Advanced Organic Chemistry: Reactions and synthesisPlenum Press, 1990 - Chemistry, Organic |
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Page 1
... carbanions . Both the rate of deprotonation and the stability of the resulting carbanion are enhanced by the ... carbanions is represented by the resonance structures presented in Scheme 1.2 . 1 2 CHAPTER 1 ALKYLATION OF Scheme 1.1 ...
... carbanions . Both the rate of deprotonation and the stability of the resulting carbanion are enhanced by the ... carbanions is represented by the resonance structures presented in Scheme 1.2 . 1 2 CHAPTER 1 ALKYLATION OF Scheme 1.1 ...
Page 101
... carbanions with carbonyl compounds.83 Phosphonate carbanions are more nucleophilic than an analogous ylide , and , even when R is a carbanion - stabilizing substituent , they react readily with aldehydes and ketones to give alkenes ...
... carbanions with carbonyl compounds.83 Phosphonate carbanions are more nucleophilic than an analogous ylide , and , even when R is a carbanion - stabilizing substituent , they react readily with aldehydes and ketones to give alkenes ...
Page 102
... carbanions with carbonyl groups car- ried out under conditions of high dilution have been utilized in macrocycle synthesis ( entries 6 and 7 , Scheme 2.13 ) . Carbanions derived from phosphine oxides also add to carbonyl compounds . The ...
... carbanions with carbonyl groups car- ried out under conditions of high dilution have been utilized in macrocycle synthesis ( entries 6 and 7 , Scheme 2.13 ) . Carbanions derived from phosphine oxides also add to carbonyl compounds . The ...
Contents
Alkylation of Nucleophilic Carbon Enolates and Enamines | 1 |
CONTENTS | 3 |
Polar Addition and Elimination Reactions | 6 |
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acetic acyl adduct alcohols aldehydes alkenes alkyl allylic amines anion aromatic aryl boron bromide C=C H C₂H carbanions carbon carbonyl carbonyl compounds carbonyl group carboxylic acids catalyst CH,O CH₂ CH₂OH CH3 CH CHAPTER 6 CYCLOADDITIONS Chem chiral chloride Claisen rearrangement CO,CH CO₂C₂H CO₂H cyclic cycloaddition reactions Diels-Alder reactions diene dienophile double bond E. J. Corey electron electrophilic ENAMINES enantioselectivity enol ether epoxides esters examples formation FUNCTIONAL GROUPS give Grignard reagents H CH H H H H H,C H,C CH H,C H,C H. C. Brown H₁C H₂ H₂C H₂O halides halogen hydride hydrogen hydroxyl intermediate intramolecular ketones Lewis acid lithium mechanism methyl molecules n-BuLi organoboranes organolithium organometallic oxidation oxygen Ph Ph PhCH₂O proton radical react reaction conditions REACTIONS INVOLVING reactive ring Scheme SECTION solvents step stereochemistry stereoselectivity steric structure Synth synthesis synthetic Tetrahedron Lett THERMAL ELIMINATIONS transition metal UNIMOLECULAR REARRANGEMENTS ylides