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CHEMISTRY OF HETEROCYCLIC COMPOUNDS Heterocyclic Chemistry Heterocyclic Chemistry.

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Presentation on theme: "CHEMISTRY OF HETEROCYCLIC COMPOUNDS Heterocyclic Chemistry Heterocyclic Chemistry."— Presentation transcript:

1 CHEMISTRY OF HETEROCYCLIC COMPOUNDS Heterocyclic Chemistry Heterocyclic Chemistry

2 What are carbocyclic compounds? WHAT IS HETEROCYCLIC CHEMISTRY? cyclohexane benzene

3 Carbocyclic Compound Carboxylic Compound Aromatic CompoundCyclic Compound

4 What’s aheterocyclic compound? If the ring system is made up of carbon atoms and at least one other element, the compound can be classified as hetero cyclic. The elements that are found most commonly together with carbon in a ring system are Nitrogen (N), Oxygen(O), and Sulfur(S).

5 Heterocyclic compounds are organic compounds that contain a ring structure containing atoms in addition to carbon, such as sulfur, oxygen or nitrogen, as the heteroatom. Heterocyclic Chemistry

6 It can be classified into Heterocyclic classification Heteroaromatic Heteroalicyclic Heterocyclic compounds X X X X Heterocyclic Chemistry

7 1- Aliphatic heterocycles :- Heterocyclic classification Oxirane Piperidine Heterocyclic Chemistry

8 2- Aromatic heterocycles :- a- six-membered aromatic hetrocycles Pyrimidine Pyridine Heterocyclic Chemistry

9 2- Aromatic heterocycles :- Thiophen b- five-membered aromatic hetrocycles Furan Heterocyclic Chemistry

10 2- Aromatic heterocycles :- c- bicyclic heteroaromatic compounds Indol Quinoline Heterocyclic Chemistry

11 Importantce and uses of Heterocyclic compounds:- Biosynthesized Essential for life ( haem, chlorophyll) Their metabolitis used as - toxin towords off predators - colouring agents to attact mates In general various important compounds such as:- alkaloids, vitamins, antibiotics, essential amino acids, hormones, drugs and dyes contain heterocyclic structure. Heterocyclic Chemistry

12 in general: nucleic acids, amino acids (proteins), feeding: proteins, carbohydrates, vitamins alkaloids: nicotine, caffeine Application: antibiotics (penicillins, sulfonamides) insecticides (triazoles) herbicides (triazines, pyridines) Heterocyclic Chemistry

13 2/3 of all organic compounds are heterocyclic compounds Heterocyclic Chemistry

14 The main focus:- * Five-membered systems containing one heteroatom * Six-membered system containing one heteroatom Heterocyclic Chemistry

15 HETEROCYCLIC NOMENCLAUTURE


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