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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 721621Generated: October 28, 2026

4-Phenylpiperidine → HCID 21890209, compound

https://huagongshe.com/reaction/721621

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-PhenylpiperidineHCID 69873—
Reactant1-HydroxybenzotriazoleHCID 75771—
ReactantSodium BicarbonateHCID 516892—
Reactant1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 2723939—
ReactantHCID 21889996HCID 21889996—
SolventWaterHCID 962—
SolventChloroformHCID 6212—
ProductHCID 21890209HCID 2189020930%

Reaction Steps

2-{4-[(6,7-Dimethoxy-4-quinazolinyl)oxy]phenoxy}acetic acid (100 mg), WSC.HCl (81 mg), and HOBT.H2O (57 mg) were dissolved in chloroform (3 ml) to prepare a solution. 4-Phenylpiperidine (54 mg) was then added to the solution, and the mixture was stirred at room temperature overnight. A saturated aqueous sodium hydrogencarbonate solution was added to the reaction solution, and the mixture was extracted with chloroform. The extract was washed with saturated brine and was then dried over anhydrous sodium sulfate. The solvent was removed by distillation under the reduced pressure. The residue was purified by thin-layer chromatography using chloroform/methanol for development. Diethyl ether was added to the purification product, and the precipitated crystal was collected by filtration and was washed to give the title compound (42 mg, yield 30%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07135466B2
Source datasetuspto-grants-2006_11
ORD IDord-41b2cb8c73944d2d9e109918bd122b0c
Source noteuspto-grants-2006_11