Things to Know for the Final Exam Chapter 9 Solving 1H NMR’s by examining chemical shift, integration, and splitting of the signals. Chapter 14 Aromaticity rules, 1) planar ring, 2) all atoms sp2 hybridized with a p orbital, 3) Huckels rule (4n+2) Aromatic heterocycles Aromatic anions and cations Chapter 15 Electrophilic Aromatic Substitution reactions (halogenation, nitration, FriedelCrafts alkylation and acylation, sulfonation) Side chain oxidation with KMnO4 Birch reduction Activating/Deactivating groups – directing tendencies Benzylic radical halogenation, substitution, and elimination Clemmensen reduction Chapter 16 Nitrile, ester, and acyl halide reductions Alcohol oxidations Ozonolysis Alkyne hydration Dialkyl cuprate coupling Grignard addition to carbonyls and nitriles Hemiacetal and acetal (thioacetals) formation and hydrolysis Cyanohydrin formation Imine and enamine formation and hydrolysis Wittig reaction Baeyer-Villiger oxidation Chapter 17 Keto-enol tautomerization Enolate formation (kinetic and thermodynamic) Enolate chemistry o Racemization/epimerization o Halogenation (haloform) o Alkylation Things to Know for the Final Exam o Selenation/selenoxide elimination o Aldol and aldol condensations o Aldol cyclizations α−β Unsaturated carbonyl chemistry o Michael addition o Conjugate addition of R2CuLi, HCN, R2NH, RSH o 1,2-Addition of Grignard, RLi, and hydride Chapter 18 Forming carboxylic acids (oxidations, hydrolysis, CO2 add’n to Grignard) Acyl group activation (SOCl2, formation of anhydrides) Ester synthesis (Fischer, Baeyer-Villiger) Amide synthesis (amine add’n to acyl chloride, DCC coupling) Amine synthesis (reduction of nitriles and imines – see Ch. 20 for more ways) Ketone synthesis (alkyne hydration, cuprate addition to Nitrile, F-C acylation, ozonolysis, oxidation) Aldehyde syntheis (oxidation, ozonolysis, reduction of esters and acyl chlorides) Nitrile synthesis (addition of cyanide, dehydration of amides) Addition to carboxylic acids and derivatives Relative reactivity of carboxylic acid derivatives Chapter 19 Claisen, crossed Claisen, reverse Claisen and Dieckmann condensations Tautomerization in b-Dicarbonyl compounds Acetoacetic ester synthesis Malonic ester synthesis Direct alkylation/acylation with LDA Reaction of enolates with carbonyls and unsaturated systems Conjugate add’n to unsaturated dicarbonyl systems Enamine alkylation and acylation Umpolung chemistry with dithianes Chapter 20 Synthesis of amines o Amination of alkyl halides o Reduction of azides, nitroaryls, imines (reductive amination), nitriles, oximes, and amides o Gabriel synthesis o Hofmann and Curtius rearrangements Reactions of amines Things to Know for the Final Exam o o o o Act as bases and nucleophiles Forming sulfonamides and amides Diazotization Hofmann and Cope eliminations Chapter 21 Industrial phenol synthesis Synthesis of phenol through diazonium salt Reactions of phenols (acylation, alkylation, electrophilic aromatic substitution) Other reaction – Nucleophilic Aromatic subs. Via SNAr and benzynes Claisen rearrangement Chapter 22 Naming and numbering sugars Glycoside formation and hydrolysis Oxidation and reduction of sugars Forming ethers and esters with sugars Chain shortening and lengthening Acetonide formation and hydrolysis Chapter 23 Steroid numbering Reactions of fatty acids and triacylglycerols (see esters/acids and alkenes) Terpene formation by coupling IPP and DMAPP Chapter 24 Amino acid basics Amino acid synthesis (ammonolysis of halo acids, Gabriel modification and Strecker synthesis) Protecting groups for amines and carboxylates (on and off) Activating agents for coupling amino acids Chapter 25 Nucleic acid basics Coupling base to sugar Phosphoramidite coupling Protecting groups for hydroxyls (DMTr)