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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1444146Generated: October 27, 2026

2-Methylpiperazine, (R)- → HCID 11500246, compound

https://huagongshe.com/reaction/1444146

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Methylpiperazine, (R)-HCID 7330434—
Reactant2,5-Dibromo-3-chloropyridineHCID 12630983—
SolventDimethylacetamideHCID 31374—
ProductHCID 11500246HCID 11500246—

Reaction Steps

Heat a solution of 2,5-dibromo-3-chloro-pyridine (Chontech Inc.) (2.0 g) and (R)-2-methyl-piperazine (3.2 g, 31.9 mmol) in DMA at 130° C. for 16 h. Partition the reaction mixture between water and EtOAc. Wash the EtOAc layer with water (1×) and brine (1×), dry (Na2SO4) and concentrate under reduced pressure to give the title compound as a solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07662830B2
Source datasetuspto-grants-2010_02
ORD IDord-4cdb5ce9c4834a9cb024279900df586d
Source noteuspto-grants-2010_02