39031-38-4

Basic information

• Product Name: 1-(2-oxo-2-(4-(trifluoromethyl)phenyl)ethyl)pyridin-1-ium bromide
• Synonyms: 1-(2-oxo-2-(4-(trifluoromethyl)phenyl)ethyl)pyridin-1-ium bromide
• CAS NO: 39031-38-4
• Molecular Weight: 346.147
• Mol File: 39031-38-4.mol

Chemical Properties

• CAS DataBase Reference: 1-(2-oxo-2-(4-(trifluoromethyl)phenyl)ethyl)pyridin-1-ium bromide(CAS DataBase Reference)
• NIST Chemistry Reference: 1-(2-oxo-2-(4-(trifluoromethyl)phenyl)ethyl)pyridin-1-ium bromide(39031-38-4)
• EPA Substance Registry System: 1-(2-oxo-2-(4-(trifluoromethyl)phenyl)ethyl)pyridin-1-ium bromide(39031-38-4)

Safety Data

• Hazardous Substances Data: 39031-38-4(Hazardous Substances Data)

Upstream product

• 110-86-1 pyridine 
• 383-53-9 2-bromo-1-[4-(trifluoromethyl)phenyl]ethanone 

Relevant articles and documents

DMAP-Catalyzed Annulation Approach for Modular Assembly of Furan-Fused Chromenes

With a tandem DMAP-catalyzed reaction between o-AQM, in which it is generated in situ from propargylic amine, and acyl carbene surrogate (from pyridinium ylide), a variety of polyarylated chromenes are assembled in good yields. This process does not require transition-metal catalyst and exhibits easy manipulation of the arene group and good functional group compatibility, particularly the -Br group which can be further transformed to other functionalities by cross-coupling reactions. The modular feature of o-AQM substrates and the simple operation procedures add further advantages to this synthetic method.

Silver-Promoted (4 + 1) Annulation of Isocyanoacetates with Alkylpyridinium Salts: Divergent Regioselective Synthesis of 1,2-Disubstituted Indolizines

An unprecedented silver-promoted regioselective (4 + 1) annulation of isocyanoacetates with pyridinium salts is reported. The established protocol provides controlled, facile, and modular access to a range of synthetically useful N-fused heterocyclic scaffolds containing indolizines, pyrrolo[1,2-a]quinolines, pyrrolo[2,1-a]isoquinolines, and 1H-imidazo[4,5-a]indolizin-2(3H)-ones. A mechanistic pathway involving nucleophilic addition/protonation/elimination/cycloisomerization is proposed.

Visible-Light-Induced Carbo-2-pyridylation of Electron-Deficient Alkenes with Pyridinium Salts

A simple and practical visible-light-induced carbo-2-pyridylation of electron-deficient alkenes with readily available N-benzoylmethylpyridinium bromides is reported. More than 40 examples are presented and proceed in greater than 80 % yield (on average)

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