Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2194229Generated: October 25, 2026

4-(Trifluoromethoxy)aniline → 2-(4-(Trifluoromethoxy)phenyl)-2,8-diazaspiro[4.5]decan-1-one

https://huagongshe.com/reaction/2194229

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-(Trifluoromethoxy)anilineHCID 600848—
ReactantDimethylalumanylium chlorideHCID 16686359—
Reactant4-(2-Methoxy-ethyl)-piperidine-1,4-dicarboxylic acid 1-tert-butyl ester 4-ethyl esterHCID 58287261—
SolventHexaneHCID 8058—
Product2-(4-(Trifluoromethoxy)phenyl)-2,8-diazaspiro[4.5]decan-1-oneHCID 66742759—

Reaction Steps

This material was prepared in analogy to example 1 step D) from 4-(2-methoxy-ethyl)-piperidine-1,4-dicarboxylic acid 1-tert-butyl ester 4-ethyl ester, dimethylaluminium chloride in hexane and 4-trifluoromethoxy-phenylamine, with concomitant cleavage of the Boc protecting group at the reaction conditions applied. MS (ESI): 315.2 (MH+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08329904B2
Source datasetuspto-grants-2012_12
ORD IDord-d86a8b5a938c4dc6986b255d4b1d64ac
Source noteuspto-grants-2012_12