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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2194083Generated: October 30, 2026

3,5-Dimethylisoxazole-4-sulfonyl chloride → 8-(3,5-Dimethyl-isoxazole-4-sulfonyl)-2-[4-(2,2,2-trifluoro-1-methyl-ethoxy)-phenyl]-2,8-diaza-spiro[4.5]decan-1-one

https://huagongshe.com/reaction/2194083

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,5-Dimethylisoxazole-4-sulfonyl chlorideHCID 2736319—
Reactant4-(2-Methoxy-ethyl)-piperidine-4-carboxylic acid ethyl esterHCID 56753969—
Reactant4-(2,2,2-Trifluoro-1-methyl-ethoxy)-anilineHCID 66277568—
Product8-(3,5-Dimethyl-isoxazole-4-sulfonyl)-2-[4-(2,2,2-trifluoro-1-methyl-ethoxy)-phenyl]-2,8-diaza-spiro[4.5]decan-1-oneHCID 49801357—

Reaction Steps

Light brown solid. MS (ESI): 502.16 (MH+). This example was prepared in analogy to example 1 step C) to D) from 4-(2-methoxy-ethyl)-piperidine-4-carboxylic acid ethyl ester (example 1 step B)), 3,5-dimethyl-isoxazole-4-sulfonyl chloride, 4-(2,2,2-trifluoro-1-methyl-ethoxy)-phenylamine.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08329904B2
Source datasetuspto-grants-2012_12
ORD IDord-87fd1eb9474046519ddf78293da70971
Source noteuspto-grants-2012_12