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CAS 136040-19-2

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Triphenylcarbenium tetrakis(pentafluorophenyl)borate

Description:
Triphenylcarbenium tetrakis(pentafluorophenyl)borate is a stable, highly reactive cationic species characterized by its triphenylcarbenium core, which is a trivalent carbon atom bonded to three phenyl groups. This compound is notable for its strong electrophilic nature due to the positive charge on the carbon atom, making it a potent Lewis acid. The tetrakis(pentafluorophenyl)borate anion serves as a counterion, providing significant stabilization to the cation through resonance and the electron-withdrawing effects of the pentafluorophenyl groups. The presence of multiple fluorine atoms enhances the electron deficiency of the borate, further increasing the stability of the overall structure. This compound is often utilized in organic synthesis and catalysis, particularly in reactions involving electrophilic aromatic substitution and as a reagent in various chemical transformations. Its unique properties make it a valuable tool in the study of carbocation chemistry and the development of new synthetic methodologies.
Formula:C24BF20·C19H15
InChI:InChI=1S/C24BF20.C19H15/c26-5-1(6(27)14(35)21(42)13(5)34)25(2-7(28)15(36)22(43)16(37)8(2)29,3-9(30)17(38)23(44)18(39)10(3)31)4-11(32)19(40)24(45)20(41)12(4)33;1-4-10-16(11-5-1)19(17-12-6-2-7-13-17)18-14-8-3-9-15-18/h;1-15H/q-1;+1
InChI key:InChIKey=TZOSNOQHGGONMD-UHFFFAOYSA-N
SMILES:[B+3]([C-]=1C(F)=C(F)C(F)=C(F)C1F)([C-]=2C(F)=C(F)C(F)=C(F)C2F)([C-]=3C(F)=C(F)C(F)=C(F)C3F)[C-]=4C(F)=C(F)C(F)=C(F)C4F.[C+](C1=CC=CC=C1)(C2=CC=CC=C2)C3=CC=CC=C3
Synonyms:
  • Benzene, pentafluoro-, boron complex
  • Borate(1-), tetrakis(pentafluorophenyl)-, triphenylmethylium
  • F 20
  • F 20 (catalyst)
  • Methylium, triphenyl-, tetrakis(2,3,4,5,6-pentafluorophenyl)borate(1-) (1:1)
  • Methylium, triphenyl-, tetrakis(pentafluorophenyl)borate(1-) (1:1)
  • Ph3CB(C6F5)4
  • Phenylcarbenium tetrakis(pentafluorophenyl)borate
  • Substituted alkyl salt of halogenated organoborate
  • Tbf 20
  • See more synonyms
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