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

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Catalog Number
ACM580347
Product Name
2,4,6-Tris(4-methoxyphenyl)pyrylium tetrafluoroborate
CAS
580-34-7
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IUPAC Name
2,4,6-tris(4-methoxyphenyl)pyrylium;tetrafluoroborate
Molecular Weight
486.26
Molecular Formula
C26H23BF4O4
Canonical SMILES
[B-](F)(F)(F)F.COC1=CC=C(C=C1)C2=CC(=[O+]C(=C2)C3=CC=C(C=C3)OC)C4=CC=C(C=C4)OC
InChI
InChI=1S/C26H23O4.BF4/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)5/h4-17H,1-3H3;/q+1;-1
InChI Key
FJRLSVSVMPBGBH-UHFFFAOYSA-N
Melting Point
346 - 351 °C
Purity
95%+
Appearance
Powder
Application
The purpose of 2,4,6-Tris(4-methoxyphenyl)pyrylium tetrafluoroborate is to serve as a catalyst in various stereoselective synthesis processes. It facilitates the synthesis of C2-symmetric cyclobutane alkene dimers through photo-induced electron transfer, which is particularly useful in the total synthesis of lignans like magnosalin, endiandrin A, and pellucidin A. Additionally, this compound can act as a catalyst in photoinduced electron transfer (PET) to initiate radical-cation Diels-Alder reactions, broadening its utility in complex organic synthesis.
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