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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1354613Generated: October 29, 2026

Tris(1,1-dimethylethyl)phosphine → 1-[4-(4-Amino-3-methyl-5-nitro-phenyl)-piperazin-1-yl]-ethanone

https://huagongshe.com/reaction/1354613

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTris(1,1-dimethylethyl)phosphineHCID 83681—
Reactant1-AcetylpiperazineHCID 83795—
Reactant4-Bromo-2-methyl-6-nitroanilineHCID 522679—
ReactantSodium t-butoxideHCID 23676156—
Catalystpalladium(II) acetateHCID 167845—
SolventTolueneHCID 1140—
Product1-[4-(4-Amino-3-methyl-5-nitro-phenyl)-piperazin-1-yl]-ethanoneHCID 22021054—

Reaction Steps

A mixture of 4-bromo-2-methyl-6-nitro-phenylamine (5 g, 21.64 mmol), 1-acetylpiperazine (4.2 g, 32.46 mmol), palladium acetate (244 mg, 1.08 mmol), tri-tert-butylphosphine (440 mg, 2.16 mmol) and sodium tert-butoxide (4.2 g, 43.29 mmol) in toluene (70 mL) was heated to

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07223757B2
Source datasetuspto-grants-2007_05
ORD IDord-d0286ff1feee47eaaf2c67cbf4064161
Source noteuspto-grants-2007_05