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272345

Sigma-Aldrich

2,4,6-Triphenylpyrylium tetrafluoroborate

98%

Synonym(s):

2,4,6-Triphenylpyrylium fluoborate (6CI), 2,4,6-Triphenylpyrylium fluoroborate, 2,4,6-Triphenylpyrylium tetrafluoroborate (7CI), TPPT

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About This Item

Empirical Formula (Hill Notation):
C23H17BF4O
CAS Number:
448-61-3
Molecular Weight:
396.19
Beilstein/REAXYS Number:
3586533
EC Number:
207-186-4
MDL number:
MFCD00012001
UNSPSC Code:
12352100
PubChem Substance ID:
24856467
NACRES:
NA.22

Quality Level

100

assay

98%

form

powder

reaction suitability

reaction type: Photocatalysis
reagent type: catalyst

mp

250-251 °C (lit.)

photocatalyst activation

462 nm

functional group

phenyl

SMILES string

F[B-](F)(F)F.c1ccc(cc1)-c2cc([o+]c(c2)-c3ccccc3)-c4ccccc4

InChI

1S/C23H17O.BF4/c1-4-10-18(11-5-1)21-16-22(19-12-6-2-7-13-19)24-23(17-21)20-14-8-3-9-15-20;2-1(3,4)5/h1-17H;/q+1;-1

InChI key

VQYPWMWEJGDSTF-UHFFFAOYSA-N

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Application

2,4,6-Triphenylpyrylium tetrafluoroborate was used as a sensitizer to carry out the photooxidation of cathecol. It was also used in the preparation of three N-alkylpyridinium photosensitizers by reacting with (1R,2S)-(-)-norephedrine, (S)-(+)-2-(aminomethyl)pyrrolidine and (R)-(-)-1-cyclohexylethylamine.

Product can be used with our line of photoreactors: Including Penn PhD (Z744035) & SynLED 2.0 (Z744080)

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
SDBB1269
STBL2479
STBJ9058
STBJ0707
STBH6172

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[Experiences with replacement of the eyelid-levator].
K Hollmann
Fortschritte der Kiefer- und Gesichts-Chirurgie, 22, 98-99 (1977-01-01)
Mercedes Alvaro et al.
The Journal of organic chemistry, 67(15), 5184-5189 (2002-07-20)
Three N-alkylpyridinium photosensitizers having chiral alkyl groups have been prepared by reacting 2,4,6-triphenylpyrylium tetrafluoroborate ion with (1R,2S)-(-)-norephedrine, (S)-(+)-2-(aminomethyl)pyrrolidine, and (R)-(-)-1-cyclohexylethylamine. Laser flash photolysis allows detection of the corresponding triplet excited states that are quenched by hydrogen atom donors and electron
Remigiusz Bąchor et al.
International journal of molecular sciences, 21(9) (2020-05-07)
Detection of podocytes in urine might serve as a useful diagnostic tool in both primary and secondary glomerular diseases. The utility of podocyturia has been confirmed for both pre-eclampsia and glomerulonephritis. Here, we present a new and sensitive method for
Żaneta Rembisz et al.
Journal of chromatography. A, 1407, 184-192 (2015-07-15)
A high-performance liquid chromatography method based on pre-column derivatization with the pyrylium salts (4-[p-(N,N-dimethylamino)phenyl]-2,6-diphenylpyrylium perchlorate (LN1) and 2,4,6-triphenylpyrylium tetrafluoroborate (L1)) has been developed for the determination of sulfide. After the reaction of sulfide ions with LN1 or L1 aiming at

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