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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 619860Generated: November 1, 2026

Methyl iodide → 5-Chloro-3-methylbenzo[b]thiophene-2-sulfonic acid [1-(2-cyanopyridin-4-ylmethyl)-2-oxopyrrolidin-3-(S)-yl]-methylamide

https://huagongshe.com/reaction/619860

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethyl iodideHCID 6328—
Reactant5-Chloro-3-methylbenzo[b]thiophene-2-sulfonic acid [1-(2-cyanopyridin-4-ylmethyl)-2-oxopyrrolidin-3-(S)-yl]amideHCID 54471872—
Product5-Chloro-3-methylbenzo[b]thiophene-2-sulfonic acid [1-(2-cyanopyridin-4-ylmethyl)-2-oxopyrrolidin-3-(S)-yl]-methylamideHCID 18392445—

Reaction Steps

The title compound is prepared from 5-chloro-3-methylbenzo[b]thiophene-2-sulfonic acid [1-(2-cyanopyridin-4-ylmethyl)-2-oxopyrrolidin-3-(S)-yl]amide as described in EXAMPLE 141, Part D using methyl iodide in place of benzyl bromide. The crude product is purified by column chromatography eluting with gradient of 10% EtOAc/CH2Cl2 to 25% EtOAc/CH2Cl2 to afford the title compound as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05958918
Source datasetuspto-grants-1999_09
ORD IDord-11722d8a4469481eae3e337e42b89d2a
Source noteuspto-grants-1999_09