• USA Home
  • 720747 - Potassium (2Z)-2-buten-2-yltrifluoroborate

EMAIL THIS PAGE TO A FRIEND
720747 Sigma-Aldrich

Potassium (2Z)-2-buten-2-yltrifluoroborate

≥95%

  • CAS Number 1134643-88-1

  • Empirical Formula (Hill Notation) C4H7BF3K

  • Molecular Weight 162.00

  •  MDL number MFCD16621473

  •  PubChem Substance ID 329763746

  •  NACRES NA.22

Purchase

Properties

Related Categories Alkenyl Trifluoroborate Salts, Boronic Acids and Derivatives, Chemical Synthesis, Organometallic Reagents, Trifluoroborate Salts More...
Quality Level   100
assay   ≥95%
mp   147-152 °C
storage temp.   2-8°C
SMILES string   [K+].C\C=C(/C)[B-](F)(F)F
InChI   1S/C4H7BF3.K/c1-3-4(2)5(6,7)8;/h3H,1-2H3;/q-1;+1/b4-3+;
InChI key   IFJZXYDBLMMRCO-BJILWQEISA-N

Description

Application

Potassium (2Z)-2-buten-2-yltrifluoroborate can be used as a substrate:
• In the asymmetric alkenylation of imines/aldimines using a rhodium based catalyst.
• In the Rh(I)-catalyzed allylic amines synthesis by reacting with N-tert-butanesulfinyl aldimines.
• In the ytterbium triflate catalyzed multicomponent synthesis of β-unsaturated α-amino esters.

Packaging

1, 5 g in glass bottle

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Target organs 
Respiratory system
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)

Please Enter a Lot Number
Protocols & Articles

Articles

Potassium Vinyltrifluoroborate as a Versatile Dianion Precursor

Molander and co-workers have developed a powerful strategy for the production of a unique 1,2-dianion equivalent using potassium vinyltrifluoroborate.1 This useful organotrifluoroborate undergoes sel...
Aaron Thornton
Chemfiles Volume 11 Article 1
Keywords: Cross couplings

Peer-Reviewed Papers
15

References

Related Products

related product

Product #

Description

Add to Cart

28982 Curcumin solution, ~0.1 % (w/v) (in ethanol with 2M HCl (99:1 v/v)), for TLC derivatization

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?