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Aldehyde

Organic Chemistry Lecture 18

Subject: 
Chemistry
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Chemistry
Organic chemistry
Functional groups
Ketone
Carbonyl group
Aldehyde
Grignard reaction
Wittig reaction
Hemiacetal
Acetal
Alkene
Alcohol

Chapter 18 ?2010, Prentice Hall Organic Chemistry, 7th Edition L. G. Wade, Jr. Ketones and Aldehydes Chapter 18 * Carbonyl Compounds Chapter 18 Chapter 18 * Carbonyl Structure Carbon is sp2 hybridized. C?O bond is shorter, stronger, and more polar than C?C bond in alkenes. Chapter 18 Chapter 18 * Ketone Nomenclature Number the chain so that carbonyl carbon has the lowest number. Replace the alkane -e with -one. 3-methyl-2-butanone 4-hydroxy-3-methyl-2-butanone C H 3 C O C H C H 3 C H 3 C H 3 C O C H C H 3 C H 2 O H 1 2 3 4 1 2 3 4 Chapter 18 Chapter 18 * Ketone Nomenclature (Continued) For cyclic ketones, the carbonyl carbon is assigned the number 1. 3-bromocyclohexanone O B r 1 3 Chapter 18 Chapter 18 * C H 3 C H 2 C H C H 3 C H 2 C H O Aldehydes Nomenclature

Organic Chemistry Lecture 11

Subject: 
Chemistry
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Chemistry
Organic chemistry
Functional groups
Alcohol
Lucas' reagent
Alkene
Ester
Pyridinium chlorochromate
Tosyl
Phosphorus tribromide
Aldehyde
Ether

Chapter 11 Reactions of Alcohols ?2010, Prentice Hall Organic Chemistry, 7th Edition L. G. Wade, Jr. Chapter 11 * Types of Alcohol Reactions Dehydration to alkene Oxidation to aldehyde, ketone Substitution to form alkyl halide Reduction to alkane Esterification Tosylation Williamson synthesis of ether Chapter 11 Chapter 11 * Summary Table Chapter 11 Chapter 11 * Oxidation States Easy for inorganic salts: CrO42- reduced to Cr2O3. KMnO4 reduced to MnO2. Oxidation: Gain of O, O2, or X2; loss of H2. Reduction: Gain of H2 (or H-); loss of O or O2; and loss of X2. The gain or loss of H+, H2O, HX, etc. is neither an oxidation nor a reduction. Chapter 11 Chapter 11 * Oxidation States of Carbons Chapter 11 Chapter 11 *

Organic Chemistry Lecture 9

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Chemistry
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Chemistry
Organic chemistry
Functional groups
Alkyne
Alkene
Hydroboration
Haloalkane
Aldehyde
Vinyl cation
Acetylene
Acetylide
Electrophile

Chapter 9 ? 2010, Prentice Hall Organic Chemistry, 7th Edition L. G. Wade, Jr. Alkynes Chapter 9 * Introduction Alkynes contain a triple bond. General formula is CnH2n-2. Two elements of unsaturation for each triple bond. Some reactions resemble the reactions of alkenes, like addition and oxidation. Some reactions are specific to alkynes. Chapter 9 Chapter 9 * Nomenclature: IUPAC Find the longest chain containing the triple bond. Change -ane ending to -yne. Number the chain, starting at the end closest to the triple bond. Give branches or other substituents a number to locate their position. Chapter 9 Chapter 9 * Examples of Nomenclature
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