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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1869983Generated: October 30, 2026

Triethylamine → 1-Methylethyl 3-[2-(trimethylsilyl)ethynyl]benzoate

https://huagongshe.com/reaction/1869983

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantEthyl AcetateHCID 8857—
ReactantTrimethylsilylacetyleneHCID 66111—
ReactantHCID 608316HCID 608316—
CatalystCopper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)HCID 24350—
CatalystHCID 178418476HCID 178418476—
SolventHexaneHCID 8058—
Product1-Methylethyl 3-[2-(trimethylsilyl)ethynyl]benzoateHCID 5742425994%

Reaction Steps

(Intermediate 135, 1.25 g, 5.14 mmol), triethyl amine (12 mL), copper(I)iodide (0.078 g, 0.41 mmol), trimethylsilyl acetylene (4 mL, 28.16 mmol) and dichlorobis(triphenylphosphine)palladium(II) (0.288 g, 0.41 mmol) followed by flash column chromatography over silica gel (230-400 mesh) using 3% ethyl acetate in hexane as the eluent, the title compound (1.25 g, 94%) was obtained as an orange oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07638648B2
Source datasetuspto-grants-2009_12
ORD IDord-e613e7c731574723a727520ef12a7b07
Source noteuspto-grants-2009_12