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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1529230Generated: November 4, 2026

Piperazine → HCID 49800514, compound

https://huagongshe.com/reaction/1529230

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperazineHCID 4837—
ReactantDiisopropylethylamineHCID 81531—
ReactantMethanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 9886157—
ReactantHCID 58235232HCID 58235232—
SolventDimethylformamideHCID 6228—
SolventMethanol--water (1/1)HCID 22242641—
ProductHCID 49800514HCID 49800514—

Reaction Steps

The title compound is synthesized according to general procedure GP5 starting from 100 mg (0.28 mmol) 4-[3-(6-Amino-pyridin-3-ylethynyl)-2-ethyl-pyridin-4-yl]-2-fluoro-benzoic acid (A-38) using 29 mg (0.33 mmoL) piperazine, 116 mg (0.30 mmol) HATU and 81 μL DIPEA in 1 mL DMF. After completion of the reaction, the reaction mixture is filtered and the product is isolated from the obtained solution by RP-HPLC using a H2O/MeOH-gradient. Yield: 8 mg (6%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09090564B2
Source datasetuspto-grants-2015_07
ORD IDord-a6b69354635641df8fb208a739b3e789
Source noteuspto-grants-2015_07