Define a heterocyclic compound.

Organic and Heterocyclic Chemistryh

GENERAL OBJECTIVES:

1. Know the sources, preparations, properties and uses of heterocyclic aromatic compounds

2. Know some named organic reactions involved in synthesis degradation and re-arrangement of organic compounds

3. Know some synthetic methods and reagents

4. Understand the chemistry of organometallic compounds

1.1 Define a heterocyclic compound.

1.2 List the main hetero atoms as N, O and S.

1.3 List examples of 5 membered non aromatic monoheteocyclic compounds: tetrahydrofuran, tetrahtdrothiophene and pyrolidine

1.4 List examples of 5 membered aromatic monoheteocyclic compounds - furan, pyrrole and thiophene.

1.5 Give an example of 6 membered monoheterocyclic compounds - pyridine.

1.6 Draw the structures of furan, thiophene, pyrrole and pyridine.

1.7 State Hantzch Widman rules for naming heterocyclic compounds

1.8 Name heterocyclic compounds applying the rules above.

1.9 Explain the basicity of pyridine, pyrrole and pyrolidine

1.10 Explain why aromaticity increases in the order: furan pyrrole, thiophene, benzene, pyridine.