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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 431957Generated: October 31, 2026

Potassium Carbonate → HCID 9880839, compound

https://huagongshe.com/reaction/431957

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
ReactantHCID 9878436HCID 9878436—
ReactantN,N-Dimethylaminoethyl chloride hydrochlorideHCID 11636816—
SolventDimethylformamideHCID 6228—
SolventDichloromethaneHCID 6344—
ProductHCID 9880839HCID 988083965.1%

Reaction Conditions

Temperature150 °C

Reaction Steps

A mixture of 3-(2-pyridyl)-5-(3-cyano-5-hydroxyphenyl)-1,2,4-oxadiazole (30 mg, 0.11 mmol), potassium carbonate (374mg, 2.7 mmol) and 2-dimethylaminoethyl chloride hydrochloride (46 mg, 0.32 mmol) in N,N-dimethylformamide (1 mL) were heated in a sealed vial at 150° C. for 5 minutes. The reaction was cooled, diluted with dichloromethane, washed with water (3×) and saturated brine, filtered and concentrated. Silica gel chromatography using a gradient of 1% methanol in dichloromethane to 5% methanol in dichloromethane afforded 24 mg (53%) of 3-(2-pyridyl)-5-(3-cyano-5-(2-dimethylaminoethoxy)phenyl) -1,2,4-oxadiazole: 1H NMR (CDCl3): δ-8.86 (d, 1H), 8.23 (d, 1H), 8.15 (s, 1H), 8.04 (s, 1H), 7.91 (t, 1H), 7.49 (m, 1H), 7.43 (s, 1H), 4.20 (t, 2H), 2.80 (t, 2H), 2.37 (s, 6H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06660753B2
Source datasetuspto-grants-2003_12
ORD IDord-8258786dc6c54b8ab7dc62bcf3d37d38
Source noteuspto-grants-2003_12