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Sigma-Aldrich

Lithium tetrakis(pentafluorophenyl)borate ethyl etherate

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Synonym(s):
Tetrakis(pentafluorophenyl)boron lithium ethyl etherate
Empirical Formula (Hill Notation):
C24BF20Li · 2.5C4H10O
CAS Number:
371162-53-7
Molecular Weight:
871.28
MDL number:
MFCD01861289
UNSPSC Code:
12352300
PubChem Substance ID:
57647634
NACRES:
NA.22

reaction suitability

core: boron
reagent type: catalyst

Quality Level

100

mp

117-122 °C

SMILES string

[Li+].CCOCC.Fc1c(F)c(F)c(c(F)c1F)[B-](c2c(F)c(F)c(F)c(F)c2F)(c3c(F)c(F)c(F)c(F)c3F)c4c(F)c(F)c(F)c(F)c4F

InChI

1S/C24BF20.C4H10O.Li/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;1-3-5-4-2;/h;3-4H2,1-2H3;/q-1;;+1

InChI key

KPLZKJQZPFREPG-UHFFFAOYSA-N

Related Categories

Application

Lithium tetrakis(pentafluorophenyl)borate ethyl etherate can be used as:
  • A coordinating counter anion in electrochemical reactions along with transition metal catalysts to enhance their acidity or solubility.
  • A catalyst in the Baeyer-Villiger oxidation of cycloalkanones to obtain lactones in the presence of aqueous hydrogen peroxide and oxalic acid.
  • An activator in the synthesis of poly(norbornene ester)s.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Other Notes

Salt for the generation of cationic transition metal complexes

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

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

Target Organs

Respiratory system

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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High oxidation-state (formally d(0)) tungsten silylene complexes via double Si-H bond activation.
B V Mork et al.
Journal of the American Chemical Society, 123(39), 9702-9703 (2001-09-27)
H. Shen, R.F. Jordan
Organometallics, 22, 1878-1878 (2003)
Synthesis of poly (norbornene ester) s by using ($\eta$ 3-substituted allyl) palladium (NHC) complex as catalyst and investigation of their chemical structure-Glass transition temperature-Refractive index relationships
Lee DH, et al.
Fibers and Polymers, 18(8), 1438-1444 (2017)
Baeyer-Villiger oxidation and oxidative cascade reactions with aqueous hydrogen peroxide catalyzed by lipophilic Li [B (C6F5) 4] and Ca [B (C6F5) 4] 2
Uyanik M, et al.
Angewandte Chemie (International Edition in English), 124(36), 9227-9230 (2012)
Oxygen reduction catalyzed by a Carbohydrazone based compound at liquid/liquid interfaces
Kamyabi MA, et al.
Journal of Electroanalytical Chemistry, 794, 235-243 (2017)
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