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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 841602Generated: October 30, 2026

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

https://huagongshe.com/reaction/841602

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantMethyl 4-IodophenylacetateHCID 10378700—
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-ylethynyl)phenyl]acetic acid methyl esterHCID 69547849—

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), methyl-4-iodo phenyl acetate (Reagent B, 0.094 g, 0.34 mmol), triethyl amine (3 mL), tetrahydrofuran (3 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 (0.137 g, 90%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06369261B1
Source datasetuspto-grants-2002_04
ORD IDord-e38a7d20489e480eafb7bfe1fa2fecbc
Source noteuspto-grants-2002_04