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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 393727Generated: October 25, 2026

3,4-Dichlorobenzeneboronic acid → 4-[5-(3,4-Dichlorophenyl)pyrimidin-2-yl]piperazine-1-carboxylic acid tert-butyl ester

https://huagongshe.com/reaction/393727

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,4-Dichlorobenzeneboronic acidHCID 2734330—
Reactanttert-Butyl 4-(5-bromopyrimidin-2-yl)piperazine-1-carboxylateHCID 21914476—
ReactantTert-butyl 4-[5-(4-fluorophenyl)pyrimidin-2-yl]piperazine-1-carboxylateHCID 69850026—
Product4-[5-(3,4-Dichlorophenyl)pyrimidin-2-yl]piperazine-1-carboxylic acid tert-butyl esterHCID 6989498978%

Reaction Steps

Prepared according to the method for the preparation of 4-[5-(4-fluorophenyl)pyrimidin-2-yl]piperazine-1-carboxylic acid tert-butyl ester, from 4-(5-bromopyrimidin-2-yl)piperazine-1-carboxylic acid tert-butyl ester (1.00 g) and 3,4-dichlorobenzeneboronic acid (0.61 g), to yield the title compound as a white solid (0.93 g, 78%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06809100B2
Source datasetuspto-grants-2004_10
ORD IDord-affb49eec5644845ad3e55d479d56e0c
Source noteuspto-grants-2004_10