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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 436384Generated: October 25, 2026

Hydrazine → 4-Chlorobenzoin hydrazone

https://huagongshe.com/reaction/436384

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazineHCID 9321—
Reactant1-(4-Chlorophenyl)-2-phenyl-1,2-ethanedioneHCID 89801—
SolventEthanolHCID 702—
Product4-Chlorobenzoin hydrazoneHCID 8673450262.8%

Reaction Steps

To a solution of 3.5 g 4-chlorobenzil in 15 ml ethanol is added 0.45 g anhydrous hydrazine. The solution is refluxed for 1 hour, filtered and water added to the cloud point, and allowed to crystallize yielding 2.3 g of 4-chlorobenzoin hydrazone.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04009022
Source datasetuspto-grants-1977_02
ORD IDord-cf6784566b12447d879fe85032a22105
Source noteuspto-grants-1977_02