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1-(2-oxo-2-phenylethyl)-4-phenylpyridinium is a complex organic compound with the molecular formula C21H17N2O. It is a derivative of pyridinium, featuring a pyridine ring with a phenyl group at the 4-position and a 2-oxo-2-phenylethyl group at the 1-position. 1-(2-oxo-2-phenylethyl)-4-phenylpyridinium is known for its potential applications in the field of chemistry, particularly in the synthesis of various pharmaceuticals and other organic compounds. Its structure and properties make it a valuable intermediate in the development of new molecules with specific therapeutic or chemical functionalities.

16844-15-8

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16844-15-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16844-15-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,8,4 and 4 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 16844-15:
(7*1)+(6*6)+(5*8)+(4*4)+(3*4)+(2*1)+(1*5)=118
118 % 10 = 8
So 16844-15-8 is a valid CAS Registry Number.

16844-15-8Downstream Products

16844-15-8Relevant academic research and scientific papers

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

Chen, Yan,Shatskiy, Andrey,Liu, Jian-Quan,K?rk?s, Markus D.,Wang, Xiang-Shan

supporting information, p. 7555 - 7560 (2021/10/02)

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.

Synthesis and Structure of Dithioester Stabilized Pyridinium Ylides

Alvarez-Builla, J.,Galvez, E.,Cuadro, A. M.,Florencio F.,Blanco, S. Garcia

, p. 917 - 926 (2007/10/02)

An improved procedure to prepare dithioester stabilized pyridinium ylides is described.The structure of the products is discussed.

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