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Halogenation of benzene where X is the halogen, catalyst represents the catalyst (if needed) and HX represents the protonated base. A few types of aromatic compounds, such as phenol , will react without a catalyst , but for typical benzene derivatives with less reactive substrates, a Lewis acid is required as a catalyst .
Dihydro-resveratrol is a natural phenol with a bibenzyl structure found in wine. [1] It is also a metabolite of trans-resveratrol formed in the intestine by the hydrogenation of the double bond by microflora. [2] Combretastatin and combretastatin B-1 are two dihydrostilbenoids found in Combretum afrum, an African tree.
In organic chemistry, free-radical halogenation is a type of halogenation. This chemical reaction is typical of alkanes and alkyl-substituted aromatics under application of UV light. The reaction is used for the industrial synthesis of chloroform (CHCl 3), dichloromethane (CH 2 Cl 2), and hexachlorobutadiene. It proceeds by a free-radical chain ...
The newly opened concept in San Diego is called the Live Más Café, featuring a beverage-centric menu that includes milkshakes, coffees, fruity iced drinks and a take on a dirty soda trend with ...
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The Alamo Bowl is picking teams from the Big 12 because of the Pac-12’s demise. The game had traditionally pitted teams between the Big 12 and Pac-12 until only Oregon State and Washington State ...
Wine is a complex mixture of chemical compounds in a hydro-alcoholic solution with a pH around 4. The chemistry of wine and its resultant quality depend on achieving a balance between three aspects of the berries used to make the wine: their sugar content, acidity and the presence of secondary compounds.
Introducing the 18th class of the California Hall of Fame! Since 2006, @CAMuseum has honored 166 Californians for their achievement in the arts, business and labor, food, literature, music, public ...