Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2181414Generated: October 27, 2026

Cyclopentylamine → 5Chloro-2-(4fluorophenyl)imidazo[4,5-b]pyridine

https://huagongshe.com/reaction/2181414

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCyclopentylamineHCID 2906—
Reactant5-Chloro-2-(4-fluorophenyl)-1-(2-methylsulfinyl-4-pyrimidinyl)imdazo[4,5-b]pyridineHCID 22486127—
Product5Chloro-2-(4fluorophenyl)imidazo[4,5-b]pyridineHCID 2248612538.8%

Reaction Steps

5-Chloro-2-(4-fluorophenyl)-1-(2-methylsulfinyl-4-pyrimidinyl)imidazo[4,5-b]pyridine (200 mg 0.52 mmol) and cyclopentylamine (1 ml) are heated to 80° C. for 1 h, evaporated and purified by SiO2 chromatography (acetone/cyclohexane 10/90 to 20/80) to yield the title compound as white crystals (50 mg 24%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06891039B2
Source datasetuspto-grants-2005_05
ORD IDord-06d34a2ac07f41e1965d22756672b1b7
Source noteuspto-grants-2005_05