• Thumbnail for Diazonium compound
    Diazonium compounds or diazonium salts are a group of organic compounds sharing a common functional group [R−N+≡N]X− where R can be any organic group,...
    32 KB (3,458 words) - 18:48, 8 July 2024
  • reaction is a chemical reaction used to synthesize aryl halides from aryl diazonium salts using copper salts as reagents or catalysts. It is an example of...
    16 KB (1,738 words) - 23:46, 1 December 2023
  • In organic chemistry, an azo coupling is an reaction between a diazonium compound (R−N≡N+) and another aromatic compound that produces an azo compound...
    6 KB (706 words) - 05:36, 14 June 2024
  • Thumbnail for Amine
    SO3 -> R2NSO3H}}} Amines reacts with nitrous acid to give diazonium salts. The alkyl diazonium salts are of little importance because they are too unstable...
    35 KB (3,695 words) - 13:58, 6 June 2024
  • Thumbnail for Nitrous acid
    "phlogisticated acid of niter". Nitrous acid is used to make diazonium salts from amines. The resulting diazonium salts are reagents in azo coupling reactions to give...
    12 KB (1,198 words) - 01:04, 22 May 2024
  • which a primary aromatic amine is transformed to an aryl fluoride via a diazonium tetrafluoroborate intermediate. This reaction is a traditional route to...
    7 KB (681 words) - 13:40, 8 July 2024
  • Thumbnail for Urine test strip
    bilirubin. The bilirubin combines with a diazonium salt (2,4-dichloroaniline or 2,6-dichlorobenzene-diazonium-tetrafluoroborate) in an acid medium to produce...
    54 KB (6,376 words) - 08:56, 18 May 2024
  • an aryl-aryl coupling reaction via a diazonium salt. The arene compound (here benzene) is reacted with a diazonium salt in the presence of a base to provide...
    4 KB (482 words) - 11:13, 26 February 2022
  • that with diazonium reagent which if done under controlled conditions can be used to do selective covalent chemistry. Water-soluble diazonium salts react...
    13 KB (1,702 words) - 06:48, 19 May 2024
  • Thumbnail for Whiteprint
    sufficient for many purposes. Two components underpin diazo printing: diazonium salt: a light-sensitive chemical the coupler: a colorless chemical that...
    8 KB (1,192 words) - 13:11, 19 November 2023
  • include: Pigment Yellow 6 (CAS# 2512-29-0), derived from 2-nitrotoluene (diazonium precursor) and aniline (acetoacetanilide precursor) to produce medium...
    3 KB (260 words) - 23:08, 16 January 2024
  • Thumbnail for Aniline
    strongly colored, oxidized impurities. Aniline can be diazotized to give a diazonium salt, which can then undergo various nucleophilic substitution reactions...
    38 KB (4,066 words) - 20:29, 3 June 2024
  • Thumbnail for Benzenediazonium tetrafluoroborate
    is an organic compound with the formula [C6H5N2]BF4. It is a salt of a diazonium cation and tetrafluoroborate. It exists as a colourless solid that is...
    4 KB (308 words) - 04:29, 22 June 2024
  • electron-rich compounds, react with diazonium salts either at a nitrogen or a carbon atom to produce formazans. Diazonium salts couple to the amine nitrogen...
    13 KB (1,408 words) - 13:38, 25 April 2024
  • Thumbnail for Safranin
    green plates[clarification needed]. It can be readily diazotized, and the diazonium salt when boiled with alcohol yields aposafranine or benzene induline...
    7 KB (567 words) - 11:09, 17 October 2023
  • Thumbnail for Meerwein arylation
    Meerwein arylation is an organic reaction involving the addition of an aryl diazonium salt (ArN2X) to an electron-poor alkene usually supported by a metal salt...
    5 KB (540 words) - 11:53, 30 June 2023
  • Thumbnail for Candida tropicalis
    species. This genus no longer includes species that test positive to diazonium blue B (DBB). The defunct genera Oidium and Monilia were used to represent...
    26 KB (2,783 words) - 15:11, 26 February 2024
  • of pharmaceuticals, pesticides, and liquid crystals. The conversion of diazonium salts is a well established route to aryl fluorides. Thus, anilines are...
    16 KB (1,804 words) - 21:38, 3 June 2024
  • with sodium nitrite in the presence of hydrogen chloride to form the diazonium salt, which is subsequently reduced using sodium sulfite in the presence...
    6 KB (358 words) - 19:42, 12 April 2024
  • numerous. A well documented route involves the thermal decomposition of diazonium salts of [BF4]−: [PhN2]+[BF4]− → PhF + BF3 + N2 Alternatively it arises...
    19 KB (1,848 words) - 02:21, 4 March 2024
  • Thumbnail for Haloalkane
    aromatic amines yield diazonium ions in a solution of sodium nitrite. Upon heating this solution with copper(I) chloride, the diazonium group is replaced...
    20 KB (2,413 words) - 13:06, 14 April 2024
  • Thumbnail for Methyl orange
    can be formed from dimethylaniline and sulfanilic acid, first through a diazonium salt formation with the sulfanilic acid, followed by a nucleophilic attack...
    7 KB (603 words) - 15:10, 6 June 2024
  • Thumbnail for Benzene
    and its salts undergo decarboxylation to benzene. The reaction of the diazonium compound derived from aniline with hypophosphorus acid gives benzene....
    90 KB (9,417 words) - 07:53, 9 June 2024
  • Thumbnail for Nucleophilic aromatic substitution
    (addition-elimination) mechanism aromatic SN1 mechanism encountered with diazonium salts benzyne mechanism (E1cB-AdN) free radical SRN1 mechanism ANRORC...
    11 KB (1,262 words) - 11:16, 17 April 2024
  • are: Nitrosation Ketone halogenation Keto-enol tautomerism Aliphatic diazonium coupling Carbene insertion into C-H bonds Carbonyl alpha-substitution...
    2 KB (244 words) - 01:58, 6 April 2023
  • doi:10.1002/anie.199010321. Kuprat, Marcus; Schulz, Axel (2013). "Arsa-Diazonium Salts With an Arsenic–Nitrogen Triple Bond". Angew. Chem. Int. Ed. Engl...
    10 KB (726 words) - 19:59, 15 January 2024
  • (R2C=N2) should not be confused with azo compounds (R−N=N−R) or with diazonium compounds (R−N+2). The electronic structure of diazo compounds is characterized...
    13 KB (1,433 words) - 20:25, 10 June 2024
  • Thumbnail for Cathode-ray tube
    described above. Another method used phosphors suspended in an aromatic diazonium salt that adhered to the screen when exposed to light; the phosphors were...
    265 KB (28,780 words) - 16:18, 8 July 2024
  • Thumbnail for Azo compound
    coupling, which entails an electrophilic substitution reaction where an aryl diazonium cation is attacked by another aryl ring, especially those substituted...
    7 KB (852 words) - 04:24, 4 February 2024
  • Thumbnail for Benzidine
    the bis(diazonium) salt was once an integral step in the preparation of direct dyes (requiring no mordant). Treatment of this bis(diazonium) salt with...
    8 KB (619 words) - 18:48, 5 October 2023