436836

2-Thienylborsäure

≥95.0%

• Synonym(e): Thiophen-2-boronsäure
• Empirische Formel (Hill-System): C₄H₅BO₂S
• CAS-Nummer: 6165-68-0
• Molekulargewicht: 127.96
• Beilstein: 112375
• MDL-Nummer: MFCD00151850
• UNSPSC-Code: 12352103
• PubChem Substanz-ID: 24867305
• NACRES: NA.22

Eigenschaften

• Qualitätsniveau: 200
• Assay: ≥95.0%
• Form: solid
• mp (Schmelzpunkt): 138-140 °C (lit.)
• Lagertemp.: 2-8°C
• SMILES String: OB(O)c1cccs1
• InChI: 1S/C4H5BO2S/c6-5(7)4-2-1-3-8-4/h1-3,6-7H
• InChIKey: ARYHTUPFQTUBBG-UHFFFAOYSA-N

Beschreibung

Anwendung

Reagent used for

• Palladium-catalyzed Suzuki-Miyaura cross-couplings
• Alkylation, boration, coupling reaction, Suzuki coupling, and halogenation of fluorenyl bromide
• Chain-growth catalyst transfer polycondensation of conjugated alternating copolymer
• Ferric perchlorate-promoted reaction of fullerene to give fullerenyl boronic esters
• Ligand-free Suzuki, Sonogashira, and Heck cross-coupling reactions
• Copper-catalyzed nitration reactions
• Geometry relaxation-induced Large Stokes shift in red-emitting borondipyrromethenes (BODIPY) and applications in fluorescent thiol probes

Reagent used in Preparation of

• Photophysical properties of oxygen-containing polycyclic aromatic triptycenes
• Donor unit for donor-acceptor-type polymers via N-alkylation, Suzuki coupling, and bromination
• Aminopyridine-based inhibitors of mitotic kinase Nek2 with potential antipoliferative effects in cancer tumors

Sonstige Hinweise

Contains varying amounts of anhydride

Sicherheitshinweise

• Piktogramme: GHS07
• Signalwort: Warning
• H-Sätze: H302,H315,H319,H335
• P-Sätze: P261 - P264 - P270 - 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