Method of Preparation of Alcohols

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Method of Preparation of Alcohols

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There are various methods of preparation of alcohols. Here are discussed many ways to prepare alcohols.

(1) From Haloalkanes

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(2) By Reduction of Aldehydes and ketones

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(3) By Reduction of Carboxylic acid and esters

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** Tertiary alcohols cannot be obtained by reduction of Acids or esters

(4) From Grignard Reagent

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– Formaldehyde gives primary alcohol

– Aldehydes gives secondary alcohol

– Ketones gives Tertiary alcohols

– Esters give secondary and Tertiary alcohols

(5) By hydrolysis of esters

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(6) By hydration of alkenes

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(7) Oxymercuration and Demercuration of Alkenes

 

 

 

 

 

 

 

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(8) Hydroboration – Oxidation of Alkenes

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(9) By Opening Epoxides

 

 

 

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(10) By Aliphatic Primary Amines

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