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Sigma Aldrich Pyrylium Tetrafluoroborate

Catalog No. 9067195G Shop All MilliporeSigma Sigma Organic Chemistry Products
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90-671-95G 5 g
90-671-91G 1 g
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Description

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

Pyrylium tetrafluoroborate is used for the functionalization of heterocyclic amines, activating them for nucleophilic substitution. As demonstrated by the Cornella lab, the intermediate pyridinium salts can react with a vast array of nucelophiles to form new C-N, C-O, and C-S bonds, making pyrylium tetrafluoroborate a valuable reagent for late-stage functionalization.Selective Functionalization of Aminoheterocycles by a Pyrylium SaltSelective Late-Stage Sulfonyl Chloride Formation from Sulfonamides Enabled by PyryBF4Synthesis of Sulfonyl Fluorides from Sulfonamides

Specifications

CAS 102-82-9
Boiling Point 216°C
Molecular Formula C5H5BF4O
Linear Formula C5H5BF4O
Quantity 5 g
Synonym Pyry-BF4
Molecular Weight (g/mol) 167.9 g/mol
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