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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1637778Generated: October 31, 2026

Ethyl 4,4,4-trifluoroacetoacetate → HCID 178516148, compound

https://huagongshe.com/reaction/1637778

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl 4,4,4-trifluoroacetoacetateHCID 67793—
ReactantThioureaHCID 2723790—
ReactantSodium methanolate methanolHCID 23694274—
SolventEthanolHCID 702—
ProductHCID 178516148HCID 178516148—

Reaction Conditions

Temperature22 °C

Reaction Steps

To a solution of 25% NaOMe/MeOH (23 ml, 0.10 mol) and ethanol (27 ml) are added thiourea (5.33 g, 0.70 mol) and ethyl 4,4,4-trifluoroacetoacetate (7.3 ml, 50 mmol), then the reaction is heated to reflux for 16 hrs. The mixture is cooled to 22° C., concentrated in vacuo, and the residue dissolved in water (50 ml), acidified with HCl (7 ml), and filtered. The solid is collected, washed with water, and dried: 6.58 g (32.5 mmol, 65%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06043248
Source datasetuspto-grants-2000_03
ORD IDord-bf425fe683ba4095b658b1838b9ec98c
Source noteuspto-grants-2000_03