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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1504859Generated: October 31, 2026

Trifluoroacetic acid → 5-{[(2S)-2-aminopropyl]amino}-3-[(4,6-dimethylpyridin-2-yl)amino]pyridine-2-carbonitrile TFA salt

https://huagongshe.com/reaction/1504859

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactanttert-butyl [(2S)-1-({6-cyano-5-[(4,6-dimethylpyridin-2-yl)amino]pyridin-3-yl}amino)propan-2-yl]carbamateHCID 86731724—
SolventDichloromethaneHCID 6344—
Product5-{[(2S)-2-aminopropyl]amino}-3-[(4,6-dimethylpyridin-2-yl)amino]pyridine-2-carbonitrile TFA saltHCID 86731725—

Reaction Steps

To a flask containing tert-butyl [(2S)-1-({6-cyano-5-[(4,6-dimethylpyridin-2-yl)amino]pyridin-3-yl}amino)propan-2-yl]carbamate (160 mg, 0.404 mmol) were added DCM (3 mL) and trifluoroacetic acid (0.3 mL). After 1 hour, the reaction mixture was concentrated under reduced pressure to afford 5-{[(2S)-2-aminopropyl]amino}-3-[(4,6-dimethylpyridin-2-yl)amino]pyridine-2-carbonitrile TFA salt. The material was used without further purification. MS ESI calc'd. for C16H21N6 [M+H]+ 297. found 297.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09216173B2
Source datasetuspto-grants-2015_12
ORD IDord-171d0ea24b86482cba6a0508c775f8b8
Source noteuspto-grants-2015_12