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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 279033Generated: October 30, 2026

Water → HCID 178519900, compound

https://huagongshe.com/reaction/279033

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantBromineHCID 24408—
ReactantHCID 22623976HCID 22623976—
Solvent1,4-DioxaneHCID 31275—
ProductHCID 178519900HCID 17851990084.8%

Reaction Steps

To a suspension of 360 mg (1.33 mmol) of 5-hydroxy-11H-8,10-dioxa-5-aza-benzo[de]anthracene-4,6-dione (from Example 45) in 20 mL dioxane was added 0.36 mL (6.98 mmol) of bromine. The reaction mixture was refluxed for 1 hour and poured into 150 mL water. The precipitate was isolated and dried to yield 290 mg of the title compound, mp 237-253° C. (dec.)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06362181B1
Source datasetuspto-grants-2002_03
ORD IDord-45bb50babed84bc0896caeaa0d5355d7
Source noteuspto-grants-2002_03