrimidin-4-yl]-piperidin-4-yl}-1,3-dihydro-imidazo[4,5-b]pyridin-2-oneHCID 42613301—

Reaction Steps

100 mg (0.294 mmol) 6-[4-(2-oxo-2,3-dihydroimidazo[4,5-b]pyridin-1-yl)-piperidin-1-yl]-pyrimidine-4-carboxylic acid, 42 mg (0.31 mmol) 5-fluoro-2,3-dihydro-1H-indole, 100 mg (0.311 mmol) TBTU and 45 μL (0.320 mmol) triethylamine in 10 mL DMF were stirred overnight at RT. The reaction mixture was evaporated down using the rotary evaporator. The residue was dissolved in 3 mL DMF and purified by preparative HPLC-MS. The product fractions were combined and lyophilised.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08829006B2
Source datasetuspto-grants-2014_09
ORD IDord-afe99016cbe6430f9f112911bb28765a
Source noteuspto-grants-2014_09