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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1766660Generated: November 1, 2026

Hydrogen Bromide → HCID 21110584, compound

https://huagongshe.com/reaction/1766660

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrogen BromideHCID 260—
ReactantWaterHCID 962—
ReactantHCID 21110585HCID 21110585—
SolventAcetic AcidHCID 176—
ProductHCID 21110584HCID 2111058439.7%

Reaction Steps

To a solution of 6-[2-methoxy-5-(5-methyl-7-nitroindan-4-yloxy)benzyl]-2H-pyridazine-3-one (704 mg) in acetic acid (10 mL) was added hydrobromic acid (48%, 10 mL). The mixture was heated at reflux temperature under an argon atmosphere overnight. After adding water, the reaction mixture was extracted with dichloromethane. The organic layer was washed with water and brine successively, and dried over anhydrous magnesium sulfate. The solvent was removed under reduced pressure. The residue was crystallized from a small amount of ethyl acetate to give the title compound (270 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07230031B2
Source datasetuspto-grants-2007_06
ORD IDord-1807a29bd0164a02a89f0ed9f6d8f6db
Source noteuspto-grants-2007_06