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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 79616Generated: October 29, 2026

Trifluoroacetic acid → HCID 44198123, compound

https://huagongshe.com/reaction/79616

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactanttert-butyl 2-(4-(5-bromo-3-(nicotinamido)-1H-pyrrolo[2,3-b]pyridin-4-yl)piperazin-1-yl)-2-oxoethylcarbamateHCID 68781630—
SolventDichloromethaneHCID 6344—
ProductHCID 44198123HCID 4419812390.9%

Reaction Steps

tert-Butyl 2-(4-(5-bromo-3-(nicotinamido)-1H-pyrrolo[2,3-b]pyridin-4-yl)piperazin-1-yl)-2-oxoethylcarbamate (0.020 g, 0.036 mmol) was placed in DCM (3 mL). 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. The resulting residue was 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 N-(4-(4-(2-aminoacetyl)piperazin-1-yl)-5-bromo-1H-pyrrolo[2,3-b]pyridin-3-yl)nicotinamide (0.015 g, 74% yield) as the trihydrochloride salt. MS APCI (+) m/z 459 detected.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08841304B2
Source datasetuspto-grants-2014_09
ORD IDord-07ce13f5696a46fda443e639fff70c3e
Source noteuspto-grants-2014_09