• Thumbnail for Aromatic sulfonation
    In organic chemistry, aromatic sulfonation is an organic reaction in which a hydrogen atom on an arene is replaced by a sulfonic acid (−SO2OH) functional...
    5 KB (479 words) - 20:20, 30 August 2024
  • Thumbnail for Benzenesulfonic acid
    is prepared from the sulfonation of benzene using concentrated sulfuric acid: This conversion illustrates aromatic sulfonation, which has been called...
    7 KB (405 words) - 13:59, 26 January 2024
  • Thumbnail for Sulfonic acid
    called sulfonates. Aryl sulfonic acids are produced by the process of sulfonation. Usually the sulfonating agent is sulfur trioxide. A large scale application...
    16 KB (1,935 words) - 16:58, 7 September 2024
  • Thumbnail for Polystyrene sulfonate
    the idealized formula (CH2CHC6H4SO3H)n. The material is prepared by sulfonation of polystyrene: (CH2CHC6H5)n + n SO3 → (CH2CHC6H4SO3H)n Several methods...
    12 KB (1,157 words) - 19:38, 19 October 2024
  • Cement hydration and strength development mainly depend on two silicate phases: tricalcium silicate (C3S) (alite), and dicalcium silicate (C2S) (belite)...
    10 KB (1,141 words) - 20:00, 15 August 2024
  • substitutions are aromatic nitration, aromatic halogenation, aromatic sulfonation, alkylation Friedel–Crafts reaction and acylation Friedel–Crafts reaction...
    18 KB (2,168 words) - 20:30, 8 October 2024
  • Thumbnail for Camphorsulfonic acid
    can be prepared by sulfonation of camphor with sulfuric acid and acetic anhydride: Although this reaction appears to be a sulfonation of an unactivated...
    6 KB (385 words) - 17:44, 17 September 2024
  • Thumbnail for Amine
    In chemistry, amines (/əˈmiːn, ˈæmiːn/, UK also /ˈeɪmiːn/) are compounds and functional groups that contain a basic nitrogen atom with a lone pair. Formally...
    36 KB (3,789 words) - 11:52, 8 November 2024
  • Thumbnail for Phenolphthalein
    Phenolphthalein ion in concentrated sulfuric acid is orange red due to sulfonation. Phenolphthalein's common use is as an indicator in acid-base titrations...
    20 KB (1,790 words) - 18:11, 21 October 2024
  • Thumbnail for Triphenylphosphine
    corresponding amine in high yield at room temperature with irradiation: Sulfonation of PPh3 gives tris(3-sulfophenyl)phosphine, P(C6H4-3-SO3−)3 (TPPTS),...
    18 KB (1,624 words) - 16:57, 12 June 2024
  • Thumbnail for Desulfonation reaction
    naphthylsulfonic acids. It is the reverse of sulfonation. The temperature of desulfonation correlates with the ease of the sulfonation. This reactivity is exploited...
    2 KB (191 words) - 15:46, 2 September 2023
  • Thumbnail for Methanesulfonic anhydride
    sulfonatesin satisfactory yields with Ms2O. Examples of aromatic sulfonation with Ms2O: Sulfonation of chlorobenzene resulted in addition of methylsulfonyl group...
    9 KB (735 words) - 02:35, 23 October 2024
  • Thumbnail for Camphor
    been extensively examined. Some representative transformations include sulfonation: oxidation with selenium dioxide to camphorquinone . Camphor can also...
    32 KB (3,043 words) - 12:28, 24 October 2024
  • Thumbnail for Naphthalene
    2-isomer at 160 °C. Sulfonation to give the 1- and 2-sulfonic acid occurs readily: H2SO4 + C10H8 → C10H7SO3H + H2O Further sulfonation give di-, tri-, and...
    37 KB (3,383 words) - 23:32, 16 November 2024
  • Thumbnail for Benzene
    substitution, many functional groups are introduced onto the benzene framework. Sulfonation of benzene involves the use of oleum, a mixture of sulfuric acid with...
