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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 330879Generated: October 30, 2026

HCID 86648151, compound → HCID 178518923, compound

https://huagongshe.com/reaction/330879

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHCID 86648151HCID 86648151—
SolventHydrogen BromideHCID 260—
ProductHCID 178518923HCID 178518923221.2%

Reaction Steps

15 g (6-chloro-4-piperazin-1-yl-pyridazin-3-yloxy)-ethanol fumarate are suspended in 90 ml hydrogen bromide (48%). The reaction mixture is stirred for 1 hour at reflux temperature and evaporated to dryness. 19 g product are obtained as the hydrobromide. M.p=35° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08877758B2
Source datasetuspto-grants-2014_11
ORD IDord-ce4a4757788943aa87474d14b9f07ee0
Source noteuspto-grants-2014_11