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2,4,6-Tris(4-methoxyphenyl)pyrylium tetrafluoroborate

ALDRICH/900692

Synonym: 2,4,6-Tri-p-anisylpyrylium (TAP) fluoroborate

CAS Number: 580-34-7
Empirical Formula (Hill Notation): C26H23BF4O4
Molecular Weight: 486.26
Linear Formula: C26H23BF4O4
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-900692-10MG 10 mg
 $69.70
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45-900692-250MG 250 mg
 $310.00
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This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 900692-10MG.
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 900692-250MG.

 

form powder
InChI 1S/C26H23O4.BF3.FH/c1-27-22-10-4-18(5-11-22)21-16-25(19-6-12-23(28-2)13-7-19)30-26(17-21)20-8-14-24(29-3)15-9-20;2-1(3)4;/h4-17H,1-3H3;;1H/q+1;;/p-1
InChI key BYUPZXIJGVBLGP-UHFFFAOYSA-M
mp 346-351 °C
Quality Level 100 
reaction suitability reagent type: catalyst
reaction type: Photocatalysis
SMILES string COC(C=C1)=CC=C1C2=[O+]C(C3=CC=C(OC)C=C3)=CC(C4=CC=C(OC)C=C4)=C2.FB(F)F.[F-]
Application: 2,4,6-Tris(4-methoxyphenyl)pyrylium tetrafluoroborate can be used to catalyze the stereoselective synthesis of C2-symmetric cyclobutane alkene dimers via photo-induced electron transfer. This method can be employed for the total synthesis of lignans such as magnosalin, endiandrin A and pellucidin A. It can also catalyze photoinduced electron transfer (PET) to initiate radical-cation Diels-Alder reactions.
Application: Triarylpyrylium salt used as a photosensitizer in photocatalysis  and polymerization. This was previously sold under catalog number S921874.

Product can be used with our line of photoreactors : Including Penn PhD (Z744035 ) & SynLED 2.0 (Z744080 )
Other Notes: David Nicewicz photoredox catalysis 
Cyclization–endoperoxidation cascade reactions of dienes mediated by a pyrylium photoredox catalyst 
Metal-Free Ring-Opening Metathesis Polymerization 
Cationic Polymerization of Vinyl Ethers Controlled by Visible Light 
Electron-Transfer-Induced Diels ± Alder Reactions of Indole and Exocyclic Dienes: Synthesis and Quantum-Chemical Studies 
Packaging: 10, 250 mg in glass insert
mp 346-351 °C
UNSPSC 12161600

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