Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 437523Generated: October 25, 2026

Hydrochloric Acid → 1-(4-Chlorobenzoyl)-2-(4-aminophenyl)hydrazine hydrochloride

https://huagongshe.com/reaction/437523

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantBarium SulfateHCID 24414—
Reactant4-Chlorobenzoic N2-(4-nitrophenyl)hydrazideHCID 3106534—
ReactantHCID 178418361HCID 178418361—
CatalystPalladiumHCID 23938—
SolventEthanolHCID 702—
Product1-(4-Chlorobenzoyl)-2-(4-aminophenyl)hydrazine hydrochlorideHCID 21427826—

Reaction Steps

1-(4-Chlorobenzoyl)-2-(4-nitrophenyl)hydrazine (2.92g, 0.01 mole) and 5% palladium or barium sulfate (catalytic amount) were suspended in a mixture of ethanol (350 ml) and concentrated hydrochloric acid (5 ml) in a Parr shaker bottle. The reaction mixture was hydrogenated at room temperature until the theoretical amount of hydrogen had been taken up. The reaction mixture was filtered and the solvent was evaporated from the filtrate leaving a tan solid. Yield 2.9 g (99%), m.p. 209° C (dec.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04031127
Source datasetuspto-grants-1977_06
ORD IDord-44b258b34af04effa8513e253e8260b9
Source noteuspto-grants-1977_06