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The reaction of the surface with a solution of diazonium salt in acetonitrile for 2 hours in the dark is a spontaneous process through a free radical mechanism: [42] Diazonium salt application silicon wafer. So far grafting of diazonium salts on metals has been accomplished on iron, cobalt, nickel, platinum, palladium, zinc, copper and gold ...
The Gomberg–Bachmann reaction, named for the Russian-American chemist Moses Gomberg and the American chemist Werner Emmanuel Bachmann, is an aryl-aryl coupling reaction via a diazonium salt. [1] [2] [3] The arene compound (here benzene) is reacted with a diazonium salt in the presence of a base to provide the biaryl through an intermediate ...
The tetrafluoroborate can be obtained from crude benzenediazonium chloride by salt metathesis using tetrafluoroboric acid. [C 6 H 5 N 2]Cl + HBF 4 → [C 6 H 5 N 2]BF 4 + HCl. The tetrafluoroborate is more stable than the chloride. [2]
N-(1-Naphthyl)ethylenediamine dihydrochloride is widely used in the quantitative analysis of nitrate and nitrite in water samples by colorimetry.It readily undergoes a diazonium coupling reaction in the presence of nitrite to give a strongly colored azo compound.
The Meerwein arylation is an organic reaction involving the addition of an aryl diazonium salt (ArN 2 X) to an electron-poor alkene usually supported by a metal salt. [1] The reaction product is an alkylated arene compound. The reaction is named after Hans Meerwein, one of its inventors who first published it in 1939. Meerwein arylation
This page was last edited on 9 February 2024, at 18:38 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
309.21 g mol −1 (Na salt) 287.23 g mol −1 (acid) ... Alizarine Yellow R is produced by azo coupling of salicylic acid and diazonium derivative of 4-Nitroaniline ...
[8] [9] The diazotization reaction can be effected with nitrosonium salts such as [NO]SbF 6 without isolation of the diazonium intermediate. [2] As a practical matter, the traditional Balz–Schiemann reaction consumes relatively expensive BF 4-as a source of fluoride. An alternative methodology produces the fluoride salt of the diazonium compound.
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