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4H-Pyran, 2,6-diphenyl-4-(phenylmethylene)-, also known as 2,6-diphenyl-4-benzylidene-4H-pyran, is an organic compound characterized by a pyran ring structure with two phenyl groups at the 2 and 6 positions and a phenylmethylene group at the 4 position. This molecule is a derivative of the parent compound pyran, which is a heterocyclic compound containing an oxygen atom in a six-membered ring. The presence of the phenyl groups and the phenylmethylene group in this specific arrangement contributes to its unique chemical properties and potential applications in various fields, such as pharmaceuticals, materials science, and organic synthesis.

1168-63-4

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1168-63-4 Usage

Class

Member of the pyran class of organic compounds

Structure

Contains a pyran ring with two phenyl groups and a phenylmethylene substituent

Utility

Commonly employed in organic synthesis

Applications

Potential applications in pharmaceutical development and materials science

Intermediary Role

Valuable intermediate in the synthesis of complex organic molecules

Check Digit Verification of cas no

The CAS Registry Mumber 1168-63-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,6 and 8 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1168-63:
(6*1)+(5*1)+(4*6)+(3*8)+(2*6)+(1*3)=74
74 % 10 = 4
So 1168-63-4 is a valid CAS Registry Number.

1168-63-4Relevant academic research and scientific papers

Reversible Redox Switching of Chromophoric Phenylmethylenepyrans by Carbon-Carbon Bond Making/Breaking

Wojcik, Laurianne,Michaud, Fran?ois,Gauthier, Sébastien,Cabon, Nolwenn,Le Poul, Pascal,Gloaguen, Frederic,Le Poul, Nicolas

, p. 12395 - 12405 (2017/12/08)

Electrochromic organic systems that can undergo substantial variation of their optical properties upon electron stimulus are of high interest for the development of functional materials. In particular, devices based on radical dimerization are appropriate because of the effectiveness and speed of carbon-carbon bond making/breaking. Phenylmethylenepyrans are organic chromophores which are well suited for such purposes since their oxidation leads to the reversible formation of bispyrylium species by radical dimerization. In this paper, we show that the redox and spectroscopic properties of phenylmethylenepyrans can be modulated by adequate variation of the substituting group on the para position of the phenyl moiety, as supported by DFT calculations. This redox switching is reversible over several cycles and is accompanied by a significant modification of the UV-vis spectrum of the chromophore, as shown by time-resolved spectroelectrochemistry in thin-layer conditions.

Redox Behavior of Some New Bipyran and Bithiopyran Derivatives. One- vs. Two-Electron Oxidations

Reynolds, George A.,Saeva, Franklin D.,Doney, Jeffrey J.,Chen, Chin H.

, p. 4843 - 4848 (2007/10/02)

Three classes of Δ4,4'-4H-bipyran and -bithiopyran derivatives undergo either two unresolved one-electron oxidations, where E20' may be more or less than E10', or a single reversible two-electron oxid

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