Carboxylic Acids Esters, Amines and Amides - PowerPoint PPT Presentation

1 / 24
About This Presentation
Title:

Carboxylic Acids Esters, Amines and Amides

Description:

Organic compounds of nitrogen N. Classified as primary, secondary, ... Many are addictive. 8. Nicotine. 9. Caffeine. 10. Procaine. 11. Leaning Check AM2 ... – PowerPoint PPT presentation

Number of Views:749
Avg rating:3.0/5.0
Slides: 25
Provided by: Timb185
Category:

less

Transcript and Presenter's Notes

Title: Carboxylic Acids Esters, Amines and Amides


1
Carboxylic Acids Esters, Amines and Amides
  • Amines
  • Reactions of Amines
  • Amides
  • Reactions of Amides

2
Amines
  • Organic compounds of nitrogen N
  • Classified as primary, secondary, tertiary
  • CH3 CH3
  • ? ?
  • CH3NH2 CH3NH CH3N CH3
  • 1 2 3

3
Naming Amines
  • IUPAC aminoalkane Common alkylamine
  • CH3CH2NH2 CH3NH CH3
  • aminoethane N-methylaminomethane
  • (ethylamine) (dimethylamine)
  • NH2
  • CH3CHCH3
  • 2-aminopropane Aniline N-methylaniline
  • (isopropylamine)

4
Learning Check AM1
  • Give the common name and classify
  • A. CH3NHCH2CH3
  • CH3
  • B. CH3CH2NCH3

5
Solution AM1
  • A. CH3NHCH2CH3
  • ethylmethylamine, 2
  • CH3
  • CH3CH2NCH3
  • ethyldimethylamine, 3

6
Reactions of Amines
  • Act as weak bases in water
  • CH3NH2 H2O CH3NH3 OH
  • methylammonium hydroxide
  • Neutralization with acid gives ammonium salt
  • CH3NH2 HCl CH3NH3 Cl
  • methylammonium chloride

7
Alkaloids
  • Physiologically active nitrogen-containing
    compounds
  • Obtained from plants
  • Used as anesthetics, antidepressants, and
    stimulants
  • Many are addictive

8
Nicotine
9
Caffeine
10
Procaine
11
Leaning Check AM2
  • Write a structural formula for
  • 2-aminopentane
  • B. 1,3-diaminocyclohexane

12
Solution AM2
  • A. 1-aminopentane
  • CH3CH2CH2CH2CH2-NH2
  • B. 1,3-diaminocyclohexane

13
Amides
  • Derivatives of carboxylic acids where an amino
    (-NH2) group replaces the OH group.
  • O O
  • ?? ??
  • CH3 COH CH3 CNH2
  • carboxylic acid amide
  • acetic acid acetamide

14
Naming Amides
  • Alkanamide from acid name
  • O
  • ?? methanamide (IUPAC)
  • HCNH2 formamide (common)
  • O
  • ?? propanamide (IUPAC)
  • CH3CH2CNH2 propionamide(common)

15
Naming Amides with N-Groups
  • O
  • ??
  • CH3CNHCH3 N-methylethanamide (IUPAC)
  • N-methylacetamide (common)
  • O
  • ??
  • CH3CH2CN(CH3)2
  • N,N-dimethylpropanamide
  • N,N-dimethylpropionamide

16
Aromatic Amides

17
Learning Check AM3
  • Name the following amides
  • O
  • ??
  • A. CH3CH2CH2CNH2
  • O
  • ??
  • B. CH3CN(CH2CH3)2

18
Solution AM3
  • O
  • ??
  • A. CH3CH2CH2CNH2
  • butanamide butryamide (common)
  • O
  • ??
  • B. CH3CN(CH2CH3)2
  • N,N-diethylethanamide
  • N,N-diethylacetamide

19
Learning Check AM4
  • Draw the structures of
  • A. Pentanamide
  • B. N-methylbutyramide

20
Solution AM4
  • A. Pentanamide
  • O
  • ??
  • CH3CH2CH2CH2CNH2
  • B. N-methylbutyramide
  • O
  • ??
  • CH3CH2CH2CNHCH3

21
Reactions of Amides
  • Amides undergo
  • acid hydrolysis base hydrolysis
  • carboxylic acid salt of carboxylic acid
  • ammonium salt and an amine or
    ammonia

22
Reactions of Amides
  • acid hydrolysis O
  • ??
  • O HCl H2O CH3COH NH4Cl
  • ??
  • CH3CNH2 O
  • NaOH ??
  • CH3CO Na NH3
  • base hydrolysis

23
Learning Check AM5
  • Write the products of the hydrolysis of
  • N- ethylpropanamide with NaOH.

24
Solution AM5
  • Hydrolysis of N-ethylpropanamide with NaOH gives
    the following products.
  • O
  • ??
  • CH3CH2CO Na CH3CH2NH2
Write a Comment
User Comments (0)
About PowerShow.com