Preparation of Phenols

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Preparation of Phenols

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Phenol is also called Carbolic acid. It was first isolated from coal Tar. But nowadays it can be manufactured synthetically

(1) From Benzene Sulphonic Acid

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(2) From Diazonium Salts

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(3) From Grignard Reagent

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(4) By decarboxylation of Sodium salt of Salicylic acid

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(5) From Cumene

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(6) From Benzene (Rachig’s Method)

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(7) From ChloroBenzene (Dow’s Process)

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