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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1266970Generated: October 27, 2026

Ethylene Glycol → 3-Chloro-5-(2-hydroxyethoxy)pyridine

https://huagongshe.com/reaction/1266970

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthylene GlycolHCID 174—
ReactantSodium HydroxideHCID 14798—
Reactant3,5-DichloropyridineHCID 17153—
ReactantSodiumHCID 5360545—
SolventDimethyl SulfoxideHCID 679—
Product3-Chloro-5-(2-hydroxyethoxy)pyridineHCID 11557369—

Reaction Conditions

Temperature70 °C

Reaction Steps

A mixture of sodium (2.0 g, 89.5 mmol) and ethylene glycol (50 ml) was stirred at 70° C. for 30 min. 3,5-Dichloropyridine (11.0 g, 74.5 mmol) and dimethyl sulfoxide (50 ml) were added to the crude mixture. The crude mixture was stirred for 10 h at 110° C. Aqueous sodium hydroxide (100 ml) was added and the crystals were filtered. Yield 8.0 g, 51%.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06552012B2
Source datasetuspto-grants-2003_04
ORD IDord-7549f0b6aafc4058a7967b2f1d0530fb
Source noteuspto-grants-2003_04