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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2112571Generated: November 1, 2026

Hydrazine → HCID 178509226, compound

https://huagongshe.com/reaction/2112571

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazineHCID 9321—
Reactant1,4-DioxaneHCID 31275—
Reactant2-ChloronicotinonitrileHCID 81079—
SolventEthyl AcetateHCID 8857—
ProductHCID 178509226HCID 178509226—

Reaction Conditions

Temperature150 °C

Reaction Steps

2-Chloro-3-cyanopyridine (2.77 g), hydrazine (5 mL), and dioxane (100 mL) were combined in a sealed tube and heated at 150° C. for 16 hr. The reaction mixture was cooled to room temperature and concentrated in vacuo to provide a crude residue. The resultant residue was dissolved in ethyl acetate (100 mL) and washed with saturated NaCl solution (50 mL). The organic layer was dried over sodium sulfate, filtered, and concentrated in vacuo to afford 1H-pyrazolo[3,4-b]pyridin-3-ylamine as a yellow solid which was used without further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07524845B2
Source datasetuspto-grants-2009_04
ORD IDord-76792124744b49969f472f11f01ae558
Source noteuspto-grants-2009_04