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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 558588Generated: October 29, 2026

Ethyl difluoroacetate → 1,3-Butanedione, 1-(3-ethoxyphenyl)-4,4-difluoro-

https://huagongshe.com/reaction/558588

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl difluoroacetateHCID 9961—
Reactant1-(3-Ethoxyphenyl)ethanoneHCID 3770250—
Product1,3-Butanedione, 1-(3-ethoxyphenyl)-4,4-difluoro-HCID 86608012112.1%

Reaction Steps

Prepared from commercially available ethyl difluoroacetate (16.0 g, 129 mmol) and 3-ethoxyacetophenone (example C.19 step 1) (14.5 g, 88 mmol) as described in example C.1 step 1 to give the title compound (23.90 g, 112%) as a light red oil. MS (ISN) 241.0 [(M−H)−].

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08063048B2
Source datasetuspto-grants-2011_11
ORD IDord-666c488e512b4564a83ddaed78503299
Source noteuspto-grants-2011_11