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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2116517Generated: November 1, 2026

tert-Butyl piperazine-1-carboxylate → HCID 69196293, compound

https://huagongshe.com/reaction/2116517

Reaction equation

Participants

RoleNameHCIDCharge
Reactanttert-Butyl piperazine-1-carboxylateHCID 143452—
Reactant2-(Dicyclohexylphosphino)-2'-(dimethylamino)biphenylHCID 2734217—
ReactantSodium t-butoxideHCID 23676156—
ReactantHCID 69195748HCID 69195748—
CatalystBis(dibenzylideneacetone)palladiumHCID 9811564—
SolventTolueneHCID 1140—
ProductHCID 69196293HCID 6919629339%

Reaction Conditions

Temperature150 °C

Reaction Steps

A stirred suspension of (3-chlorophenyl)(8-chloro-3-quinolinyl)methanone (D5)(0.63 g, 2.1 mmol), 1,1-dimethylethyl 1-piperazinecarboxylate (0.43 g, 2.3 mmol), tris(dibenzylideneacetone)dipalladium (0) (0.058 g, 0.064 mmol), 2-dicyclohexylphosphino-2′-(N,N-dimethylamino)biphenyl (0.074 g, 0.19 mmol) and sodium tert-butoxide (0.22 g, 2.3 mmol) in degassed toluene (3.5 ml) was heated in a sealed tube at 150° C. for 10 mins in a microwave oven. The cooled reaction mixture was washed with water (20 ml), dried (MgSO4) and concentrated in vacuo to an oil. The oil was purified by chromatography over silica gel eluting with a gradient of ethyl acetate/hexane to afford the title compound (D6) as a yellow foam (0.37 g, 0.81 mmol, 39%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07439243B2
Source datasetuspto-grants-2008_10
ORD IDord-c960b2a8cf534f5b981f39e8a5e8d3a3
Source noteuspto-grants-2008_10