• Thumbnail for Aromatic compound
    Aromatic compounds or arenes are organic compounds "with a chemistry typified by benzene" and "cyclically conjugated." The word "aromatic" originates...
    21 KB (2,094 words) - 16:44, 26 December 2024
  • Thumbnail for Aliphatic compound
    hydrocarbons (compounds composed solely of carbon and hydrogen) are divided into two classes: aromatic compounds and aliphatic compounds (/ˌælɪˈfætɪk/;...
    5 KB (297 words) - 05:18, 11 December 2023
  • Thumbnail for Aromaticity
    general relationship between aromaticity as a chemical property and the olfactory properties of such compounds. Aromaticity can also be considered a manifestation...
    22 KB (2,764 words) - 19:20, 2 January 2025
  • Thumbnail for Cyclic compound
    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...
    28 KB (3,302 words) - 14:18, 13 November 2024
  • Thumbnail for Polycyclic aromatic hydrocarbon
    A Polycyclic aromatic hydrocarbon (PAH) is a class of organic compounds that is composed of multiple aromatic rings. Most are produced by the incomplete...
    87 KB (9,068 words) - 08:24, 31 December 2024
  • 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...
    3 KB (217 words) - 10:43, 6 October 2022
  • substituents sharing the same ring position in an intermediate compound in an electrophilic aromatic substitution. Trimethylsilyl, tert-butyl, and isopropyl...
    10 KB (1,049 words) - 11:18, 3 January 2024
  • Thumbnail for Essential oil
    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...
    54 KB (4,635 words) - 15:58, 22 December 2024
  • intensity, and longevity of the aromatic compounds, or perfume oils, used. As the percentage of aromatic compounds increases, so does the intensity and...
    94 KB (10,812 words) - 17:48, 26 December 2024
  • opposed to aromaticity. Unlike aromatic compounds, which follow Hückel's rule ([4n+2] π electrons) and are highly stable, antiaromatic compounds are highly...
    19 KB (2,236 words) - 04:00, 23 April 2024
  • Thumbnail for Nucleophilic aromatic substitution
    leaving group, such as a halide, on an aromatic ring. Aromatic rings are usually nucleophilic, but some aromatic compounds do undergo nucleophilic substitution...
    11 KB (1,295 words) - 06:15, 27 December 2024
  • Thumbnail for Nitro compound
    presence of nitro groups in aromatic compounds retards electrophilic aromatic substitution but facilitates nucleophilic aromatic substitution. Nitro groups...
    17 KB (1,790 words) - 06:23, 2 January 2025
  • group in the process. Aromatic substitution occurs on compounds with systems of double bonds connected in rings. See aromatic compounds for more. Electrophiles...
    12 KB (1,456 words) - 13:55, 26 August 2024
  • Thumbnail for Hückel's rule
    system, by the LCAO method and by the Pariser–Parr–Pople method. Aromatic compounds are more stable than theoretically predicted using hydrogenation data...
    13 KB (1,586 words) - 18:06, 25 November 2024
  • Thumbnail for Organic chemistry
    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...
    18 KB (2,168 words) - 20:30, 8 October 2024
  • 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...
    6 KB (706 words) - 23:47, 31 August 2024
  • 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...
    16 KB (1,804 words) - 21:38, 3 June 2024
  • Thumbnail for Conjugated system
    effects. Cyclic compounds can be partly or completely conjugated. Annulenes, completely conjugated monocyclic hydrocarbons, may be aromatic, nonaromatic...
    35 KB (4,303 words) - 03:15, 7 October 2024
  • Thumbnail for Aroma of wine
    desirable aromatics in the wine. Some of the identified aroma compounds include the following: Methoxypyrazine – grassy, herbaceous aroma compound associated...
    13 KB (1,730 words) - 03:18, 30 October 2024
  • Simple aromatic rings, also known as simple arenes or simple aromatics, are aromatic organic compounds that consist only of a conjugated planar ring system...
    7 KB (452 words) - 06:37, 25 October 2024
  • electrophilic aromatic halogenation is a type of electrophilic aromatic substitution. This organic reaction is typical of aromatic compounds and a very useful...
    7 KB (828 words) - 06:48, 14 December 2023
  • Thumbnail for Polycyclic compound
    compound is an organic compound featuring several closed rings of atoms, primarily carbon. These ring substructures include cycloalkanes, aromatics,...
    3 KB (226 words) - 00:02, 22 February 2024
  • Thumbnail for Desperados (beer)
    ingredients were water, malted barley, glucose syrup, corn, sugar, aromatic compound (agave spirit), citric acid, and hop extract. Schultz, E.J. (24 April...
    2 KB (172 words) - 21:23, 1 December 2024
  • Thumbnail for Aromatic ring current
    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...
    9 KB (1,050 words) - 04:36, 19 February 2024
  • 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...
    4 KB (454 words) - 19:31, 27 October 2022
  • Thumbnail for Basic aromatic ring
    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....
    3 KB (209 words) - 16:59, 14 August 2023
  • Thumbnail for 1,6-Methano(10)annulene
    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...
    6 KB (512 words) - 14:42, 1 February 2024
  • Thumbnail for Homoaromaticity
    Homoaromaticity (category Aromatic compounds)
    aromaticity, considerable thermodynamic stability and many of the spectroscopic, magnetic, and chemical properties associated with aromatic compounds...
    33 KB (3,768 words) - 19:26, 12 July 2024
  • Thumbnail for Aromatic sulfonation
    detergents, dye, and drugs. Typical conditions involve heating the aromatic compound with sulfuric acid: C6H6 + H2SO4 → C6H5SO3H + H2O Sulfur trioxide...
    5 KB (516 words) - 00:40, 14 December 2024