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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 51691Generated: October 29, 2026

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

https://huagongshe.com/reaction/51691

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 numberUS06713647B2
Source datasetuspto-grants-2004_03
ORD IDord-e1fbf06b34fe46dbaa8ed7c3e5ae63c5
Source noteuspto-grants-2004_03