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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2180494Generated: October 30, 2026

Triethyl 2-fluoro-2-phosphonoacetate → ethyl (2E)-3-(7-butoxy-4-isopropyl-2,2-dimethyl-2H-chromen-6-yl)-2-fluoro-but-2-enoate

https://huagongshe.com/reaction/2180494

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethyl 2-fluoro-2-phosphonoacetateHCID 2734865—
Reactant1-(7-Butoxy-4-isopropyl-2,2-dimethyl-2H-chromen-6-yl)-ethanoneHCID 22490969—
Productethyl (2E)-3-(7-butoxy-4-isopropyl-2,2-dimethyl-2H-chromen-6-yl)-2-fluoro-but-2-enoateHCID 86597833—

Reaction Steps

Following General Procedure K, triethyl-2-fluoro-2-phosphonoacetate (0.44 mL, 1.75 mmol) and 1-(7-butoxy-4-isopropyl-2,2-dimethyl-2H-chromen-6-yl)-ethanone (Compound 65, 184 mg, 0.58 mmol) were reacted to give the title compound as a pink oil after purification by flash chromatography (silica gel, 1:9 ethyl acetate/hexane).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06887896B1
Source datasetuspto-grants-2005_05
ORD IDord-395a0a395ed940b5bce528dde7887eb6
Source noteuspto-grants-2005_05