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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 266707Generated: October 30, 2026

Acetic Acid → HCID 54488685, compound

https://huagongshe.com/reaction/266707

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
ReactantMethyl acetoacetateHCID 7757—
ReactantPiperidineHCID 8082—
Reactant3-Chloro-4-(trifluoromethyl)benzaldehydeHCID 19031287—
SolventWaterHCID 962—
SolventDichloromethaneHCID 6344—
ProductHCID 54488685HCID 54488685—

Reaction Steps

32.3 g (155 mol) of 3-chloro-4-trifluoromethylbenzaldehyde and 18.0 g (155 mmol) of methyl acetoacetate are dissolved in 200 ml of methylene chloride, and 1.2 ml of piperidine and 1 ml of glacial acetic acid are added. The mixture is heated for 5 hours, using a water separator. It is then washed with water, dried over MgSO4 and concentrated. The product is recrystallized twice from methanol. 25.6 g (54% of theory) of the title compound are obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05652251
Source datasetuspto-grants-1997_07
ORD IDord-c1eb2cf0952d4468be77ee164877a79e
Source noteuspto-grants-1997_07