ALDOL CONDENSATION

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SAR of Morphine and its analogues

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CLASSIFICATION OF ORGANIC COMPOUNDS

Organic chemistry is defined as the study of carbon compounds.

Carbon shows "catenation" property, which is resonsible for large number of organic compounds.

Classification is based on the structure and functional group.

Classification is based on the structure:

ACYCLIC: 

Carbon atoms are linked together to form open chain is called Acyclic.

It is of two types:

i) Straight 

       eg: propane, butane, etc

ii) Branched

       eg: isobutane, isopentane, neopentane, etc 

CYCLIC:

Carbon atims are linked togther to form atleast one ring is called Cyclic.

It is of two types:

i) Homocyclic

ii) Heterocyclic

i) Homocyclic:

Rings of carbon and hydrogen atoms only.

It is of two types:

a) Alicyclic
        eg: cyclopropane, cyclobutane, etc

b)Aromatic
        eg: Benzene, Biphenyls, etc 

a) Alicyclic:

Rings of 3 or more carbon atoms and resembles the properties of Aliphatic compounds.
       eg: cyclopropane, cyclobutane, etc

b) Aromatic:

Gives aromatic fragrance and alternate single and double bonds are present.

It is again classified into two types:

I) Benzenoids

II) Non-Benzenoids

I) Benzenoids:

It should consists atleast one benzene ring and alternate double bonds.
       eg: Benzene, Toulene, etc

II)Non-Benzenoids:

It has the different structure from benzene but have the same stability.
       eg: Azulene

ii) Heterocyclic:

Ring contains one or more heteroatoms like O,N, S, P etc.

It is of two types:

a) Alicyclic
        eg: oxirone, tetrahydrofuran, etc

b)Aromatic
        eg: Pyridine, furan, etc

a) Alicyclic:

Rings of 3 or more carbon atoms and resembles the properties of Aliphatic compounds.
       eg: oxirone, tetrahydrofuran, etc

b) Aromatic:

Gives aromatic fragrance and alternate single and double bonds are present.
        eg: Pyridine, furan, etc

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