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902136

Sigma-Aldrich

2,4,6-Tri-(4-fluorophenyl)pyrylium tetrafluoroborate

≥95%

Synonym(s):

Triphenylpyrylium photosensitizer, [T(p-F)PPT

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About This Item

Empirical Formula (Hill Notation):
C23H14BF7O
CAS Number:
62497-19-2
Molecular Weight:
450.16
MDL number:
MFCD00160151
UNSPSC Code:
12352101
NACRES:
NA.22
Pricing and availability is not currently available.

Assay

≥95%

form

powder

reaction suitability

reagent type: catalyst
reaction type: Photocatalysis

mp

242-245 °C

photocatalyst activation

465 nm

SMILES string

[B-](F)(F)(F)F.Fc1ccc(cc1)c2[o+]c(cc(c2)c4ccc(cc4)F)c3ccc(cc3)F

InChI key

FRADIBPDZCOIFV-UHFFFAOYSA-N

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Antonio Franconetti et al.
Physical chemistry chemical physics : PCCP, 16(34), 18442-18453 (2014-07-30)
Noncovalent interactions of anions with electron-deficient aromatic rings that have been studied so far involve non-heteroaromatic or nitrogen-based heteroaromatic systems. Here we report the first case of an organic oxygenated aromatic system, in particular the tri-aryl-pyrylium tetrafluoroborate system, for which
Photocatalytic Cross-Dehydrogenative Amination Reactions between Phenols and Diarylamines.
Zhao Y, et al.
ACS Catalysis, 7 (4), 2446-2451 (2017)
Kuai Wang et al.
Organic letters, 19(8), 1958-1961 (2017-04-04)
A highly regioselective [2 + 2 + 2] cyclization of aromatic alkynes with nitriles is developed for the preparation of 2,3,6-trisubstituted pyridines under visible-light irradiation using a pyrylium salt as the photoredox catalyst. This cycloaddition is achieved through a photooxidative
Ji Young Cho et al.
The Journal of organic chemistry, 83(2), 805-811 (2017-12-14)
Dibenzofurans are naturally occurring molecules that have received considerable attention for a variety of practical applications, such as in pharmaceuticals and electronic materials. Herein, an efficient and eco-friendly method for the synthesis of dibenzofuran derivatives via intramolecular C-O bond formation

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