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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2307752Generated: October 30, 2026

Acetic Anhydride → HCID 22607358, compound

https://huagongshe.com/reaction/2307752

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AnhydrideHCID 7918—
ReactantTriethylamineHCID 8471—
Reactant3-Bromo-5-hydroxypyridineHCID 599529—
SolventDiethyl EtherHCID 3283—
SolventTetrahydrofuranHCID 8028—
ProductHCID 22607358HCID 2260735884%

Reaction Steps

A mixture of 3-bromo-5-hydroxypyridine (9.00 g, 51.7 mmol), acetic anhydride (6.0 mL) and triethylamine (12.0 mL) in THF (50 mL) was heated to reflux overnight, cooled to room temperature, diluted with diethyl ether, washed with water, 5% NaHCO3, water, and brine, dried (MgSO4), filtered, and concentrated to provide the desired product (9.37 g, 84%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06831175B2
Source datasetuspto-grants-2004_12
ORD IDord-e227cd3dc9e74572b964856f71ce8e50
Source noteuspto-grants-2004_12