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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2368506Generated: November 1, 2026

Diisopropylamine → Ethyl 1-(4-fluorophenyl)-2-((2-(trifluoromethyl)phenyl)ethynyl)-1H-imidazole-5-carboxylate

https://huagongshe.com/reaction/2368506

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylamineHCID 7912—
Reactant1-Ethynyl-2-(trifluoromethyl)benzeneHCID 4100856—
Reactantethyl 1-(4-fluorophenyl)-2-iodo-1H-imidazole-5-carboxylateHCID 71117744—
Reactantethyl 2-((2-chloro-6-fluorophenyl)ethynyl)-1-(4-fluorophenyl)-1H-imidazole-5-carboxylateHCID 71119630—
CatalystCopper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)HCID 24350—
CatalystHCID 178418476HCID 178418476—
SolventTetrahydrofuranHCID 8028—
ProductEthyl 1-(4-fluorophenyl)-2-((2-(trifluoromethyl)phenyl)ethynyl)-1H-imidazole-5-carboxylateHCID 71117657—

Reaction Steps

Ethyl 1-(4-fluorophenyl)-2-((2-(trifluoromethyl)phenyl)ethynyl)-1H-imidazole-5-carboxylate (46) was prepared in a similar manner as that described for the synthesis of compound 42 using ethyl 1-(4-fluorophenyl)-2-iodo-1H-imidazole-5-carboxylate (38) (900 mg, 2.5 mmol), 1-ethynyl-2-(trifluoromethyl)benzene (0.42 mL, 3.0 mmol), PdCl2(PPh3)2 (88 mg, 0.13 mmol), copper (I) iodide (23 mg, 0.13 mmol), diisopropyl amine (7 mL), and THF (50 mL).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08703776B2
Source datasetuspto-grants-2014_04
ORD IDord-93a1d828a72848ffb78bbdd6e2b7b112
Source noteuspto-grants-2014_04