Topic_2.2_Alkene - Alkenes Nomenclature of Alkenes Naming...

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Unformatted text preview: Alkenes Nomenclature of Alkenes Naming of Cycloalkenes Geometric Isomers Properties of Alkenes Synthesis of Alkenes Principal Reactions of Alkenes Unsaturated Hydrocarbon - Alkenes Chapter 2.2 Introduction Classification of Hydrocarbon Classification of Hydrocarbon Classification of Hydrocarbon Classification of Hydrocarbon Hydrocarbon Hydrocarbon Hydrocarbon Hydrocarbon Aliphatic Aliphatic Aliphatic Aliphatic Aromatic Aromatic Aromatic Aromatic Alkanes Alkanes Alkanes Alkanes Alkenes Alkenes Alkenes Alkenes Alkynes Alkynes Alkynes Alkynes Cycloalkanes Cycloalkanes Cycloalkanes Cycloalkanes Cycloalkenes Cycloalkenes Cycloalkenes Cycloalkenes Saturated Saturated Saturated Saturated Unsaturated Unsaturated Unsaturated Unsaturated Hydrocarbons Hydrocarbons Hydrocarbons Aliphatic Aliphatic Aliphatic Alkenes Alkenes Alkenes Alkenes are hydrocarbons that contain a carbon- carbon double bond. C C C C H H H H H H H H Hydrocarbons Hydrocarbons Hydrocarbons Aliphatic Aliphatic Aliphatic CycloAlkenes CycloAlkenes CycloAlkenes Alkenes whose carbon atoms are joined in rings . Alkenes Unsaturated hydrocarbon Contain carbon carbon double bonds Alkenes General formula Aliphatic hydrocarbons CYCLOALKENES Alkenes whose carbon atoms are joined in rings General formula C n H 2n-2 where n =3,4,5.. Eg: Cyclopentene C 5 H 8 Cyclobutene C 4 H 6 CH 3 CH 3 1,3- dimethylcyclopentene Naming Alkenes We must account for double bond: Longest chain must contain the double bond Number of carbons so that the double bond has the lowest number Indicate the position of the double bond Change ending to - ene use the same rules for the side chains and halides The ending of the alkenes with more than one double bond should be change from -ene to: diene if there are two double bonds triene if there are three double bonds CH 2 CH 3 C H 2 1 CH 2 4 1,3-butadiene C H 2 1 C H 2 C H 3 C H 4 C H 5 C H 6 C H 3 7 1,3,5-heptatriene 1)...
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This note was uploaded on 05/08/2011 for the course ACCOUNTING 121210 taught by Professor Sdasdas during the Spring '10 term at Albany College of Pharmacy and Health Sciences.

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Topic_2.2_Alkene - Alkenes Nomenclature of Alkenes Naming...

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