    91 KB (9,586 words) - 15:55, 18 November 2024
  • Thumbnail for Alkylbenzene sulfonate
    benzene with 'propylene tetramer' (also called tetrapropylene) followed by sulfonation. Propylene tetramer being a broad term for a mixture of compounds formed...
    11 KB (1,263 words) - 14:02, 30 January 2024
  • Thumbnail for Naphthalene-2-sulfonic acid
    route to aminonaphthalenesulfonic acids. The compound is prepared by sulfonation of naphthalene with sulfuric acid, however under equilibrating conditions...
    3 KB (175 words) - 01:06, 15 May 2024
  • Thumbnail for Sodium 2-anthraquinonesulfonate
    water-soluble anthraquinone derivative. In the laboratory it can be prepared by sulfonation of anthraquinone. AMS is used as a catalyst in the production of alkaline...
    2 KB (93 words) - 13:01, 2 July 2024
  • Thumbnail for Anthraquinone dyes
    nitroanthraquinone (3), which is obtained by sulfonation or nitration of anthraquinone (1). Synthesis of 1-aminoanthraquinone Sulfonation in α position is reversible and...
    7 KB (796 words) - 00:06, 26 February 2024
  • groups to substrates. Often the substrates are organic, as in aromatic sulfonation. For activated substrates, Lewis base adducts of sulfur trioxide are...
    18 KB (1,557 words) - 20:11, 18 October 2024
  • Thumbnail for Ammonium bituminosulfonate
    obtained through three steps from bituminous schists: dry distillation, sulfonation of the resulting oil (or purified fractions thereof), and finally neutralization...
    17 KB (1,529 words) - 22:02, 23 September 2024
  • Thumbnail for Naphthalene-1-sulfonic acid
    sodium hydroxide followed by acidification gives 1-naphthol. Further sulfonation gives 1,5-naphthalene-disulfonic acid. Reduction with triphenylphosphine...
    2 KB (128 words) - 21:36, 25 September 2023
  • Thumbnail for Sodium sulfite
    from discoloring, and for preserving meats. It is used as a reagent in sulfonation and sulfomethylation agent. It is used in the production of sodium thiosulfate...
    7 KB (615 words) - 14:55, 12 August 2024
  • Thumbnail for Primuline
    more sulfur, then a base is formed, which gives primuline yellow upon sulfonation. Primuline yellow is a mixture of sodium salts and probably contains...
    3 KB (245 words) - 04:56, 7 June 2021
  • thiophene shares some similarities. The high reactivity of thiophene toward sulfonation is the basis for the separation of thiophene from benzene, which are...
    23 KB (2,258 words) - 11:33, 16 February 2024
  • Thumbnail for Indigo carmine
    acid sodium salt, is an organic salt derived from indigo by aromatic sulfonation, which renders the compound soluble in water. Like indigo, it produces...
    14 KB (661 words) - 12:15, 14 September 2024
  • Thumbnail for P-Toluenesulfonic acid
    conveniently weighed and stored. TsOH is prepared on an industrial scale by the sulfonation of toluene. Common impurities include benzenesulfonic acid and sulfuric...
    9 KB (640 words) - 16:59, 22 October 2024
  • Thumbnail for Anthraquinone
    dihydroanthraquinone (anthrahydroquinone). Reduction with copper gives anthrone. Sulfonation with sulfuric acid gives anthroquinone-1-sulfonic acid, which reacts...
    9 KB (763 words) - 09:47, 11 June 2024
  • Thumbnail for 2-Naphthol
    Traditionally, 2-naphthol is produced by a two-step process that begins with the sulfonation of naphthalene in sulfuric acid: C10H8 + H2SO4 → C10H7SO3H + H2O The...
    7 KB (535 words) - 00:32, 13 November 2024
  • Thumbnail for Peptide
    post-translational modifications such as phosphorylation, hydroxylation, sulfonation, palmitoylation, glycosylation, and disulfide formation. In general,...
    22 KB (2,418 words) - 23:33, 30 July 2024