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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2767Generated: October 26, 2026

5-Chlorothieno[3,2-b]pyridine-2-sulfonyl chloride → 5-Chlorothieno[3,2-b]pyridine-2-sulfonic acid [1-(5-cyanothiophen-3-ylmethyl)-2-oxo-pyrrolidin-3-(S)-yl]-amide

https://huagongshe.com/reaction/2767

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Chlorothieno[3,2-b]pyridine-2-sulfonyl chlorideHCID 22017299—
Reactant4-(3-(S)-amino-2-oxo-pyrrolidin-1-ylmethyl)-thiophene-2carbonitrile hydrochlorideHCID 22883629—
Product5-Chlorothieno[3,2-b]pyridine-2-sulfonic acid [1-(5-cyanothiophen-3-ylmethyl)-2-oxo-pyrrolidin-3-(S)-yl]-amideHCID 54379487—

Reaction Steps

The title compound is prepared from 4-(3-(S)-amino-2-oxo-pyrrolidin-1-ylmethyl)-thiophene-2carbonitrile hydrochloride as described in EXAMPLE 1, Part E using 5-chlorothieno[3,2-b]pyridine-2-sulfonyl chloride in place of benzo[b]thiophene-2-sulfonyl chloride. The product is triturated with Et2O/CH2Cl2 /hexanes to give a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05731315
Source datasetuspto-grants-1998_03
ORD IDord-394fa6eeedf64e31a0dbc91c22f2c1e3
Source noteuspto-grants-1998_03