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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1044299Generated: October 30, 2026

1,1'-Carbonyldiimidazole → ethyl 2-(2-oxo-1H-imidazo[4,5-b]pyridin-3(2H)-yl)acetate

https://huagongshe.com/reaction/1044299

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,1'-CarbonyldiimidazoleHCID 68263—
ReactantEthyl 2-(3-aminopyridin-2-ylamino)acetateHCID 14390203—
SolventTetrahydrofuranHCID 8028—
Productethyl 2-(2-oxo-1H-imidazo[4,5-b]pyridin-3(2H)-yl)acetateHCID 6733510327%

Reaction Steps

To a solution of ethyl N-(3-aminopyridin-2-yl)glycinate (18 g) in THF (200 mL) was added CDI (15 g) at room temperature, and the mixture was stirred at room temperature overnight. The mixture was concentrated under reduced pressure. The residual crystals were washed with AcOEt to give the title compound (5.5 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08563575B2
Source datasetuspto-grants-2013_10
ORD IDord-416b5c1ef37346b3bb6ae32d802122c1
Source noteuspto-grants-2013_10