Cyclic and heterocyclic aromatic compounds - PowerPoint PPT Presentation

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Cyclic and heterocyclic aromatic compounds

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Polycyclic aromatic hydrocarbons 2. Basicity and acidity of the nitrogen heterocycles 3. Chemistry of pyrrole, furan, and thiophene 4. Chemistry of pyridine 2. – PowerPoint PPT presentation

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Title: Cyclic and heterocyclic aromatic compounds


1
Cyclic and heterocyclic aromatic compounds
2

Outline 1. Polycyclic aromatic hydrocarbons 2.
Basicity and acidity of the nitrogen heterocycles
3. Chemistry of pyrrole, furan, and thiophene 4.
Chemistry of pyridine
3

Outline 1. Polycyclic aromatic hydrocarbons 2.
Basicity and acidity of the nitrogen heterocycles
3. Chemistry of pyrrole, furan, and thiophene 4.
Chemistry of pyridine
4
Orientation of the electrophilic substitution on
the example of naphthalene
5
When the reaction system is close to the
equilibrium, substitution is directed to the more
stable ?-position
Naphthalene is more reactive, than benzene
6

Outline 1. Polycyclic aromatic hydrocarbons 2.
Basicity and acidity of the nitrogen heterocycles
3. Chemistry of pyrrole, furan, and thiophene 4.
Chemistry of pyridine
7
2. Basicity and acidity of the nitrogen
heterocycles
8
3. Chemistry of pyrrole, furan, and thiophene
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