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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2351660Generated: November 2, 2026

1,1'-Carbonyldiimidazole → 2(4-Chlorophenyl)-N-(1-ethyl-3-pyrrolidinyl)-3H-imidazo[4,5-b]pyridine-3-acetamide hydrochloride hydrate

https://huagongshe.com/reaction/2351660

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,1'-CarbonyldiimidazoleHCID 68263—
Reactant1-Ethylpyrrolidin-3-amineHCID 12861942—
Reactant4-chlorophenyl-3H-imidazo[4,5-b]pyridine-3-acetic acidHCID 14390457—
SolventTetrahydrofuranHCID 8028—
Product2(4-Chlorophenyl)-N-(1-ethyl-3-pyrrolidinyl)-3H-imidazo[4,5-b]pyridine-3-acetamide hydrochloride hydrateHCID 23037313—

Reaction Steps

A mixture of 2-(4-chlorophenyl)-3H-imidazo[4,5-b]pyridine-3-acetic acid, (5.0 g, 0.0174 mole) and 1,1'-carbonyldiimidazole (2.82 g, 0.0174 mole) in 150 ml of tetrahydrofuran was stirred at room temperature for 3 hrs. 3-Amino-N-ethylpyrrolidine (2.18 g, 0.019 mole) was added dropwise and the reaction mixture was allowed to stir at room temperature overnight.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04873251
Source datasetuspto-grants-1989_10
ORD IDord-defcbd28833d4af9bb5a724d2f53ed6c
Source noteuspto-grants-1989_10