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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1501263Generated: November 1, 2026

Hydrazine hydrate (1:1) → HCID 178428522, compound

https://huagongshe.com/reaction/1501263

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrazine hydrate (1:1)HCID 24654—
ReactantHCID 178428521HCID 178428521—
CatalystNickelHCID 935—
SolventEthanolHCID 702—
ProductHCID 178428522HCID 17842852256%

Reaction Conditions

Temperature50 °C

Reaction Steps

4-amino-2-hydroxy-6-methylnicotinonitrile (350 mg, 2.4 mmol) was dissolved in ethanol (15 mL) and warmed to 50° C. before it was treated with raney nickel (1 ml slurry in water) followed by addition of hydrazine monohydrate (2 ml). The resulting mixture was allowed to stir at 50° C. for 2 hours. The cooled reaction mixture was filtered through celite, rinsed with methanol. The filtrate was concentrated in vacuo to provide crude product which was purified by silica gel column chromatography with dichloromethane/methanol=10:1 to afford 4-amino-3-(aminomethyl)-6-methylpyridin-2-ol (200 mg, 56% yield) as a yellow solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09206128B2
Source datasetuspto-grants-2015_12
ORD IDord-20c8c35a76374db69d65e99adbe36d79
Source noteuspto-grants-2015_12