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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2240396Generated: October 29, 2026

Trifluoroacetic acid → spiro[indene-1,4'-piperidin]-3(2H)-one

https://huagongshe.com/reaction/2240396

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
ReactantTert-butyl 3-oxo-2,3-dihydrospiro[indene-1,4'-piperidine]-1'-carboxylateHCID 18673579—
Productspiro[indene-1,4'-piperidin]-3(2H)-oneHCID 18467061—

Reaction Steps

N-boc-1-[4-spiro-piperidine]-3-indanone and trifluoroacetic acid were processed according to the method of Example 137D to provide the product. No purification was required. MS (ESI+) m/z 202 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07723367B2
Source datasetuspto-grants-2010_05
ORD IDord-5727a019f1ed40ef8146731beed4a457
Source noteuspto-grants-2010_05