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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2245736Generated: November 2, 2026

Acetic Anhydride → 2-Acetamido-5-bromopyridine

https://huagongshe.com/reaction/2245736

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AnhydrideHCID 7918—
Reactant2-Amino-5-bromopyridineHCID 70622—
SolventTetrahydrofuranHCID 8028—
Product2-Acetamido-5-bromopyridineHCID 29309780.5%

Reaction Conditions

Temperature20 °C

Reaction Steps

To a stirred solution of 5-Bromo-pyridin-2-ylamine (100 mg, 0.578 mmol) in dry THF was added acetic anhydride (70.25 mg, 0.693 mmol). The reaction mixture was stirred at 20° C. for 12 hrs. THF was distilled out and to it was added ethyl acetate. The organic layer was washed with saturated NaHCO3 solution and dried over anhy sodium sulphate. Removal of the solvent afforded N-(5-Bromo-pyridin-2-yl)-acetamide (100 mg, 80%). This was carried to next step without further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07683064B2
Source datasetuspto-grants-2010_03
ORD IDord-4cb256d57de645cf857debd0f706fa24
Source noteuspto-grants-2010_03