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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2185242Generated: October 31, 2026

Triethylamine → [4-(8-Cyclopropyl-2,2,4,4-tetramethyl-chroman-6-yl-ethvnyl)-2-fluorophenyl]acetic acid ethyl ester

https://huagongshe.com/reaction/2185242

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantEthyl 2-fluoro-4-iodophenylacetateHCID 18740710—
Reactant8-Cyclopropyl-6-ethynyl-2,2,4,4-tetramethylchromanHCID 22569006—
CatalystCopper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)HCID 24350—
CatalystHCID 178418476HCID 178418476—
SolventTetrahydrofuranHCID 8028—
Product[4-(8-Cyclopropyl-2,2,4,4-tetramethyl-chroman-6-yl-ethvnyl)-2-fluorophenyl]acetic acid ethyl esterHCID 69548621—

Reaction Steps

Following general procedure F and using 8-cyclopropyl-6-ethynyl-2,2,4,4-tetramethylchroman (Intermediate 34, 0.096 g, 0.38 mmol), ethyl-2-fluoro-4-iodo phenyl acetate (Reagent C, 0.104 g, 0.34 mmol), triethyl amine (3 mL), tetrahydrofuran (3 mL), copper(I)iodide (0.020 g, 0.1 mmol) and dichlorobis(triphenylphosphine)palladium(II) (0.060 g, 0.085 mmol) the title compound was obtained (0.14 g, 85%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06399774B1
Source datasetuspto-grants-2002_06
ORD IDord-f0bfbac6d190418abe9e4f6d0961e7c1
Source noteuspto-grants-2002_06