1-Phenylpyrazole → 1-Phenyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
Reaktionsgleichung
[C:1]1([N:7]2[CH:11]=[CH:10][CH:9]=[N:8]2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.C(O[B:16]1[O:20][C:19]([CH3:22])([CH3:21])[C:18]([CH3:24])([CH3:23])[O:17]1)(C)C>>[C:1]1([N:7]2[C:11]([B:16]3[O:20][C:19]([CH3:22])([CH3:21])[C:18]([CH3:24])([CH3:23])[O:17]3)=[CH:10][CH:9]=[N:8]2)[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=1Komponenten
3
Versuchsvorschrift
The title compound, brown solid (2.0 g, 76%), MS (ISP) m/z=271.6 [(M+H)+], mp 132° C., was prepared in accordance with the general method of intermediate A from commercially available 1-phenyl-1H-pyrazol (1.40 g, 9.71 mmol) and commercially available 2-isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane.
Quellen und Nachweise
- ORD-Eintrag
- ord-5fc8f4cdf1b846e1ae9b4a065db319a7
- Quelldatensatz
- uspto-grants-2016_04