Alcohols < < Nomenclature < < Properties < < Preparation < < Reactions < < Spectroscopy.

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Presentation transcript:

Alcohols < < Nomenclature < < Properties < < Preparation < < Reactions < < Spectroscopy

Alcohol Nomenclature IUPACCommonCarbinol

Preparation Reactions  Reduction of carbonyl compounds  Hydration of Alkenes  Grignard reactions

Reduction of Carbonyl Compounds Reduction of Aldehydes/ketones Reduction of Aldehydes/ketones Reduction of Carboxylic acids/Esters Reduction of Carboxylic acids/Esters

Reduction of Aldehydes/Ketones Hydrogenation

Hydride Reductions

Reduction of Carboxylic Acids and Esters Lithium Aluminum Hydride Reduction

Hydration of Alkenes   Acid catalyzed Hydration   Oxymercuration-Demercuration   Hydroboration-Oxidation

Acid-Catalyzed Hydration of Alkenes  Markovnikov addition  Formation of most stable carbocation  Shifts/rearrangements possible

Hydration of Alkenes via Oxymercuration/Demercuration Y Markovnikov addition Y Typically no shifts/rearrangements Y Mercurinium ion involvement

Hydroboration-Oxidation of Alkenes  Anti-Markovnikov addition  No shifts/rearrangements  Syn addition

Grignard Addition Reactions Addition to Aldehydes/Ketones Addition to Aldehydes/Ketones Addition to Esters Addition to Esters Addition to Epoxides Addition to Epoxides

Grignard Additions to Aldehydes/Ketones Formation of primary, secondary, and tertiary alcohols

Grignard Additions to Esters Formation of secondary and tertiary alcohols

Grignard Addition to Epoxides

Typical Alcohol Reactions  Salt formation  Dehydration  Oxidation  Alkyl halide formation  Ester formation  Ether synthesis  Periodic acid cleavage of glycols  Haloform reaction of methyl carbinols  THP acetal formation

Conversion of Alcohols to Salts Reaction with Active Metals

Dehydration of Alcohols

Oxidation of Alcohols

Alcohol Conversion to Alkyl Halides  Reaction with Hydrogen halides  Reaction with Thionyl chloride  Reaction with Phosphorus trihalides or pentahalides

Hydrogen Halide Conversion of Alcohols to Alkyl Halides

Conversion of Alcohols to Alkyl Chlorides via Thionyl Chloride

Conversion of Alcohols to Alkyl Halides via Phosphorus Halides

Ester Formation from Alcohols

Periodic Acid Cleavage of Glycols

Haloform Reaction Methyl carbinol cleavage to give Carboxylic acids and Haloform

Disguising an Alcohol Creating a tetrahydropyranyl acetal

Spectroscopic Characteristics of Alcohols  Infrared  Pmr  Cmr

EthersEthers H Nomenclature H Properties H Preparation H Reactions H Nomenclature H Properties H Preparation H Reactions

Ether Nomenclature

Preparation of Ethers Dehydration of Alcohols Dehydration of Alcohols Williamson synthesis Williamson synthesis Alkoxymercuration- Demercuration Alkoxymercuration- Demercuration Peroxyacid Epoxidation of Alkenes

Ether Formation via Acid Catalyzed Dehydration of Alcohols

Williamson Synthesis of Ethers Bimolecular Substitution by Alkoxide on a suitable substrate

Alkoxymercuration- Demercuration of Alkenes Y Markovnikov Addition Y Typically no rearrangements/shifts Y Mercurinium ion involvement

Epoxidation of Alkenes Prilezhaev reaction

Ether Reactions Y HX Cleavage Y Epoxide Ring Opening

HX Cleavage of Ethers Unimolecular or Bimolecular Cleavage Pathways

Epoxide Ring Opening Unimolecular or Bimolecular