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2-Thienylboronic acid

2-Thienylboronic acid chemical structure
CAS Number6165-68-0
FormulaC4H5BO2S
Mol. Weight127.96 g/mol

What is 2-Thienylboronic acid?

2-Thienylboronic acid is a chemical compound with CAS number 6165-68-0 and molecular formula C4H5BO2S. It is used in various industrial and research applications.

Applications

Reagent used for
• Palladium-catalyzed Suzuki-Miyaura cross-couplings1
• Alkylation, boration, coupling reaction, Suzuki coupling, and halogenation of fluorenyl bromide2
• Chain-growth catalyst transfer polycondensation of conjugated alternating copolymer3
• Ferric perchlorate-promoted reaction of fullerene to give fullerenyl boronic esters4
• Ligand-free Suzuki, Sonogashira, and Heck cross-coupling reactions5
• Copper-catalyzed nitration reactions6
• Geometry relaxation-induced Large Stokes shift in red-emitting borondipyrromethenes (BODIPY) and applications in fluorescent thiol probes7

Reagent used in Preparation of
• Photophysical properties of oxygen-containing polycyclic aromatic triptycenes8
• Donor unit for donor-acceptor-type polymers via N-alkylation,

Specifications

Molecular Weight

127.96 g/mol

Assay/Purity

≥95.0%

Safety Information

GHS07GHS07
Signal Word

Warning

Hazard Statements

H302-H315-H319-H335

Precautionary Statements

P261-P305 + P351 + P338

Required PPE

dust mask type N95 (US), Eyeshields, Gloves

Melting Point

138-140 °C(lit.)

WGK Germany

3

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