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Nitroso
 
 
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Nitroso refers to a functional group
Functional group

In organic chemistry, functional groups are specific groups of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules....
 in organic chemistry
Organic chemistry

Organic chemistry is a discipline within chemistry which involves the science study of the structure, properties, composition, chemical reaction, and preparation of chemical compounds that contain carbon....
 which has the general formula RNO. Nitroso compounds can be prepared by the reduction of nitro compound
Nitro compound

Nitro compounds are organic compounds that contain one or more nitro functional groups . They are often highly explosive, especially when the compound contains more than one nitro group....
s or by the oxidation of hydroxylamine
Hydroxylamine

Hydroxylamine is a reactive chemical with chemical formula NH2OH. It can be considered a hybrid of ammonia and water due to parallels it shares with each....
s. A good example is (CH3)3CNO, known formally as 2-methyl-2-nitrosopropane
2-Methyl-2-nitrosopropane

2-Methyl-2-nitrosopropane is used as a Spin trapping. This molecule traps unstable free radicals to form stable paramagnetic nitroxide radicals that can be detected and analized by electron spin resonance spectroscopy....
, or t-BuNO, which is prepared by the following sequence: 3CNH2 ? (CH3)3CNO2 3CNO2 ? (CH3)3CNHOH 3CNHOH ? (CH3)3CNO (CH3)3CNO is blue and exists in solution in equilibrium
Chemical equilibrium

In a chemical process, chemical equilibrium is the state in which the Activity or concentrations of the reactants and products have no net change over time....
 with its dimer
Dimer

File:Carboxylic acid dimers.pngA dimer is a chemical or biological entity consisting of two identical subunits called monomers, which are held together by either intramolecular forces or weaker intermolecular forces....
, which is colorless, m.p.






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Encyclopedia


Nitroso refers to a functional group
Functional group

In organic chemistry, functional groups are specific groups of atoms within molecules that are responsible for the characteristic chemical reactions of those molecules....
 in organic chemistry
Organic chemistry

Organic chemistry is a discipline within chemistry which involves the science study of the structure, properties, composition, chemical reaction, and preparation of chemical compounds that contain carbon....
 which has the general formula RNO. Nitroso compounds can be prepared by the reduction of nitro compound
Nitro compound

Nitro compounds are organic compounds that contain one or more nitro functional groups . They are often highly explosive, especially when the compound contains more than one nitro group....
s or by the oxidation of hydroxylamine
Hydroxylamine

Hydroxylamine is a reactive chemical with chemical formula NH2OH. It can be considered a hybrid of ammonia and water due to parallels it shares with each....
s. A good example is (CH3)3CNO, known formally as 2-methyl-2-nitrosopropane
2-Methyl-2-nitrosopropane

2-Methyl-2-nitrosopropane is used as a Spin trapping. This molecule traps unstable free radicals to form stable paramagnetic nitroxide radicals that can be detected and analized by electron spin resonance spectroscopy....
, or t-BuNO, which is prepared by the following sequence: 3CNH2 ? (CH3)3CNO2 3CNO2 ? (CH3)3CNHOH 3CNHOH ? (CH3)3CNO (CH3)3CNO is blue and exists in solution in equilibrium
Chemical equilibrium

In a chemical process, chemical equilibrium is the state in which the Activity or concentrations of the reactants and products have no net change over time....
 with its dimer
Dimer

File:Carboxylic acid dimers.pngA dimer is a chemical or biological entity consisting of two identical subunits called monomers, which are held together by either intramolecular forces or weaker intermolecular forces....
, which is colorless, m.p. 80 - 81 °C.

In the Fischer-Hepp rearrangement
Fischer-Hepp rearrangement

The Fischer-Hepp rearrangement is a rearrangement reaction in which an aromatic N-nitroso or nitrosamine converts to a carbon nitroso compound:...
 aromatic 4-nitroso-anilines are prepared from the corresponding nitrosamine
Nitrosamine

Nitrosamines are chemical compounds of the chemical structure R1N-N=O, some of which are cancer....
s. Another named reaction involving a nitroso compound is the Barton reaction
Barton reaction

The Barton Reaction involves the photolysis of a nitrite to form a d-nitroso alcohol. It is named for the British chemist Sir Derek Harold Richard Barton....
.

See also

  • Nitrosamine
    Nitrosamine

    Nitrosamines are chemical compounds of the chemical structure R1N-N=O, some of which are cancer....
    , the functional group with the NO attached to an amine, such as R2N-NO
  • Nitrosobenzene
    Nitrosobenzene

    Nitrosobenzene is the organic compound with the chemical formula C6H5NO. The compound can be viewed as hybrid of singlet oxygen O2 and azobenzene....