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723797

Sigma-Aldrich

Potassium thiophene-2-trifluoroborate

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Empirical Formula (Hill Notation):
C4H3BF3KS
CAS Number:
Molecular Weight:
190.04
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:

form

powder

mp

245-265 °C

SMILES string

[K+].F[B-](F)(F)c1cccs1

InChI

1S/C4H3BF3S.K/c6-5(7,8)4-2-1-3-9-4;/h1-3H;/q-1;+1

InChI key

LXOCUYMZBWNQQS-UHFFFAOYSA-N

Application

Organotrifluoroborate involved in:
  • A variety of cross-coupling reactions, Negishi cross coupling, Nickel-catalyzed cross-coupling, and Suzuki cross-coupling
  • C-O activation of phenol derivatives

Organotrifluoroborates as versatile and stable boronic acid surrogates.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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Articles

Bench-stable Potassium Organotrifluoroborates enable diverse C-C bond formation reactions.

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