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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1898240Generated: November 1, 2026

Hydrochloric Acid → HCID 58268227, compound

https://huagongshe.com/reaction/1898240

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantSulfur DioxideHCID 1119—
ReactantSodium NitriteHCID 23668193—
Reactant1305341-02-9HCID 58268216—
CatalystCuprous chlorideHCID 62652—
SolventAcetic AcidHCID 176—
SolventWaterHCID 962—
ProductHCID 58268227HCID 58268227—

Reaction Steps

Amounts used: 2 mL of acetic acid was saturated with sulfur dioxide, 47 mg of copper(I) chloride, 365 mg (1.91 mmol) of 4-chloro-3-(1,1-difluoro-ethyl)-phenylamine dissolved in a mixture of 1.2 mL of acetic acid and 0.6 mL of concentrated hydrochloric acid, 145 mg of sodium nitrite in 1 mL of water. Flash chromatography on silica using 0-15% ethyl acetate in hexanes afforded 377 mg of the product as a white solid. LC-MSD spectrum not observed;

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08519135B2
Source datasetuspto-grants-2013_08
ORD IDord-fc964142b52a4faabdc87e2056172a95
Source noteuspto-grants-2013_08