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Which branch of organic chemistry deals with the synthesis, properties, and applications of organic heterocycles?
Which branch of organic chemistry deals with the synthesis, properties, and applications of organic heterocycles?
- Heterocyclic organic chemistry (correct)
- Organic unsaturated chemistry
- Organic saturated chemistry
- Organic inorganic chemistry
What percentage of known compounds are heterocycles?
What percentage of known compounds are heterocycles?
- 75%
- 25%
- 50%
- 59% (correct)
Which of the following is an example of a fused benzene derivative of pyrrole?
Which of the following is an example of a fused benzene derivative of pyrrole?
- Furan
- Quinoline (correct)
- Thiophene
- Indole
Which heterocyclic ring system is mainly of theoretical interest?
Which heterocyclic ring system is mainly of theoretical interest?
What is the recommended nomenclature for naming heterocyclic compounds?
What is the recommended nomenclature for naming heterocyclic compounds?
Which compound is a five-membered ring containing two heteroatoms, one of which is sulfur?
Which compound is a five-membered ring containing two heteroatoms, one of which is sulfur?
What is the name of a six-membered ring with three nitrogen heteroatoms and three boron heteroatoms?
What is the name of a six-membered ring with three nitrogen heteroatoms and three boron heteroatoms?
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Study Notes
Heterocyclic Chemistry
- Heterocyclic chemistry deals with the synthesis, properties, and applications of organic heterocycles.
- Approximately 50-60% of known compounds are heterocycles.
Fused Benzene Derivatives
- Indole is an example of a fused benzene derivative of pyrrole.
Theoretical Interest
- The oxepin heterocyclic ring system is mainly of theoretical interest.
Nomenclature
- The recommended nomenclature for naming heterocyclic compounds is according to the Hantzsch-Widman system.
Five-Membered Rings
- Thiazole is a five-membered ring containing two heteroatoms, one of which is sulfur.
Six-Membered Rings
- Borazine is a six-membered ring with three nitrogen heteroatoms and three boron heteroatoms.
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