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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1425728Generated: October 27, 2026

1-(2-Pyrimidinyl)piperazine → 2-(4-(6-Chloro-5-phenylpyridazin-3-yl)piperazin-1-yl)pyrimidine

https://huagongshe.com/reaction/1425728

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-(2-Pyrimidinyl)piperazineHCID 88747—
Reactant3,6-Dichloro-4-phenylpyridazineHCID 11322080—
Product2-(4-(6-Chloro-5-phenylpyridazin-3-yl)piperazin-1-yl)pyrimidineHCID 8624212686.7%

Reaction Conditions

Temperature80 °C

Reaction Steps

A mixture of 3,6-dichloro-4-phenylpyridazine (1.35 g, 6 mmol), 1-(2-pyrimidyl)piperazine (1.2 g, 6.0 mmol) in 10 ml of 1-BuOH was heated with stirring at 80° C. for 12 h. The solvent was removed by evaporation in vacuo, the residue was treated with water to give a suspension. The solid was then filtered off, washed with water, dried over filter funnel in vacuo to give white solid (1.8 g, 5.2 mmol, yield 86.0%). ESI-MS: m/z 353.9.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08933076B2
Source datasetuspto-grants-2015_01
ORD IDord-3e7e9cefb59c4cfd93dc7ab3fcbd4efb
Source noteuspto-grants-2015_01