1. Organic Chemistry: Functional Groups
21/10/99
Organic Chemistry: Functional Groups

2. Functional Group
Group of atoms that is responsible for the chemical properties of the compound.
Examples:
Alcohols: -OH Hydroxyl Group ol
Organic acids: R- COOH Carboxyl Group.
- oic acid
Aldehydes: R-CHO Carbonyl al

3. Functional Groups D. Ketones: R – CO - R - one
E. Ethers: R – O - R ether
F. Esters: R – COO - R noate
G. Amine: - N-
H. Amides: Formed by the combination of
2 amino acids.

4. No ketones are possible (3 C minimum)
2 Carbon molecules
Alcohols
Ethers
ethanol
dimethyl ether
Acids
Esters
ethanoic acid
methyl methanoate
Aldehydes
Ketones
No ketones are possible (3 C minimum)
ethanal
Amines
Amides
dimethylamine
ethanamide
ethylamine

5. 3 Carbon molecules Alcohols Ethers Acids Esters 1-propanol 2-propanol
Ethyl methyl ether
Propanoic acid
Esters
Methyl ethanoate
Ethyl methanoate

6. 3 Carbon molecules Aldehydes Ketones Amines Amides C H N propanal
2-propanone
Amines
propylamine
trimethylamine
ethylmethylamine C H 3 N 2
Amides
propanamide
isopropylamine

7. 4C alcohols 1-butanol 2-butanol 1-isobutanol, 2-methyl-1-propanol

8. 4C ethers
methyl propyl ether
isopropyl methyl ether
diethyl ether

9. 4C carboxylic acids butanoic acid isobutanoic acid,
2-methylpropanoic acid

10. 4C esters methyl propanoate ethyl ethanoate propyl methanoate
isopropyl methanoate

11. 4C aldehydes
butanal
isobutanal,
2-methylpropanal

12. 4C ketones
2-butanone, (butanone)

13. isopropylmethylamine
4C amines
butylamine
isobutylamine
methylpropylamine
diethylamine
ethyldimethylamine
isopropylmethylamine

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4C amides
butanamide
isobutanamide,
2-methyl-propanamide
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