Tetraphenyl Ethane Diol
Tetraphenyl Ethane Diol - Related Videos
02:18
Conformations of Ethane and Propane
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2023
In an organic molecule, free rotation about the carbon-carbon single bond results in energetically different conformers of the molecule. Due to this rotation, called the internal rotation, ethane has two major conformations — staggered and eclipsed. Staggered conformation is a low energy and more stable conformation with the C-H bonds on the front carbon placed at 60°dihedral angles relative to the C-H bonds on the back carbon, leading to a reduced torsional strain. In staggered ethane, the...
12:05
Preparation of Hydrophobic Metal-Organic Frameworks via Plasma Enhanced Chemical Vapor Deposition of Perfluoroalkanes for the Removal of Ammonia
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Cited by 15 •
2013
Herein the procedures for plasma enhanced chemical vapor deposition of perfluoroalkanes on microporous materials such as metal-organic frameworks to enhance their stability and hydrophobicity are described. Furthermore, breakthrough testing of milligram quantities of samples is described in detail.
10:39
Visualization of ATP Synthase Dimers in Mitochondria by Electron Cryo-tomography
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Cited by 43 •
2014
We present a protocol of how to collect and process electron cryo-tomograms of whole mitochondria. The technique provides detailed insights into the structure, function, and organization of large membrane protein complexes in native biological membranes.
09:25
Do's and Don'ts of Cryo-electron Microscopy: A Primer on Sample Preparation and High Quality Data Collection for Macromolecular 3D Reconstruction
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Cited by 19 •
2015
This paper describes the cryo-electron microscopy methodology, which is used to obtain high quality microscopic images of macromolecules in their near-native state. The method yields images suitable for further computerized processing using the single particle approach, devised to generate the 3D reconstruction of a macromolecule.
02:50
Catalysis
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2020
The presence of a catalyst affects the rate of a chemical reaction. A catalyst is a substance that can increase the reaction rate without being consumed during the process. A basic comprehension of a catalysts’ role during chemical reactions can be understood from the concept of reaction mechanisms and energy diagrams. The illustrated image represents the reaction diagrams for an endothermic chemical process progressing in the absence (red curve) and presence (blue curve) of a catalyst. Both...
FAQs
Electron transfer first transforms the carbonyl groups of benzophenone into reactive intermediates. These intermediates combine with one another, creating the bond between the two formerly carbonyl-bearing carbon atoms. Protonation then converts the resulting oxygen-containing centers into hydroxyl groups. This sequence explains why the reaction is classified as a reductive coupling rather than a simple carbonyl addition.
Each neighboring carbon carries both a hydroxyl group and a phenyl group, so the molecule contains closely related substituents around a shared carbon-carbon bond. Their arrangement creates distinctive stereochemical features that can be examined in organic chemistry studies. This structural complexity makes the product useful for connecting molecular arrangement with the reactivity of vicinal diols.
Pinacol coupling describes the reductive union of carbonyl-derived units to form a vicinal diol. In this case, two benzophenone-derived carbonyl groups undergo electron transfer, combine through their reactive intermediates, and are subsequently protonated. The product therefore illustrates how carbonyl chemistry can construct a new carbon-carbon bond while producing two neighboring hydroxyl-bearing centers.
The preparation begins with benzophenone as the carbonyl starting material. Electron transfer generates reactive intermediates from its carbonyl groups, and those intermediates undergo coupling to connect two benzophenone-derived fragments. A protonation step follows, converting the coupled oxygen-containing intermediate into the diol. This sequence provides a concise example of reductive carbonyl coupling in organic synthesis.
Spectroscopic investigation can address the compound’s distinctive structural features, including its multiple aromatic rings and adjacent hydroxyl groups. These features provide observable information for examining molecular structure and reactivity. In a chemistry laboratory, spectroscopy can therefore support interpretation of the coupled product and help relate its measured characteristics to stereochemistry and functional-group arrangement.
Its formation links several important areas of organic chemistry: carbonyl reactivity, electron-transfer-driven coupling, vicinal diol structure, and stereochemical analysis. The aromatic framework and two neighboring hydroxyl groups also make it relevant to investigations of how molecular structure influences behavior. In addition, the compound can support studies directed toward preparing more complex organic molecules.