Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1761434Generated: October 25, 2026

Cyclopentane-1,1-diacetic anhydride → 8-Hydroxy-8-azaspiro[4.5]decane-7,9-dione

https://huagongshe.com/reaction/1761434

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCyclopentane-1,1-diacetic anhydrideHCID 79743—
ReactantHydroxyamine hydrochlorideHCID 443297—
SolventPyridineHCID 1049—
Product8-Hydroxy-8-azaspiro[4.5]decane-7,9-dioneHCID 14280582—

Reaction Steps

A solution of 8-oxaspiro[4.5]decan-7,9-dione (5.0 g) and hydroxylamine hydrochloride (2.1 g) in 75 ml of anhydrous pyridine was heated to 80° C. with stirring under N2.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04826846
Source datasetuspto-grants-1989_05
ORD IDord-9b35111e0739403790f35b6f39432f2a
Source noteuspto-grants-1989_05