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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2855Generated: October 26, 2026

Water → HCID 178418328, compound

https://huagongshe.com/reaction/2855

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantBenzenediazonium chlorideHCID 60992—
ReactantEthyl 4,4,4-trifluoroacetoacetateHCID 67793—
ReactantHCID 178418247HCID 178418247—
SolventEthanolHCID 702—
ProductHCID 178418328HCID 17841832860%

Reaction Steps

7.3 ml (0.05 mol) of ethyl 3-oxo-4,4,4-trifluoroacetoacetate, 6 g (0.073 mol) of CH3COONa, 20 ml of water, 37.5 ml of ethanol and a solution of 0.05 mol of phenyldiazonium chloride were treated as described in preparation 2. The crude product was purified by chromatography on silica gel (hexane/Et2O 0%→25%) obtaining 8.65 g of the title compound. M.p.=78°-80° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05731322
Source datasetuspto-grants-1998_03
ORD IDord-5378909b6f194efbaaaae9d5077f9d43
Source noteuspto-grants-1998_03