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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1501766Generated: October 26, 2026

Tert-butyl 3-oxo-2,8-diazaspiro[4.5]decane-8-carboxylate → 2-(5-Oxo-2,5-dihydrofuran-3-yl)-2,8-diazaspiro[4.5]decan-3-one

https://huagongshe.com/reaction/1501766

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTert-butyl 3-oxo-2,8-diazaspiro[4.5]decane-8-carboxylateHCID 10015184—
Reactant4-Methyl-5-oxo-2,5-dihydrofuran-3-yl trifluoromethanesulfonateHCID 10890188—
ReactantHCID 86709456HCID 86709456—
Product2-(5-Oxo-2,5-dihydrofuran-3-yl)-2,8-diazaspiro[4.5]decan-3-oneHCID 86709454—

Reaction Steps

The title compound was prepared from 3-oxo-2,8-diaza-spiro[4,5]decane-8-carboxylic acid tert-butyl ester and 4-methyl-5-oxo-2,5-dihydrofuran-3-yl trifluoromethanesulfonate in two steps in an analogous fashion to that described for 2-(4-Methyl-5-oxo-2,5-dihydrofuran-3-yl)-2,9-diazaspiro[5.5]undecan-1-one (I-19) above.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09206198B2
Source datasetuspto-grants-2015_12
ORD IDord-66d34e48c2484fd8914f7c7fc680188d
Source noteuspto-grants-2015_12