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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 491530Generated: October 31, 2026

N-(5-Pyridin-4-yl-1H-pyrazol-3-yl)-acetamide → 3-(pyridin-4-yl)-1H-pyrazol-5-amine

https://huagongshe.com/reaction/491530

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-(5-Pyridin-4-yl-1H-pyrazol-3-yl)-acetamideHCID 67527634—
SolventHydrochloric AcidHCID 313—
Product3-(pyridin-4-yl)-1H-pyrazol-5-amineHCID 18769385117.5%

Reaction Steps

N-(5-Pyridin-4-yl-1H-pyrazol-3-yl)-acetamide (4.1 g, 20.3 mmol) was heated in 6N HCl (30 mL) overnight. Solution was concentrated in vacuum to afford the title compound (3.82 g , 96% yield) as a white hydrochloride salt. 1H NMR (d6-DMSO): 8.92-8.91 (2H, d), 8.43-8.42 (2H, d), 7.38-6.81 (1H, br s). FIA MS: MH+161.2, M−159.1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07531556B2
Source datasetuspto-grants-2009_05
ORD IDord-3c42695e502846a2924adf439f108a56
Source noteuspto-grants-2009_05