'Grignard reaction' diaporamas de présentation

Chapter 17: Alcohols and Phenols

Chapter 17: Alcohols and Phenols. Dr. Sivappa Rasapalli Chemistry and Biochemistry University of Massachusetts Dartmouth. Coverage and Objectives. Coverage: 1. Structure and Bonding; Physical Properties of Alcohols 2. Acidity of Alcohols and Phenols

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Alcohols

Alcohols. Biological Activity Nomenclature Preparation Reactions. Some Alcohols. Alcohols are Found in Many Natural Products. Paralytic Shellfish Poisoning. Ethanol: the Beverage. Methanol: Not a Beverage. Oxidation levels of oxygen- halogen- and nitrogen- containing molecules.

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Alcohols

Alcohols. Biological Activity Nomenclature Preparation Reactions. Some Alcohols. Alcohols are Found in Many Natural Products. Paralytic Shellfish Poisoning. Ethanol: the Beverage. Methanol: Not a Beverage. Oxidation levels of oxygen- halogen- and nitrogen- containing molecules.

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Chapter 18 : Ketones and Aldehydes

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Alcohols

Alcohols. Dr. Sheppard CHEM 2412 Fall 2014 McMurry (8 th ed.) sections 10.5-6, 17.2-8, 17.11. Alcohols. Important in synthesis Easily converted to or prepared from other functional groups Used as solvents Especially low molecular weight alcohols Types of alcohols:

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Two main types: Thin-Layer Chromatography (TLC) Column Chromatography (CC) Uses:

Chromatography. Chromatography is a technique in which compounds in a mixture are separated based on differing affinities between a mobile phase and a stationary phase. Two main types: Thin-Layer Chromatography (TLC) Column Chromatography (CC) Uses:

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Over all Goals

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Lecture 12b

Lecture 12b. Protective group chemistry. Problems. The need of protective groups arises from the poor chemoselectivity of many reagents The use of protective groups usually adds two (or more) steps to the reaction sequence This generates additional cost and additional waste

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Lecture 9a

Lecture 9a. Protective group chemistry. The Problem. The need of protective groups arises from the low chemoselectivity of many reagents used in synthetic organic chemistry The main problem is that the use of protective groups usually adds two (or more) steps to the reaction sequence

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Synthetic route

Synthetic route. To make:. Start with:. USING A GRIGNARD REACTION!. Clickers: which sequence would be a workable route to the required Grignard reagent?. A:. B:. C:. Clickers: which sequence would be a workable route to the required Grignard reagent?. A:. B:. C:. Clickers:.

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