Three factors are considered: 1. ring size, 2. hybridization of the carbon undergoing attack, 3. whether the bond undergoing attack will be endocyclic or exocyclic to the forming ring in the product. The ease of intramolecular formation of a particular ring size generally followed the trend, 5> 6 > 3 > 7 > 4 > 8-10.
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Jul 27, 2017 · Main article: Aromatic reactions. Unlike alkenes, aromatic compounds such as benzene undergo substitution reactions instead of addition reactions. The most common reaction for benzene to undergo is electrophilic aromatic substitution (EAS), although in a few special cases, substituted benzenes can undergo nucleophilic aromatic substitution.
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Sep 01, 2020 · These reactions have resulted in hospitalization, surgery, and death. The risk of severe adverse reactions is further increased with anticholinergic medications (and other medications that decrease gastrointestinal peristalsis); therefore, concomitant use should be avoided when possible [see Warnings and Precautions (5.16), Drug Interactions (7 ...
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Redox reactions are reactions in which one species is reduced and another is oxidized. Therefore the oxidation state of the species involved must change. These reactions are important for a number of applications, including energy storage devices (batteries), photographic processing, and energy production and utilization in living systems ...
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Alkyl halides undergo elimination reactions with nucleophiles or bases, where hydrogen halide is lost from the molecule to produce an alkene. There are two commonly occurring mechanisms. The E2 mechanism is the most effective for the synthesis of alkenes from alkyl halides and can be used on primary, secondary, and tertiary alkyl halides.
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Drug metabolism is the metabolic breakdown of drugs by living organisms, usually through specialized enzymatic systems. More generally, xenobiotic metabolism (from the Greek xenos "stranger" and biotic "related to living beings") is the set of metabolic pathways that modify the chemical structure of xenobiotics, which are compounds foreign to an organism's normal biochemistry, such as any drug ...