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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 278991Generated: November 1, 2026

Hydroxyamine hydrochloride → HCID 23717184, compound

https://huagongshe.com/reaction/278991

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydroxyamine hydrochlorideHCID 443297—
ReactantPotassium 1,3-dioxo-1H,3H-naphtho(1,8-cd)pyran-6-sulphonateHCID 16211743—
SolventPyridineHCID 1049—
ProductHCID 23717184HCID 23717184102.2%

Reaction Steps

4-Sulfo-1,8-naphthalic anhydride potassium salt (2.0 g, 6.2 mmol) and hydroxylamine hydrochloride (0.9 g, 12.4 mmol) were reacted in pyridine (50 mL) following the procedure of Example 1. The solids formed were filtered, washed with ethanol, and dried to give 2.1 g of the title compound, mp >380° C.;

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06362181B1
Source datasetuspto-grants-2002_03
ORD IDord-cd42c18a62194bb296579b8b2afa8e25
Source noteuspto-grants-2002_03