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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2194073Generated: October 30, 2026

1-Propanesulfonyl chloride, 2-methyl- → 8-(2-Methyl-propane-1-sulfonyl)-2-[4-(2,2,2-trifluoro-1-methyl-ethoxy)-phenyl]-2,8-diaza-spiro[4.5]decan-1-one

https://huagongshe.com/reaction/2194073

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Propanesulfonyl chloride, 2-methyl-HCID 182236—
Reactant4-(2-Methoxy-ethyl)-piperidine-4-carboxylic acid ethyl esterHCID 56753969—
Reactant4-(2,2,2-Trifluoro-1-methyl-ethoxy)-anilineHCID 66277568—
Product8-(2-Methyl-propane-1-sulfonyl)-2-[4-(2,2,2-trifluoro-1-methyl-ethoxy)-phenyl]-2,8-diaza-spiro[4.5]decan-1-oneHCID 49800779—

Reaction Steps

Off-white solid. MS (ESI): 463.18 (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)), 2-methyl-propane-1-sulfonyl chloride, 4-(2,2,2-trifluoro-1-methyl-ethoxy)-aniline.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08329904B2
Source datasetuspto-grants-2012_12
ORD IDord-44074f0620dc4546aa8b180ad77c4c9a
Source noteuspto-grants-2012_12