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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1935828Generated: October 31, 2026

Triethylamine → [4-(8-Ethyl-2,2,4,4-tetramethyl-chroman-6-ylethynyl) phenyl]acetic acid methyl ester

https://huagongshe.com/reaction/1935828

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantMethyl 4-IodophenylacetateHCID 10378700—
Reactant8-Ethyl-6-ethynyl-2,2,4,4-tetramethylchromanHCID 22569019—
CatalystCopper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)HCID 24350—
CatalystHCID 178418476HCID 178418476—
SolventTetrahydrofuranHCID 8028—
Product[4-(8-Ethyl-2,2,4,4-tetramethyl-chroman-6-ylethynyl) phenyl]acetic acid methyl esterHCID 69548054—

Reaction Steps

Following general procedure F and using 8-ethyl-6-ethynyl-2,2,4,4-tetramethylchroman (Intermediate 48, 0.033 g, 0.136 mmol), methyl-4-iodo phenyl acetate (Reagent B, 0.034 g, 0.12 mmol), triethyl amine (2 mL), tetrahydrofuran (2 mL), copper(I)iodide (0.025 g, 0.13 mmol) and dichlorobis(triphenylphosphine)palladium(II) (0.075 g, 0.11 mmol) the title compound was obtained (0.035 g, 73%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06387892B1
Source datasetuspto-grants-2002_05
ORD IDord-43302c8d93d540d6b14ca4ec1b1591a6
Source noteuspto-grants-2002_05