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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2194163Generated: October 26, 2026

1-Pyrrolidinesulfonyl chloride → 8-(Pyrrolidine-1-sulfonyl)-2-(4-trifluoromethoxy-phenyl)-2,8-diaza-spiro[4.5]decan-1-one

https://huagongshe.com/reaction/2194163

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Pyrrolidinesulfonyl chlorideHCID 6483902—
Reactant2-(4-Trifluoromethoxy-phenyl)-2,8-diaza-spiro[4.5]decan-1-one acetic acid saltHCID 66787333—
Product8-(Pyrrolidine-1-sulfonyl)-2-(4-trifluoromethoxy-phenyl)-2,8-diaza-spiro[4.5]decan-1-oneHCID 59578031—

Reaction Steps

The title compound was prepared in analogy to example 180 step D from 2-(4-trifluoromethoxy-phenyl)-2,8-diaza-spiro[4.5]decan-1-one acetic acid salt (described in example 180 step C) and pyrrolidine-1-sulfonyl chloride. Off-white solid. MS (ESI): 448.2 (MH+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08329904B2
Source datasetuspto-grants-2012_12
ORD IDord-1b4c872650194be2bb0e72ecff3a8a36
Source noteuspto-grants-2012_12