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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2064069Generated: October 30, 2026

Ethyl Acetate → HCID 57423913, compound

https://huagongshe.com/reaction/2064069

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl AcetateHCID 8857—
ReactantSodium t-butoxideHCID 23676156—
ReactantHCID 57423912HCID 57423912—
CatalystFerrocene-1,1'-bis-(diphenylphosphine)HCID 635956—
CatalystBis(dibenzylideneacetone)palladiumHCID 9811564—
Solvent1,4-DioxaneHCID 31275—
ProductHCID 57423913HCID 57423913—

Reaction Conditions

Temperature90 °C

Reaction Steps

A solution of tris(dibenzylideneacetone)dipalladium (0) (0.14 g), 1,1′-bis(diphenylphosphino)ferrocene (0.07 g), sodium tert-butoxide (0.4 g) in 1,4-dioxane (10 mL) was stirred under an atmosphere of argon for 10 minutes. 1,1-dimethylethyl 4-[({[2-bromo-4-(1-methylethyl)phenyl]amino}carbonyl)amino]-1-piperidinecarboxylate D33 (2.7 g) was added and the mixture was heated to 90° C. The mixture was stirred at this temperature overnight. The mixture was poured into ethyl acetate which was washed with dilute sodium bicarbonate, brine and dried over sodium sulphate. The solvent was removed and the residue was chromatographed on silica gel eluted with ethyl acetate/hexane 0-50% to give the title compound as a solid. (0.723 g)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08288413B2
Source datasetuspto-grants-2012_10
ORD IDord-3e19aa4c88d84d2cbb3c8a492a3ba132
Source noteuspto-grants-2012_10