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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2251282Generated: November 2, 2026

tert-Butyl piperazine-1-carboxylate → HCID 69038776, compound

https://huagongshe.com/reaction/2251282

Reaction equation

Participants

RoleNameHCIDCharge
Reactanttert-Butyl piperazine-1-carboxylateHCID 143452—
Reactant3-Chloro-5-(trifluoromethyl)pyridazineHCID 59277297—
SolventEthyl AcetateHCID 8857—
SolventDimethylacetamideHCID 31374—
ProductHCID 69038776HCID 69038776100%

Reaction Conditions

Temperature100 °C

Reaction Steps

3-Chloro-5-trifluoromethyl-pyridazine (200 mg) was added to piperazine-1-carboxylic acid tert-butyl ester (231 mg) in dimethylacetamide (3 mL), and the reaction mixture was stirred at 100° C. for 3 hours. After such time, the reaction mixture was allowed to cool down to room temperature and diluted with ethyl acetate. The solid was filtered off and washed with ethyl acetate. The filtrate was then concentrated in vacuo and then purified by column chromatography (SiO2, Heptane/EtOAc) to yield the title compound as a white solid (364 mg). MS (m/e): 333.4 (M+H+, 100%)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07319099B2
Source datasetuspto-grants-2008_01
ORD IDord-1cc77fef99c94bbcab0f08f4b9ec051a
Source noteuspto-grants-2008_01