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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1773786Generated: October 31, 2026

Sodium Bicarbonate → HCID 178466780, compound

https://huagongshe.com/reaction/1773786

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium BicarbonateHCID 516892—
Reactant5-Acetyl-3-phenoxymethyl-pyrazole-1-sulfonic acid dimethylamideHCID 67960092—
SolventHydrochloric AcidHCID 313—
SolventMethanolHCID 887—
ProductHCID 178466780HCID 17846678081%

Reaction Conditions

Temperature65 °C

Reaction Steps

5-Acetyl-3-phenoxymethyl-pyrazole-1-sulfonic acid dimethylamide (0.1 g, 0.32 mmol) was dissolved in a 1.25M solution of HCl in methanol (3.79 mL) in a sealed tube and under nitrogen. The mixture was stirred at 65° C. for 24 hours, then basified with a saturated solution of NaHCO3 and extracted with DCM. The organic layer was separated, dried (MgSO4), filtered and the solvents evaporated in vacuo. The crude product was purified by flash column chromatography (silica; AcOEt in DCM 0/100 to 40/60). The desired fractions were collected and the solvents evaporated in vacuo to yield 1-(5-phenoxymethyl-2H-pyrazol-3-yl)-ethanone (55 mg, 81% yield) as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09255103B2
Source datasetuspto-grants-2016_02
ORD IDord-ea779ff78cb64d4383ddca44e78dda7c
Source noteuspto-grants-2016_02