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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 40847Generated: October 25, 2026

Trifluoroacetic acid → 2-((R)-1-(piperidin-4-yl)ethylamino)-4-(1-tosyl-5-(trifluoromethyl)-1H-pyrrolo[2,3-b]pyridin-3-yl)pyrimidine-5-carbonitrile 2,2,2-trifluoroacetate

https://huagongshe.com/reaction/40847

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactanttert-butyl 4-((1R)-1-(5-cyano-4-(1-tosyl-5-(trifluoromethyl)-1H-pyrrolo[2,3-b]pyridin-3-yl)pyrimidin-2-ylamino)ethyl)piperidine-1-carboxylateHCID 59414400—
SolventDichloromethaneHCID 6344—
Product2-((R)-1-(piperidin-4-yl)ethylamino)-4-(1-tosyl-5-(trifluoromethyl)-1H-pyrrolo[2,3-b]pyridin-3-yl)pyrimidine-5-carbonitrile 2,2,2-trifluoroacetateHCID 8664359398%

Reaction Steps

Trifluoroacetic acid (2 mL, 25.96 mmol) was added to a solution of tert-butyl 4-((1R)-1-(5-cyano-4-(1-tosyl-5-(trifluoromethyl)-1H-pyrrolo[2,3-b]pyridin-3-yl)pyrimidin-2-ylamino)ethyl)piperidine-1-carboxylate (1.2 g, 1.79 mmol) in dichloromethane (25 mL) and the reaction mixture was stirred at room temperature for 1 hour. The crude mixture was concentrated to dryness to give the title compound as a white solid (1.021 g, 98% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08530489B2
Source datasetuspto-grants-2013_09
ORD IDord-61e510b7f54c485caf2d04bb84440342
Source noteuspto-grants-2013_09