Reaktionsgleichung
[F:1][C:2]([F:12])([F:11])[C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][C:4]=1[NH:9][NH2:10].[CH3:13][C:14]([CH3:21])([CH3:20])[C:15](=O)[CH2:16][C:17]#[N:18]>>[C:14]([C:15]1[CH:16]=[C:17]([NH2:18])[N:9]([C:4]2[CH:5]=[CH:6][CH:7]=[CH:8][C:3]=2[C:2]([F:11])([F:12])[F:1])[N:10]=1)([CH3:21])([CH3:20])[CH3:13]Komponenten
3
Versuchsvorschrift
The title compound was prepared from 2-(trifluoromethyl)-phenylhydrazine (1.41 g, 8.0 mmol) and 4,4-dimethyl-3-oxopentanenitrile (1.0 g, 8.0 mmol) using the procedure in Example 161A Step 3 to give 3-tert-butyl-1-(2-(trifluoromethyl)phenyl)-1H-pyrazol-5-amine (1.45 g, 5.12 mmol, 64%). 1H NMR (300 MHz, DMSO-d6) δ 7.86 (d, 1H), 7.75 (t, 1H), 7.65 (t, 1H), 7.49 (d, 1H), 5.27 (s, 1H), 4.97 (s, 1H), 1.18 (s, 9H); LC-MS (ESI) m/z 284 (M+H)+.
Quellen und Nachweise
- ORD-Eintrag
- ord-2d8a4ed42f8e4e84a5ae251a184e4ff1
- Quelldatensatz
- uspto-grants-2016_04
- Patentnummer
- US09320739B2
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