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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 517590Generated: November 2, 2026

4-Cyanobenzoic acid → HCID 71697354, compound

https://huagongshe.com/reaction/517590

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Cyanobenzoic acidHCID 12087—
ReactantDiisopropylethylamineHCID 81531—
Reactant(Z)-3-(2-aminoethyl)-5-(4-ethoxybenzylidene)thiazolidine-2,4-dioneHCID 1249836—
ReactantMethanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 2733084—
SolventDimethylformamideHCID 6228—
SolventEthyl AcetateHCID 8857—
ProductHCID 71697354HCID 7169735492.1%

Reaction Steps

To a solution of 4-cyanobenzoic acid (46 mg, 0.31 mmol) in 3 mL of DMF was added DIPEA (131 μL, 0.75 mmol) followed by HBTU (114 mg, 0.30 mmol). After being stirred at room temperature for 1 h, compound 76 (101 mg, 0.25 mmol) was added and then the reaction mixture was stirred at room temperature overnight. The reaction solution was diluted with 50 mL of ethyl acetate and washed with water (30 mL×5), collected the organic layer, dried over Na2SO4, filtered, concentrated and purified by silica column chromatography (15% ethyl acetate in hexanes) to afford 97 mg (92.1%) of the title compound 25d as a light-yellow solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09115122B2
Source datasetuspto-grants-2015_08
ORD IDord-0c635c75a3f4491f93ce82daa957a13d
Source noteuspto-grants-2015_08