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711144 Sigma-Aldrich

Potassium 1H-pyrazole-3-trifluoroborate

Synonym: Potassium 1H-pyrazole-5-trifluoroborate, Potassium pyrazole-5-trifluoroborate

  • CAS Number 1013640-87-3

  • Empirical Formula (Hill Notation) C3H3BF3KN2

  • Molecular Weight 173.97

  •  MDL number MFCD09992890

  •  PubChem Substance ID 329763033

  •  NACRES NA.22

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Properties

Related Categories Boronic Acids and Derivatives, Chemical Synthesis, Heteroaryl Trifluoroborate Salts, Organometallic Reagents, Trifluoroborate Salts More...
Quality Level   100
mp   196-200 °C
SMILES string   [K+].F[B-](F)(F)c1cc[nH]n1
InChI   1S/C3H3BF3N2.K/c5-4(6,7)3-1-2-8-9-3;/h1-2H,(H,8,9);/q-1;+1
InChI key   QNHYBMZHGRWURK-UHFFFAOYSA-N

Description

Application

An Organotrifluoroborate involved in Suzuki-Miyaura cross-coupling reactions

Organotrifluoroborates as versatile and stable boronic acid surrogates.

Packaging

1 g in glass bottle

250 mg in glass insert

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles

Articles

Heteroaryl Trifluoroborates for Suzuki-Miyaura Reactions

The cross-coupling of heteroarylboronic acids has been a longstanding challenge, presumably due to the difficulties associated with preparing and isolating heteroarylboronic acids. Molander has recen...
Dr. Josephine Nakhla
Chemfiles Volume 10 Article 2
Keywords: Cross couplings, Suzuki coupling

Organotrifluoroborates as Coupling Partners in Suzuki-Miyaura Reactions

Suzuki-Miyaura cross-coupling reactions are some of the most common methods for the formation of C–C bonds in organic chemistry. The use of some boronic acids is complicated by their instability and ...
Josephine Nakhla
Chemfiles Volume 10 Article 3
Keywords: Addition reactions, Chemfiles, Coupling reactions, Cross couplings, Methods, Precipitation

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