673862

2-Nitrophenylboronsäure

≥95%

• Synonym(e): o-Nitrobenzolboronsäure
• Lineare Formel: (O₂N)C₆H₄(B(OH)₂)
• CAS-Nummer: 5570-19-4
• Molekulargewicht: 166.93
• MDL-Nummer: MFCD00161358
• UNSPSC-Code: 12352103
• PubChem Substanz-ID: 24885182
• NACRES: NA.22

Eigenschaften

• Assay: ≥95%
• Form: powder
• mp (Schmelzpunkt): 155-160 °C
• Funktionelle Gruppe: nitro
• SMILES String: OB(O)c1ccccc1[N+]([O-])=O
• InChI: 1S/C6H6BNO4/c9-7(10)5-3-1-2-4-6(5)8(11)12/h1-4,9-10H
• InChIKey: SFUIGUOONHIVLG-UHFFFAOYSA-N

Beschreibung

Anwendung

Boronic acid catalyst used for:

• Mild and selective dipolar cycloadditions of unsaturated carboxylic acids with azides
• Transposition of allylic alcohols and Meyer-Schuster rearrangements

Reactant involved in:

• Suzuki-Miyaura cross-coupling reactions with aryl halides or nitroarenediazonium tetrafluoroborates
• Copper-catalyzed halogenation
• Oxidative arylation of aminopyrazolyl disulfides

Used in a preparation of unsymmetrical 2,2′-dinitrobiphenyls via Suzuki-Miyaura cross-coupling with nitrophenyl halides.

Sonstige Hinweise

May contain varying amounts of anhydride

Sicherheitshinweise

• Piktogramme: GHS07
• Signalwort: Warning
• H-Sätze: H302,H315,H319,H335
• P-Sätze: P261 - P264 - P271 - P301 + P312 - P302 + P352 - P305 + P351 + P338
• Gefahreneinstufungen: Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• Persönliche Schutzausrüstung: dust mask type N95 (US), Eyeshields, Gloves