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...

coupling is a reaction between a diazonium compound (R−N≡N+) and another aromatic compound that produces an azo compound (R−N=N−R’). In this electrophilic...

diazo compound is diazomethane, CH2N2. Diazo compounds (R2C=N2) should not be confused with azo compounds (R−N=N−R) or with diazonium compounds (R−N+2)...

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...

Aromatic azo compounds can be synthesized by azo coupling, which entails an electrophilic substitution reaction where an aryl diazonium cation is attacked...

fluoride. An alternative methodology produces the fluoride salt of the diazonium compound. In this implementation, the diazotization is conducted with a solution...

achieved via a para-selective nitration, followed by conversion to a diazonium compound and a Sandmeyer reaction to insert the chlorine into the 2-position...

an aryl diazonium salt (ArN2X) to an electron-poor alkene usually supported by a metal salt. The reaction product is an alkylated arene compound. The reaction...

its salts undergo decarboxylation to benzene. The reaction of the diazonium compound derived from aniline with hypophosphorus acid gives benzene. Alkyne...

strongly colored, oxidized impurities. Aniline can be diazotized to give a diazonium salt, which can then undergo various nucleophilic substitution reactions...

fluoroboric acid), including H+·(H2O)n ("hydronium"), H+·(Et2O)n Diazonium compounds (ArN+ 2). Meerwein reagents such as OEt+ 3, the strongest commercial...

synthetically by converting p-aminobenzamide into the corresponding diazonium compound followed by coupling with 3-hydroxy-2-naphththoic acid (2-ethoxy)anilide...

urobilinogen with para-dimethylaminobenzaldehyde, or interaction with a diazonium compound to produce a colored product. Test strips that use Ehrlich's reagent...

nitriles are often prepared in the laboratory from the aniline via diazonium compounds. This is the Sandmeyer reaction. It requires transition metal cyanides...

color. In a related sense, the process relies on two properties of diazonium compounds: they are deactivated by light, i.e. they degrade irreversibly to...

reacts with nitrous acid to form diazonium salt, which can undergo coupling reaction to form an azo compound. As azo-compounds are highly coloured, they are...

thioacetals. Thiophenols are produced by S-arylation or the replacement of diazonium leaving group with sulfhydryl anion (SH−): ArN+ 2 + SH− → ArSH + N2 Alkyl...

([H2C=N(−H)(−OH)]+Cl−). It is a reagent in organic synthesis for the conversion of aryl diazonium salts to aryl aldehydes.m It is generated by combining hydroxylamine and...

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...

active methylene compounds with diazonium salts. Diazonium salts add to active methylene compounds to form an intermediate azo compound, followed by the...

discovering the Japp–Klingemann reaction for synthesizing hydrazones and diazonium compounds The two-day Battle of al-Mazraa began in Syria as 500 Druze and Bedouin...

acid catalyst iron(III) bromide. They may also be prepared from diazonium compounds. Bromobenzenes may be carboxylated into carboxylic acids using carbon...

Benzenediazonium tetrafluoroborate is an organic compound with the formula [C6H5N2]BF4. It is a salt of a diazonium cation and tetrafluoroborate. It exists as...

coupled with two equiv of the diazonium salt obtained from 2,4-dichloroaniline. Although it is often depicted as an azo compound, X-ray crystallography shows...

presence of mercury(II) salts. Hg(II) can be alkylated by treatment with diazonium salts in the presence of copper metal. In this way 2-chloromercuri-naphthalene...

of pharmaceuticals, pesticides, and liquid crystals. The conversion of diazonium salts is a well established route to aryl fluorides. Thus, anilines are...

Citrates Gluconates Maleates Sorbates Stearates Lactates Glycerates Urates Diazonium salts Iminium salts Phosphinates Organophosphates Mesylates Bechgaard...

as yellow road marking on highways in the US. The compound is synthesized by coupling the diazonium salt derived from dichloroaniline with the pyrazolone...

(addition-elimination) mechanism aromatic SN1 mechanism encountered with diazonium salts benzyne mechanism (E1cB-AdN) free radical SRN1 mechanism ANRORC...

with sodium nitrite in the presence of hydrogen chloride to form the diazonium salt, which is subsequently reduced using sodium sulfite in the presence...