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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2198879Generated: November 1, 2026

Hydroxyamine hydrochloride → HCID 13051039, compound

https://huagongshe.com/reaction/2198879

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydroxyamine hydrochlorideHCID 443297—
ReactantSodium FormateHCID 2723810—
Reactant9-hydroxy-1-oxo-1H-naphtho[2,1-b]pyran-2-carboxaldehyde acetateHCID 86737239—
SolventFormic AcidHCID 284—
ProductHCID 13051039HCID 13051039—

Reaction Steps

A mixture of 9-hydroxy-1-oxo-1H-naphtho[2,1-b]pyran-2-carboxaldehyde acetate (1 mm), hydroxylamine hydrochloride (1.3 mm) and sodium formate (2 mm) is refluxed for 30 hrs. in formic acid (3 parts). The product crystallize on cooling, is filtered and washed with acetone. The dry crystals are light beige, m.p. 289°-92° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04360527
Source datasetuspto-grants-1982_11
ORD IDord-bbce72682f734bff83cbbca6cc5a4c17
Source noteuspto-grants-1982_11