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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1954064Generated: October 30, 2026

Ethyl Acetate → HCID 70303433, compound

https://huagongshe.com/reaction/1954064

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl AcetateHCID 8857—
ReactantPhosphorus oxychlorideHCID 24813—
ReactantHCID 54451491HCID 54451491—
SolventAcetonitrileHCID 6342—
ProductHCID 70303433HCID 7030343362.6%

Reaction Steps

700 mg of (+/-)-cis-N-[2-(3-ethoxy-4-methoxyphenyl)cyclohexyl]-4-sulfamoylbenzamide (compound A1) are dissolved in 100 ml of acetonitrile and 2.0 ml of phosphorus oxychloride and the solution is stirred at 80° C. overnight. The reaction mixture is treated with 60 ml of ethyl acetate and extracted with sodium hydrogencarbonate solution. The organic phase is dried using sodium sulfate and concentrated. The residue is recrystallized from ethanol. 420 mg of the title compound are obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06121279
Source datasetuspto-grants-2000_09
ORD IDord-eb5ae34cd10a477295b95312e09d579d
Source noteuspto-grants-2000_09