diazonium - definizione. Che cos'è diazonium
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Cosa (chi) è diazonium - definizione

DIAZONIUM SALTS
Diazonium salt; Diazotisation; Diazonium; Diazotation; Diazonium Salt; Diazonium compounds; Craig method; Diazotization; Aryl diazonium salt; Arenediazonium salts; Arenediazonium salt; Diazonium salts; Metal diazonium complex; Diazo process; Diazonium cation; Diazotating; Conversion of diazonium salt to phenol; Draft:Conversion of Diazonium Salt to Phenol; Conversion of Diazonium Salt to Phenol; Diazo salt; Alkyldiazonium
  • Benzenediazonium cation.
  • Methylation with diazomethane.
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  • Sample of benzenediazonium tetrafluoroborate.
  • 500px

diazonium         
[?d???'z??n??m]
¦ noun [as modifier] Chemistry of or denoting an organic cation containing two nitrogen atoms bonded together, present in many synthetic dyes.
Origin
C19: coined in Ger. from diazo- (indicating the presence of two nitrogen atoms) + the suffix -onium (from ammonium).
Diazonium compound         
Diazonium compounds or diazonium salts are a group of organic compounds sharing a common functional group where R can be any organic group, such as an alkyl or an aryl, and X is an inorganic or organic anion, such as a halide.
Azo coupling         
  • Azo N-coupling
  • Synthesis of C.I. [[Pigment Yellow 12]], a [[diarylide pigment]].
  • Organol brown synthesis
CHEMICAL REACTION
Diazonium coupling; Azo formation; Azocoupling; Azo-coupling; Coupling (chemistry)
In organic chemistry, an azo coupling is an organic reaction between a diazonium compound () and another aromatic compound that produces an azo compound (). In this electrophilic aromatic substitution reaction, the aryldiazonium cation is the electrophile and the activated arene is a nucleophile.

Wikipedia

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, such as an alkyl or an aryl, and X is an inorganic or organic anion, such as a halide.