900685
2,4,6-Tri(p-tolyl)pyrylium tetrafluoroborate salt
≥95%
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About This Item
Empirical Formula (Hill Notation):
C26H23BF4O
CAS Number:
Molecular Weight:
438.26
UNSPSC Code:
12161600
NACRES:
NA.22
Quality Level
Assay
≥95%
form
powder
reaction suitability
reagent type: catalyst
reaction type: Photocatalysis
mp
298-303 °C
Application
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.
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)
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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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)
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