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720933 Sigma-Aldrich

Potassium 3-methyl-2-buten-2-yltrifluoroborate

95%

  • Empirical Formula (Hill Notation) C5H9BF3K

  • Molecular Weight 176.03

  •  MDL number MFCD16878983

  •  PubChem Substance ID 329763807

  •  NACRES NA.22

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Properties

Related Categories Alkenyl Trifluoroborate Salts, Boronic Acids and Derivatives, Chemical Synthesis, Organometallic Reagents, Trifluoroborate Salts More...
Quality Level   100
assay   95%
mp   218-223 °C
storage temp.   2-8°C
SMILES string   [K+].C\C(C)=C(\C)[B-](F)(F)F
InChI   1S/C5H9BF3.K/c1-4(2)5(3)6(7,8)9;/h1-3H3;/q-1;+1
InChI key   GYUUSPIOJSPUJM-UHFFFAOYSA-N

Description

Application

Potassium 3-methyl-2-buten-2-yltrifluoroborate can be used to prepare ethyl 2-[(4-bromophenyl)amino]-3,4-dimethylpent-3-enoate by reacting with (E)-ethyl 2-(4-bromophenylimino)acetate and ytterbium triflate.

Packaging

1 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)

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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

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