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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1407067Generated: October 26, 2026

Acetylacetone → HCID 178468324, compound

https://huagongshe.com/reaction/1407067

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetylacetoneHCID 31261—
ReactantSodium AcetateHCID 517045—
Reactant2-(Difluoromethoxy)anilineHCID 934620—
ReactantSodium NitriteHCID 23668193—
SolventAcetic AcidHCID 176—
SolventHydrochloric AcidHCID 313—
SolventEthanolHCID 702—
SolventWaterHCID 962—
ProductHCID 178468324HCID 17846832494.1%

Reaction Conditions

Temperature0 °C

Reaction Steps

To a solution of 2-(difluoromethoxy)aniline (1000 mg, 6.25 mmol) in 15 mL of acetic acid and 2.5 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-{[2-(difluoromethoxy)phenyl]hydrazono}pentane-2,4-dione (1590 mg, 94%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08916566B2
Source datasetuspto-grants-2014_12
ORD IDord-1a5b23f14fbf4e4ba58f8efaaffeee67
Source noteuspto-grants-2014_12