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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1898238Generated: November 1, 2026

Hydrochloric Acid → HCID 58268035, compound

https://huagongshe.com/reaction/1898238

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantSulfur DioxideHCID 1119—
Reactant93-49-2HCID 20714347—
ReactantSodium NitriteHCID 23668193—
CatalystCuprous chlorideHCID 62652—
SolventAcetic AcidHCID 176—
SolventWaterHCID 962—
ProductHCID 58268035HCID 58268035—

Reaction Steps

Amounts used: 25 mL of acetic acid was saturated with sulfur dioxide, 700 mg of copper(I) chloride, 4.40 g (28.3 mmol) of 4-chloro-3-ethyl-phenylamine dissolved in a mixture of 9 mL of acetic acid and 9 mL of concentrated hydrochloric acid, 2.20 g of sodium nitrite in 10 mL of water. Flash chromatography on silica using 0-20% ethyl acetate in hexanes afforded 3.4 g 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-e92bacd7699e463490dd48fec6063a83
Source noteuspto-grants-2013_08