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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1018999Generated: November 4, 2026

Piperazine → HCID 18399724, compound

https://huagongshe.com/reaction/1018999

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperazineHCID 4837—
ReactantHCID 18399758HCID 18399758—
SolventEthanolHCID 702—
ProductHCID 18399724HCID 18399724—

Reaction Steps

A solution of 4.5 g of 1-benzyl-4-bromo-1H-pyrrolo[3,2-c]pyridine in 25 ml of anhydrous ethanol and 8 g of piperazine are stirred at 120° C. for 15 hours under an inert atmosphere, then brought to ambient temperature and concentrated under reduced pressure. The residue is taken up in 200 ml of dichloromethane and washed with water. The organic phase is treated in conventional manner and then concentrated, enabling the expected product to be isolated.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06486171B2
Source datasetuspto-grants-2002_11
ORD IDord-ab18189ee325450aa7c272b81bb0f822
Source noteuspto-grants-2002_11