Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 79618Generated: October 29, 2026

Trifluoroacetic acid → N-(4-(4-(3-aminopropanoyl)piperazin-1-yl)-5-bromo-1H-pyrrolo[2,3-b]pyri din-3-yl)nicotinamide

https://huagongshe.com/reaction/79618

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
ReactantHCID 68764850HCID 68764850—
SolventDichloromethaneHCID 6344—
ProductN-(4-(4-(3-aminopropanoyl)piperazin-1-yl)-5-bromo-1H-pyrrolo[2,3-b]pyri din-3-yl)nicotinamideHCID 4419812490.7%

Reaction Steps

tert-Butyl 3-(4-(5-bromo-3-(nicotinamido)-1H-pyrrolo[2,3-b]pyridin-4-yl)piperazin-1-yl)-3-oxopropylcarbamate (0.020 g, 0.035 mmol) was placed in DCM (3 mL) at room temperature. TFA (0.5 mL) was then added and the reaction was stirred at room temperature for 1 hour. The reaction was then concentrated to dryness, dissolved in minimal DCM, and added to a stirring solution of 1M HCl in ether. The resulting solid product was filtered, washed with ether and dried to give the product N-(4-(4-(3-aminopropanoyl)piperazin-1-yl)-5-bromo-1H-pyrrolo[2,3-b]pyri din-3-yl)nicotinamide (0.015 g, 74% yield) as the trihydrochloride salt. MS APCI (+) m/z 473 detected.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08841304B2
Source datasetuspto-grants-2014_09
ORD IDord-285cda617afe4c3ba1f303080fe12a43
Source noteuspto-grants-2014_09