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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2781Generated: October 26, 2026

5-Pyridin-3-yl-thiophene-2-sulfonyl chloride → 5-Pyridin-3-yl-thiophene-2-sulfonic acid [1-(5-cyano-2-fluoro-benzyl)-2-oxo-pyrrolidin-3-(S)-yl]-amide

https://huagongshe.com/reaction/2781

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Pyridin-3-yl-thiophene-2-sulfonyl chlorideHCID 10658976—
Reactant3-(S)-[(3-amino-2-oxo-pyrrolidin-1-yl)-methyl]-4-fluoro-benzonitrile hydrochlorideHCID 22883627—
Product5-Pyridin-3-yl-thiophene-2-sulfonic acid [1-(5-cyano-2-fluoro-benzyl)-2-oxo-pyrrolidin-3-(S)-yl]-amideHCID 10742450—

Reaction Steps

The title compound is prepared from 3-(S)-[(3-amino-2-oxo-pyrrolidin-1-yl)-methyl]-4-fluoro-benzonitrile hydrochloride as described in EXAMPLE 17, Part G substituting 5-pyridin-3-yl-thiophene-2-sulfonyl chloride in place of 4,6-dichlorobenzo[b]thiophene-2-sulfonyl chloride. The crude product is triturated with Et2O to give the title compound as a white solid

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05731315
Source datasetuspto-grants-1998_03
ORD IDord-806352f5d1f24257a0c79e1cedfd6e4a
Source noteuspto-grants-1998_03