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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2372978Generated: October 26, 2026

Hydrochloric Acid → 4-(4-Iodophenyl)benzonitrile

https://huagongshe.com/reaction/2372978

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantPyridineHCID 1049—
ReactantMercuric cyanideHCID 11591—
Reactant4,4'-Diiodo-1,1'-biphenylHCID 76348—
SolventDimethylformamideHCID 6228—
Product4-(4-Iodophenyl)benzonitrileHCID 139300586.8%

Reaction Conditions

Temperature200 °C

Reaction Steps

A mixture of 15 g (33.2.10-3 mol) of 4,4'-diiodo-1,1'-biphenyl, 3.13 g (34.9.10-3 mol) of mercuric cyanide and 2.75 g (34.9.10-3 mol) of pyridine is heated at 200° C. for 15 minutes and 6 ml of dimethylformamide are then added to the mixture. After cooling, the reaction medium is hydrolyzed with a 1N aqueous solution of hydrochloric acid. The expected product is extracted with ethyl acetate. The organic phase obtained is washed with water until the pH of the washings is neutral, dried over magnesium sulfate and evaporated under vacuum. 3.28 g (yield: 33%) of a yellow solid are obtained after purification by flash chromatography using a chloroform/toluene mixture (1/1 v/v) as the eluent.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05101048
Source datasetuspto-grants-1992_03
ORD IDord-416499616194444f888a6cad8972cf0f
Source noteuspto-grants-1992_03