Organic chemistry - Chapter 13: Amines-diazonium salts - Nam Phan
Substituents are listed in alphabetical order,
regardless of whether they are attached to the
nitrogen or the hydrocarbon
It is possible to selectively reduce just 1 of 2
nitro groups using S2-
• H
2 /Pd, Fe/HCl… will reduce both nitro grou
regardless of whether they are attached to the
nitrogen or the hydrocarbon
It is possible to selectively reduce just 1 of 2
nitro groups using S2-
• H
2 /Pd, Fe/HCl… will reduce both nitro grou
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Nội dung text: Organic chemistry - Chapter 13: Amines-diazonium salts - Nam Phan
- Chapter 13: AMINES-DIAZONIUM SALTS 2
- IUPAC names: alkan + amine 4
- PREPARATIONS OF AMINES Alkylation of ammonia 6
- Amines by reduction 8
- 1:1 molar ratio • It is possible to selectively reduce just 1 of 2 nitro groups using S2- • H2 /Pd, Fe/HCl will reduce both nitro groups10
- Amines by Hoffman Rearrangement Have 1 less carbon atom 12
- REACTIONS OF AMINES Reactions with primary amines 14
- Reactions with carboxylic acid derivatives 16
- The Hofmann elimination reaction Quaternary ammonium hydroxide formation 18
- Oxidation reactions Amines can be oxidized by hydrogen peroxide, peroxyacids, other common oxidizing agents 20
- Mechanism: 22
- Alkyl diazonium salt is NOT stable 24
- This Cl is from CuCl 26
- Preparation of phenol from diazonium salt 28
- Electron- Azo coupling reactions donating group Electrophilic aromatic substitution Substitution will occur at 1 ortho position if the para is blocked 30
