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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1765799Generated: October 30, 2026

Triethylamine → (E)-3-(4-{3-[(Cyclopropyl-methyl-amino)-methyl]-phenylethynyl}phenyl)-acrylic acid methyl ester

https://huagongshe.com/reaction/1765799

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantEthyl AcetateHCID 8857—
ReactantCyclopropyl-(3-ethynyl-benzyl)-methyl-amineHCID 21107260—
Reactant3-(4-Hydroxy-phenyl)-acrylic acid benzyl esterHCID 56627505—
CatalystCopper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)HCID 24350—
CatalystHCID 178418476HCID 178418476—
SolventHexaneHCID 8058—
Product(E)-3-(4-{3-[(Cyclopropyl-methyl-amino)-methyl]-phenylethynyl}phenyl)-acrylic acid methyl esterHCID 57987781—

Reaction Steps

Following General Procedure B and using cyclopropyl-(3-ethynyl-benzyl)-methyl-amine (Intermediate 91, 0.060 g, 0.32 mmol), methyl-4-iodo-cinnamate (Reagent 4, 0.093 g, 0.32 mmol), triethyl amine (8 mL), copper(I)iodide (0.015 g, 0.08 mmol) and dichlorobis(triphenylphosphine)palladium(II) (0.056 g, 0.08 mmol) followed by flash column chromatography over silica gel (230–400 mesh) using 5–15% ethyl acetate in hexane as the eluent, the title compound was obtained (0.11 g, 100%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07226951B2
Source datasetuspto-grants-2007_06
ORD IDord-9559653274fd45a9aee827ee79c40288
Source noteuspto-grants-2007_06