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Carbylamine reaction

Description: 34475.png
Description: 35430.png

Hoffmann mustard oil reaction

Description: 35440.png

Hinsberg reaction

Description: 35455.png

Reaction with nitrous acid

  • Primary amines
    Description: 34511.png
    Description: 34521.png
    Description: 34531.png
    Description: 35467.png
    Description: 34540.png
    Description: 35477.png
  • Reactions of diazonium salt
    Description: 35488.png
  • Secondary amines
    Description: 34548.png
    Description: 35498.png
  • Tertiary amines
    Alphatic tertiary amines (3°) do not react with HNO2, whereas aromatic tertiary amines react with HNO2 forming p-nitroso-N,N-dialkylaniline as the major product.
    Description: 35508.png
  • Azo coupling
    Description: 35517.png
    Description: 35584.png

Electrophilic aromatic substitution

  • Halogenation
    Description: 35596.png
  • Sulphonation
    Description: 35608.png
  • Nitration
    Description: 35621.png

Rearrangement reactions

  • HofmannMartius rearrangement
    Description: 35640.png
  • Benzidine rearrangement
    Description: 35679.png

Reaction with diethyl oxalate

1°, 2°, and 3° amines can be distinguished by their reactions with diethyl oxalate. Primary (1°) amines react with diethyl oxalate forming N,N-oxamide, which is a solid.
Description: 35663.png
Secondary (2°) amines react with diethyl oxalate forming oxamic ester, which is a liquid.
Description: 34567.png
Tertiary (3°) amines do not react with diethyl oxalate.

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