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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1050994Generated: November 1, 2026

Piperazine → 2-tert-Butyl-4-cyclobutyl-6-(piperazin-1-yl)pyrimidine

https://huagongshe.com/reaction/1050994

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperazineHCID 4837—
Reactant2-Tert-butyl-4-chloro-6-cyclobutyl-pyrimidineHCID 86095385—
SolventEthanolHCID 702—
Product2-tert-Butyl-4-cyclobutyl-6-(piperazin-1-yl)pyrimidineHCID 6667339087.4%

Reaction Steps

piperazine (7.54 g, 87.57 mmol) was dissolved in EtOH, 2-tert-butyl-4-chloro-6-cyclobutyl-pyrimidine (3.28 g, 14.60 mmol) was added dropwise at 80° C. over 10 min. The solution was refluxed overnight and then concentrated under reduced pressure. The residue was dissolved in EtOAc, washed with water and brine, dried over Na2SO4, filtered, and concentrated under reduced pressure to give the title compound (3.5 g, 87%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09388148B2
Source datasetuspto-grants-2016_07
ORD IDord-615836ecb1244901a809f946d354e025
Source noteuspto-grants-2016_07