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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 337836Generated: October 30, 2026

Trifluoroacetic acid → 2,5-Difluoro-4-{[(1R,2S)-2-(1-methyl-1H-pyrazol-5-yl)cyclopentyl]oxy}-N-(pyrimidin-4-yl)benzenesulfonamide

https://huagongshe.com/reaction/337836

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
ReactantTriethylsilaneHCID 12052—
ReactantN-(2,4-Dimethoxybenzyl)-2,5-difluoro-4-{[(1R,2S)-2-(l-methyl-1H-pyrazol-5-yl)cyclopentyl]oxy}-N-(pyrimidin-4-yl)benzenesulfonamideHCID 89963477—
SolventDichloromethaneHCID 6344—
Product2,5-Difluoro-4-{[(1R,2S)-2-(1-methyl-1H-pyrazol-5-yl)cyclopentyl]oxy}-N-(pyrimidin-4-yl)benzenesulfonamideHCID 8996328274.2%

Reaction Steps

The reaction and aftertreatment were conducted in the same manner as in Example 1b by using the N-(2,4-dimethoxybenzyl)-2,5-difluoro-4-{[(1R,2S)-2-(1-methyl-1H-pyrazol-5-yl)cyclopentyl]oxy}-N-(pyrimidin-4-yl)benzenesulfonamide (436 mg, 0.74 mmol) prepared in Example 78a, triethylsilane (0.20 mL), trifluoroacetic acid (2.0 mL) and dichloromethane (2.0 mL), to yield the title compound (239 mg, 74%) as a colorless solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08889741B2
Source datasetuspto-grants-2014_11
ORD IDord-f59a86f83e974e37a50c24ee7b968fea
Source noteuspto-grants-2014_11