Synonym(s): 2-Thienylboric acid; 2-Thienylboronic acid; Thien-5-ylboronic acid; Thiophene-2-boronic acid
Formula: C4H5BO2S
Formula Weight: 127.96
CAS No.: 6165-68-0
Purity: ≥95.0%
Application: 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
Other Notes: Contains varying amounts of anhydride
Storage: 2-8°C
Packaging: 1, 5 g in glass bottle
Beilstein Registry Number: 112375
Melting Point: 138-140°C(lit.)
Empirical Formula (Hill Notation): C6H5N3O5