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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2194101Generated: October 30, 2026

2-Chlorobenzenesulfonyl chloride → 8-(2-Chloro-benzenesulfonyl)-2-[6-(2,2,2-trifluoro-ethoxy)-pyridin-3-yl]-2,8-diaza-spiro[4.5]decan-1-one

https://huagongshe.com/reaction/2194101

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Chlorobenzenesulfonyl chlorideHCID 76187—
Reactant6-(2,2,2-Trifluoroethoxy)pyridin-3-amineHCID 543156—
Reactant4-(2-Methoxy-ethyl)-piperidine-4-carboxylic acid ethyl esterHCID 56753969—
Product8-(2-Chloro-benzenesulfonyl)-2-[6-(2,2,2-trifluoro-ethoxy)-pyridin-3-yl]-2,8-diaza-spiro[4.5]decan-1-oneHCID 59578094—

Reaction Steps

Off-white crystalline solid. MS (ESI): 504.1. (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-chlorobenzenesulfonyl chlorid and 6-(2,2,2-trifluoro-ethoxy)-pyridin-3-ylamine.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08329904B2
Source datasetuspto-grants-2012_12
ORD IDord-ccdedac9c18647d08f4ecf57a7370385
Source noteuspto-grants-2012_12