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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1886939Generated: October 30, 2026

Butyryl chloride → HCID 178454438, compound

https://huagongshe.com/reaction/1886939

Reaction equation

Participants

RoleNameHCIDCharge
ReactantButyryl chlorideHCID 8855—
ReactantEthyl AcetateHCID 8857—
ReactantHCID 178423931HCID 178423931—
SolventPyridineHCID 1049—
ProductHCID 178454438HCID 17845443828.5%

Reaction Steps

To a solution of 2-p-tolyl-1H-benzo[d]imidazol-5-amine (150 mg, 0.67 mmol) in pyridine (10 mL) at room temperature was added butyryl chloride (77 μL, 0.74 mmol). The resulting mixture was stirred at room temperature for 16 h. Ethyl acetate was added and the organic layer was washed twice with saturated aqueous copper sulfate, followed by sodium bicarbonate and brine. The combined organic layers were dried over anhydrous MgSO4 and evaporated. The resulting solid was purified by column chromatography eluting with ethyl acetate/hexanes 50:50 v/v to afford 56 mg (28%) of the title compound (LCMS RT=6.96 min, MH+ 294.0)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08501713B2
Source datasetuspto-grants-2013_08
ORD IDord-e2b1c31d8041444dbd7c596907d11a06
Source noteuspto-grants-2013_08