'Nucleophilic addition' presentation slideshows

Chapter 17 Aldehydes and Ketones. Nucleophilic Addition to the Carbonyl Group

Chapter 17 Aldehydes and Ketones. Nucleophilic Addition to the Carbonyl Group. 17.4 Sources of Aldehydes and Ketones. Synthesis of Aldehydes and Ketones. A number of reactions already studied provide efficient synthetic routes to aldehydes and ketones. From alkenes: Ozonolysis (6.20)

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Keto-enol tautomerization

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Chapter 9: Aldehydes and Ketones

Chapter 9: Aldehydes and Ketones. The Civet Cat is the original source of civetone , a sweet and pungent ketone used as a fixative in perfumery. Aldehydes and ketones are found in many fragrant odors of many fruits, fine perfumes, hormones etc. some examples are listed below.

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Chapter 18 : Ketones and Aldehydes

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intro

Electrophilic reactions. The electrophilic step: leads to carbocation intermediate. thus, carbocation stability is key!. intro. electrophilic C-C bond-forming steps. 15.1. next, we can get nucleophilic addition:. 15.1. or, carbocation intermediate can be deprotonated: .

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Aldehydes and Ketones: Nucleophilic Addition Reactions

Aldehydes and Ketones: Nucleophilic Addition Reactions. Aldehydes and Ketones. Aldehydes and ketones are characterized by the the carbonyl functional group (C=O) The compounds occur widely in nature as intermediates in metabolism and biosynthesis

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Chapter 19 Aldehydes and Ketones: Nucleophilic Addition Reactions

Chapter 19 Aldehydes and Ketones: Nucleophilic Addition Reactions. Aldehydes and Ketones. Aldehydes (RCHO) and ketones (R 2 CO) are characterized by the carbonyl functional group (C=O) The compounds occur widely in nature as intermediates in metabolism and biosynthesis. Why this Chapter?.

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Chapter 19. Aldehydes and Ketones: Nucleophilic Addition Reactions

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Chapter 12

Alcohols from Carbonyl Compounds Oxidation-Reduction & Organometallic Compounds. Chapter 12. Aldehyde. Ketone. Carboxylic acid. Ester. Amide. Structure of the Carbonyl Group. Carbonyl compounds. Structure. Carbonyl carbon: sp 2 hybridized Planar structure.

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Chapter 9

Chapter 9. Aldehydes and Ketones: Nucleophilic Addition Reactions. Chemistry of the Carbonyl Group. O Carbonyl group , ? C ?, (C=O). O Acyl group, R ? C ?, (-COR). Carbonyl compounds can be classified into two categories:.

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Chapter 20: Enols and Enolates

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CONTENTS Prior knowledge Bonding in carbonyl compounds Structural differences

ALDEHYDES & KETONES. CONTENTS Prior knowledge Bonding in carbonyl compounds Structural differences Nomenclature Preparation Identification Oxidation Nucleophilic addition Reduction 2,4-dinitrophenylhydrazine. ALDEHYDES & KETONES.

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OPTICAL ISOMERISM

OPTICAL ISOMERISM. OPTICAL ISOMERISM. Occurrence another form of stereoisomerism occurs when compounds have non-superimposable mirror images Isomers the two different forms are known as optical isomers or enantiomers they occur when molecules have a chiral centre

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THE CHEMISTRY OF ALDEHYDES AND KETONES

THE CHEMISTRY OF ALDEHYDES AND KETONES. ALDEHYDES & KETONES. CONTENTS Bonding in carbonyl compounds Structural differences between aldehydes and ketones Drawing aldehydes and ketones Nomenclature of aldehydes and ketones Physical properties of aldehydes and ketones

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Ketones

Ketones. William, Nanda, Hafiz & Mio. Introduction. Alcohols are found in two forms: Primary: -OH group attached at the end of the chain. Secondary: -OH group attached to a carbon atom not located at the end of the chain. Formation of ketones.

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REACTIONS OF AlDEHYDES AND KETONES

REACTIONS OF AlDEHYDES AND KETONES. L.O.: Outline the mechanism for nucleophilic addition reaction of aldehydes and ketones with hydrides.

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Synthesis of Ketones From Acids

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17.6 Nucleophilic Addition to a and b -Unsaturated Aldehydes and Ketones

Main Menu. 17.6 Nucleophilic Addition to a and b -Unsaturated Aldehydes and Ketones. Two electron deficient sites. Electron rich (Lewis base, Nu). d -. d +. d +. Electron deficient (Lewis acid, E + ). General Reaction for 1,2-Addition:.

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Chapter 17: Carbonyl Compounds Part II

Chapter 17: Carbonyl Compounds Part II. Reaction of Ketones and Aldehydes. Content. 17.1 Nomenclature of Aldehydes and Ketones. 17.2 How Aldehydes and Ketones React (Part I). 17.3 How Aldehydes and Ketones React (Part II). 17.4 How Aldehydes and Ketones React (Part III).

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