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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 878506Generated: October 26, 2026

3-(Dimethylamino)-1-(3-fluorophenyl)prop-2-en-1-one → 2-[5-(3-fluorophenyl)-1H-pyrazol-1-yl]pyridine-4-carbonitrile

https://huagongshe.com/reaction/878506

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-(Dimethylamino)-1-(3-fluorophenyl)prop-2-en-1-oneHCID 5714075—
Reactant2-Hydrazinylpyridine-4-carbonitrile hydrochloride saltHCID 86725484—
Product2-[5-(3-fluorophenyl)-1H-pyrazol-1-yl]pyridine-4-carbonitrileHCID 8672548898%

Reaction Steps

The title compound was prepared in 98% yield from 2-hydrazinylpyridine-4-carbonitrile hydrochloride salt (PREPARATION 3) and (2E)-3-(dimethylamino)-1-(3-fluorophenyl)prop-2-en-1-one according to the procedure for the preparation of Example 12, part B. 1H NMR (400 MHz, CDCl3): δ 6.53 (1H, d, J=1.6 Hz), 6.99-7.10 (3H, m), 7.29-7.35 (1H, m), 7.38-7.40 (1H, m), 7.78 (1H, d, J=2.0 Hz), 8.05 (1H, s), 8.38 (1H, d, J=4.8 Hz).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08987461B2
Source datasetuspto-grants-2015_03
ORD IDord-80ea259e267a49ad9b6707891df8ba2f
Source noteuspto-grants-2015_03