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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1389930Generated: October 25, 2026

Benzaldehyde → alpha-[(2,4,5-Trichlorophenyl)amino]benzeneacetonitrile

https://huagongshe.com/reaction/1389930

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzaldehydeHCID 240—
ReactantPotassium CyanideHCID 9032—
Reactant2,4,5-TrichloroanilineHCID 12487—
CatalystZincchlorideHCID 3007855—
SolventWaterHCID 962—
Productalpha-[(2,4,5-Trichlorophenyl)amino]benzeneacetonitrileHCID 20296018—

Reaction Conditions

Temperature50 °C

Reaction Steps

To a stirred mixture of 53 parts of benzaldehyde in 820 parts of water are added successively 78.6 parts of 2,4,5-trichlorobenzenamine, 81.8 parts of zinc chloride and 32.6 parts of potassium cyanide and the whole is stirred for 18 hours at 50° C. The reaction mixture is cooled to room temperature. The precipitated product is filtered off, triturated in 1000 parts of water, filtered off again and dissolved in 750 parts of trichloromethane. The solution is washed twice with water, dried, filtered and evaporated. The solid residue is triturated in petroleum ether, filtered off again and dried, yielding 83.1 parts of α-[(2,4,5-trichlorophenyl)amino]benzeneacetonitrile; mp. 123.7° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04246429
Source datasetuspto-grants-1981_01
ORD IDord-d1698bafec5a4e2fb43185c9e8bd4d09
Source noteuspto-grants-1981_01