Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1848489Generated: October 30, 2026

Trifluoroacetic acid → 2-(5-Oxo-2,5-dihydrofuran-3-yl)-2,8-diazaspiro[4.5]dec-3-en-1-one

https://huagongshe.com/reaction/1848489

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactanttert-Butyl 1-oxo-2-(5-oxo-2,5-dihydrofuran-3-yl)-2,8-diazaspiro[4.5]dec-3-ene-8-carboxylateHCID 86709499—
Product2-(5-Oxo-2,5-dihydrofuran-3-yl)-2,8-diazaspiro[4.5]dec-3-en-1-oneHCID 86709500—

Reaction Steps

The title compound was prepared from tert-Butyl 1-oxo-2-(5-oxo-2,5-dihydrofuran-3-yl)-2,8-diazaspiro[4.5]dec-3-ene-8-carboxylate using TFA in an analogous fashion to that described for 1-19, Step B. LC/MS: [(M+1)]+=235

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08952166B2
Source datasetuspto-grants-2015_02
ORD IDord-9490b65a31c84700ac80aa6f91cf699b
Source noteuspto-grants-2015_02