900685
2,4,6-Tri(p-tolyl)pyrylium tetrafluoroborate salt
≥95%, powder
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About This Item
Empirical Formula (Hill Notation):
C26H23BF4O
CAS Number:
Molecular Weight:
438.26
MDL number:
UNSPSC Code:
12161600
NACRES:
NA.22
Product Name
2,4,6-Tri(p-tolyl)pyrylium tetrafluoroborate salt, ≥95%
Quality Level
assay
≥95%
form
powder
reaction suitability
reagent type: catalyst
reaction type: Photocatalysis
mp
298-303 °C
SMILES string
[B-](F)(F)(F)F.[o+]1c(cc(cc1c4ccc(cc4)C)c3ccc(cc3)C)c2ccc(cc2)C
InChI
1S/C26H23O.BF4/c1-18-4-10-21(11-5-18)24-16-25(22-12-6-19(2)7-13-22)27-26(17-24)23-14-8-20(3)9-15-23;2-1(3,4)5/h4-17H,1-3H3;/q+1;-1
InChI key
BWOXOWBZXLPNEN-UHFFFAOYSA-N
Application
It can also catalyze visible light-initiated, living cationic polymerization of 4-methoxystyrene with methanol under metal-free conditions.
Product can be used with our line of photoreactors: Including Penn PhD (Z744035) & SynLED 2.0 (Z744080)
Product can be used with our line of photoreactors: Including Penn PhD (Z744035) & SynLED 2.0 (Z744080)
Excitable by blue LEDs, this photocatalyst was reported by the Nicewicz laboratory for catalysis of O-aryl carbamothioates to S-aryl carbamothioates at ambient temperatures, an improvement from the elevated reaction temperatures traditionally needed in the Newman-Kwart rearrangment or palladium catalysis. Effective for scale-up or flow chemistry, this triarylpyrylium salt provides convenient access to thiophenols from phenols.
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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Related Content
Nicewicz lab focuses on reactive cation radical species for selective reactions, advancing synthesis methodologies for various functional groups.
Visible light photoinitiated metal-free living cationic polymerization of 4-methoxystyrene.
Perkowski A J, et al.
Journal of the American Chemical Society, 137(24), 7580-7583 (2015)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 900685-250MG | 04061833259276 |