Aromatic compounds or arenes are organic compounds "with a chemistry typified by benzene" and "cyclically conjugated." The word "aromatic" originates...
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hydrocarbons (compounds composed solely of carbon and hydrogen) are divided into two classes: aromatic compounds and aliphatic compounds (/ˌælɪˈfætɪk/;...
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general relationship between aromaticity as a chemical property and the olfactory properties of such compounds. Aromaticity can also be considered a manifestation...
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arrangements within the rings, carbocyclic and heterocyclic compounds may be aromatic or non-aromatic; in the latter case, they may vary from being fully saturated...
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A Polycyclic aromatic hydrocarbon (PAH) is a class of organic compounds that is composed of multiple aromatic rings. Most are produced by the incomplete...
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chemistry, an aromatic amine is an organic compound consisting of an aromatic ring attached to an amine. It is a broad class of compounds that encompasses...
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Arene substitution pattern (redirect from Aromatic ortho position)
substituents sharing the same ring position in an intermediate compound in an electrophilic aromatic substitution. Trimethylsilyl, tert-butyl, and isopropyl...
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Essential oil (redirect from Aromatic plant)
of alternative medicine in which healing effects are ascribed to aromatic compounds. Aromatherapy may be useful to induce relaxation, but there is not...
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Perfume (section Aromatics sources)
intensity, and longevity of the aromatic compounds, or perfume oils, used. As the percentage of aromatic compounds increases, so does the intensity and...
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Antiaromaticity (redirect from Anti-aromatic)
opposed to aromaticity. Unlike aromatic compounds, which follow Hückel's rule ([4n+2] π electrons) and are highly stable, antiaromatic compounds are highly...
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leaving group, such as a halide, on an aromatic ring. Aromatic rings are usually nucleophilic, but some aromatic compounds do undergo nucleophilic substitution...
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presence of nitro groups in aromatic compounds retards electrophilic aromatic substitution but facilitates nucleophilic aromatic substitution. Nitro groups...
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Substitution reaction (redirect from Aromatic substitution)
group in the process. Aromatic substitution occurs on compounds with systems of double bonds connected in rings. See aromatic compounds for more. Electrophiles...
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system, by the LCAO method and by the Pariser–Parr–Pople method. Aromatic compounds are more stable than theoretically predicted using hydrogenation data...
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Organic chemistry (redirect from Deduction of elements in organic compounds)
three-membered cyclopropane ((CH2)3). Saturated cyclic compounds contain single bonds only, whereas aromatic rings have an alternating (or conjugated) double...
39 KB (4,388 words) - 10:48, 2 January 2025
of the most important electrophilic aromatic substitutions are aromatic nitration, aromatic halogenation, aromatic sulfonation, alkylation Friedel–Crafts...
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between a diazonium compound (R−N≡N+) and another aromatic compound that produces an azo compound (R−N=N−R’). In this electrophilic aromatic substitution reaction...
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Aryl halide (category Aromatic compounds)
(also known as haloarene) is an aromatic compound in which one or more hydrogen atoms, directly bonded to an aromatic ring are replaced by a halide. Haloarenes...
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Conjugated system (section Aromatic compounds)
effects. Cyclic compounds can be partly or completely conjugated. Annulenes, completely conjugated monocyclic hydrocarbons, may be aromatic, nonaromatic...
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Aroma of wine (redirect from Aromatic qualities (wine))
desirable aromatics in the wine. Some of the identified aroma compounds include the following: Methoxypyrazine – grassy, herbaceous aroma compound associated...
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Simple aromatic rings, also known as simple arenes or simple aromatics, are aromatic organic compounds that consist only of a conjugated planar ring system...
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Electrophilic halogenation (redirect from Aromatic halogenation)
electrophilic aromatic halogenation is a type of electrophilic aromatic substitution. This organic reaction is typical of aromatic compounds and a very useful...
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compound is an organic compound featuring several closed rings of atoms, primarily carbon. These ring substructures include cycloalkanes, aromatics,...
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ingredients were water, malted barley, glucose syrup, corn, sugar, aromatic compound (agave spirit), citric acid, and hop extract. Schultz, E.J. (24 April...
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assumed to be realized for a fully aromatic system. An aromatic compound has HOMA value 1 whereas a non-aromatic compound has value 0. For all-carbon systems...
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Radical-nucleophilic aromatic substitution or SRN1 in organic chemistry is a type of substitution reaction in which a certain substituent on an aromatic compound is replaced...
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amines. In these compounds the nitrogen atom is not connected to a hydrogen atom. Basic aromatic compounds get protonated and form aromatic cations (e.g....
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1,6-Methano(10)annulene (category Aromatic hydrocarbons)
6-methanonaphthalene or homonaphthalene) is an aromatic hydrocarbon with chemical formula C11H10. It was the first stable aromatic compound based on the cyclodecapentaene...
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Homoaromaticity (category Aromatic compounds)
aromaticity, considerable thermodynamic stability and many of the spectroscopic, magnetic, and chemical properties associated with aromatic compounds...
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detergents, dye, and drugs. Typical conditions involve heating the aromatic compound with sulfuric acid: C6H6 + H2SO4 → C6H5SO3H + H2O Sulfur trioxide...
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