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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 631745Generated: October 30, 2026

Pentanenitrile, 4,4-dimethyl-3-oxo- → 3-(1,1-Dimethylethyl)-1-[3-(trifluoromethyl)phenyl]-1H-pyrazol-5-amine

https://huagongshe.com/reaction/631745

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPentanenitrile, 4,4-dimethyl-3-oxo-HCID 108871—
Reactant3-(Trifluoromethyl)phenylhydrazine HydrochlorideHCID 2733310—
Product3-(1,1-Dimethylethyl)-1-[3-(trifluoromethyl)phenyl]-1H-pyrazol-5-amineHCID 4338130530.3%

Reaction Steps

Following the procedure in Example 161A Step 3, 3-trifluoromethylphenylhydrazine hydrochloride (781 mg, 4.44 mmol) and 4,4-Dimethyl-3-oxopentanenitrile (500 mg, 4.0 mmol) were reacted to give 3-tert-butyl-1-(3-(trifluoromethyl)phenyl)-1H-pyrazol-5-amine (344 mg, 1.21 mmol, 30%). No NMR taken. LC-MS (ESI) m/z 284 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09320739B2
Source datasetuspto-grants-2016_04
ORD IDord-4f2d70c326d74828bd0d87f451c1d3c4
Source noteuspto-grants-2016_04