Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 715813Generated: October 28, 2026

Tert-butyl 4-(2-hydroxyethyl)piperazine-1-carboxylate → HCID 68264555, compound

https://huagongshe.com/reaction/715813

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTert-butyl 4-(2-hydroxyethyl)piperazine-1-carboxylateHCID 735736—
Reactant4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazoleHCID 2774010—
ReactantCyanomethylenetributylphosphoraneHCID 4622928—
SolventTolueneHCID 1140—
ProductHCID 68264555HCID 68264555—

Reaction Steps

4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (0.500 g, 2.58 mmol), tert-butyl 4-(2-hydroxyethyl)piperazine-1-carboxylate (0.593 g, 2.58 mmol) and 2-(tributylphosphoranylidene)acetonitrile (0.746 g, 3.09 mmol) were stirred together in toluene (10 ml) at 85° C. overnight. The reaction was concentrated and purified by normal phase chromatography to give the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09187472B2
Source datasetuspto-grants-2015_11
ORD IDord-ac557348b7db4883ad2a122514d6e793
Source noteuspto-grants-2015_11