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436836

Sigma-Aldrich

2-Thienylboronic acid

≥95.0%

Synonyme(s) :

2-Thienylboric acid, 2-Thienylboronic acid, Thien-5-ylboronic acid, Thiophene-2-boronic acid

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About This Item

Formule empirique (notation de Hill):
C4H5BO2S
Numéro CAS:
6165-68-0
Poids moléculaire :
127.96
Numéro Beilstein :
112375
Numéro MDL:
MFCD00151850
Code UNSPSC :
12352103
ID de substance PubChem :
24867305
Nomenclature NACRES :
NA.22

Pureté

≥95.0%

Forme

solid

Pf

138-140 °C (lit.)

Température de stockage

2-8°C

Chaîne SMILES 

OB(O)c1cccs1

InChI

1S/C4H5BO2S/c6-5(7)4-2-1-3-8-4/h1-3,6-7H

Clé InChI

ARYHTUPFQTUBBG-UHFFFAOYSA-N

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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

Autres remarques

Contains varying amounts of anhydride

Pictogrammes

Exclamation mark
GHS07

Mention d'avertissement

Warning

Mentions de danger

H302,H315,H319,H335

Classification des risques

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Organes cibles

Respiratory system

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Gloves

Certificats d'analyse (COA)

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Man-Wah Tsang et al.
Biotechnology journal, 11(2), 257-265 (2015-08-08)
Rapid emergence of class C β-lactamases has urged an immediate need for developing class C β-lactamase specific inhibitors for effective clinical treatment. To facilitate the development of effective class C β-lactamase inhibitors, we propose a new approach for a rapid
Brett VanVeller et al.
Journal of the American Chemical Society, 134(17), 7282-7285 (2012-04-19)
The cyclization and planarization of polycyclic aromatic hydrocarbons with concomitant oxygen substitution was achieved through acid catalyzed transetherification and oxygen-radical reactions. The triptycene scaffold enforces proximity of the alcohol and arene reacting partners and confers significant rigidity to the resulting
Paolo Innocenti et al.
Journal of medicinal chemistry, 55(7), 3228-3241 (2012-03-13)
We report herein a series of Nek2 inhibitors based on an aminopyridine scaffold. These compounds have been designed by combining key elements of two previously discovered chemical series. Structure based design led to aminopyridine (R)-21, a potent and selective inhibitor
Synthesis of a novel donor unit for D-A-type polymers, 2,7-di(5-bromothiophen-2-yl)-10-hexadecyl-phenoxazine
Li, L.; et al.
Advanced Materials Research, 418-420 (2012)
Guo-Ping Lu et al.
The Journal of organic chemistry, 77(8), 3700-3703 (2012-04-07)
The ligands associated with various Pd catalysts play a crucial role in determining the stereochemistry of cross-couplings between boronic acids and Z-alkenyl halides. A ligand on palladium has been found that leads to the desired products under mild conditions and
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