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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1446679Generated: November 1, 2026

Chloroacetaldehyde → 7-Iodoimidazo[1,2-a]pyridine

https://huagongshe.com/reaction/1446679

Reaction equation

Participants

RoleNameHCIDCharge
ReactantChloroacetaldehydeHCID 33—
Reactant4-Iodopyridin-2-amineHCID 22607551—
SolventEthanolHCID 702—
Product7-Iodoimidazo[1,2-a]pyridineHCID 5324993432%

Reaction Conditions

Temperature83 °C

Reaction Steps

Combine 4-iodo-pyridin-2-ylamine (4.00 g, 18.18 mmol) and chloroacetaldehyde (2.77 mL, 21.82 mmol) in ethanol (40 mL). Attach a reflux condenser, and heat the mixture to 83° C., stir overnight (15 hours), and cool to room temperature. Filter the resulting solution to yield the product as a tan solid (1.40 g, 32%). MS(ES), m/z 245 (M+1)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07666879B2
Source datasetuspto-grants-2010_02
ORD IDord-076a4249e2d247c3a9ff489d149b2d22
Source noteuspto-grants-2010_02