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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1805430Generated: October 28, 2026

Acetylacetone → HCID 178468356, compound

https://huagongshe.com/reaction/1805430

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetylacetoneHCID 31261—
ReactantSodium AcetateHCID 517045—
Reactant4-(Difluoromethoxy)anilineHCID 737363—
ReactantSodium NitriteHCID 23668193—
SolventAcetic AcidHCID 176—
SolventHydrochloric AcidHCID 313—
SolventEthanolHCID 702—
SolventWaterHCID 962—
ProductHCID 178468356HCID 17846835682.9%

Reaction Conditions

Temperature0 °C

Reaction Steps

To a solution of 4-(difluoromethoxy)aniline (1000 mg, 6.25 mmol) in 10 mL of acetic acid and 2 mL of concentrated hydrochloride solution, sodium nitrite (518 mg, 7.50 mmol) in 4 mL of water was added dropwise at 0° C., and the mixture was stirred at 0° C. for 1 h. Then to the reaction mixture was added dropwise a solution of sodium acetate (1538 mg, 18.75 mmol) and acetylacetone (812 mg, 8.12 mmol) in 10 mL of ethanol and 6 mL of water. The mixture was stirred at room temperature overnight, filtered, washed with water, EtOH/H2O (1:1) and hexane, and dried to give 3-{[4-(difluoromethoxy)phenyl]hydrazono}pentane-2,4-dione (1400 mg, yield 82%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08354411B2
Source datasetuspto-grants-2013_01
ORD IDord-bc44817cd7414214b93bedd51a0ee56e
Source noteuspto-grants-2013_01