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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 911270Generated: October 30, 2026

Hydrochloric Acid → HCID 13440335, compound

https://huagongshe.com/reaction/911270

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant1,1,1-Trifluoro-2-propanolHCID 9774—
Reactant4-FluorobenzonitrileHCID 14517—
ReactantSodium hydrideHCID 24758—
SolventHexamethylphosphoramideHCID 12679—
ProductHCID 13440335HCID 1344033570.4%

Reaction Conditions

Temperature90 °C

Reaction Steps

Add 1,1,1-trifluoro-2-propanol (3.8 g, 66 mmol) slowly to a slurry of sodium hydride (730 mg, 60% in mineral oil, washed with hexane) in HMPA (5 mL) under nitrogen. Stir the slurry for 15 min and add 4-fluorobenzonitrile (2 g, 16.5 mmol). Heat the slurry in a sealed flask to 90° C. for 16 h. Cool the mixture to ambient temperature and pour the mixture into a flask containing 5% aqueous HCl (20 mL). Extract the mixture with diethyl ether (3×50 mL), and wash with 5% aqueous HCl (25 mL). Dry the organic layer over Na2SO4 and concentrate in vacuo. Purify by chromatography on silica gel eluting with hexane/EtOAc (9:1) to obtain the desired intermediate (2.5 g, 70%). GC-MS m/z: 215 (M+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08022062B2
Source datasetuspto-grants-2011_09
ORD IDord-ae69009ce4c347959be510d8fad56935
Source noteuspto-grants-2011_09