自秋不转大对 视中院 Organic Chemistry,6th Edition L.G.Wade,Jr. Chapter4 Structure and Stereochemistry of AlRanes Key Notes Mechanisms;Conformation;Ring strain Conformers;Cis-trans isomers; By Junru Wang Email:wangjr07@163.com
By Junru Wang Email: wangjr07@163.com Chapter 4 Structure and Stereochemistry of Alkanes Organic Chemistry, 6th Edition L. G. Wade, Jr. Key Notes Mechanisms; Conformation; Ring strain; Conformers; Cis-trans isomers;
自秋杯转特 CONTENTS Classification of Hydrocarbons ■Physical properties Reactions Mechanisms of Alkanes Structure Conformation of Alkanes Conformation of Cycloalkanes
CONTENTS ◼Classification of Hydrocarbons ◼Physical properties ◼Reactions & Mechanisms of Alkanes ◼Structure & Conformation of Alkanes ◼Conformation of Cycloalkanes
Hydrocarbons Hydrocarbons are molecules that are made of carbon and hydrogen ONLY. TABLE 3-1 Hydrocarbon Classifications Compound Type Functional Group Example alkanes none(no double or triple bonds) CH3一CH2-CH3,propane alkenes C=Cdouble bond CH2=CH-CH3,propene alkynes -C=C-triple bond H-C=C-CH3,propyne CH,CH, aromatics benzene ring ethylbenzene Copyright 2010 Pearson Prentice Hall,Inc
Hydrocarbons are molecules that are made of carbon and hydrogen ONLY. Hydrocarbons
Common Alkyl Groups One carbon Two carbons Three carbons CH3 CH3- CH3-CH2- CH3-CH2一CH2- CH3-CH- methyl group ethyl group propyl group isopropyl group (or“n-propyl group") Four carbons CH3 CH3 CH3 CH3一CH2一CH2-CH2- CH3-CH-CH2- CH3-CH2一CH- CH3-C- butyl group isobutyl group sec-butyl group (or“n-butyl group'") CH3 tert-butyl group (or"t-butyl group") Copyright 2010 Pearson Prentice Hall,Inc
Common Alkyl Groups
CH. CH: CH-CH-CH, CH: CH-CH, CH-CH-CH,CH CH-CH- CH,CH CH CH-CH, CH, CH-CH3 CH; CH; correct seven-carbon chain,bat only three substituents seven-carbon chain,four substituents Copyright2010 Pearson Prentice Hall,Inc