Organic Chemistry (McMurry)

Citation

McMurry, J. E. (2023). Organic Chemistry: A Tenth Edition. OpenStax, Rice University. Free official edition: https://openstax.org/details/books/organic-chemistry

Chapter Summary

The book has 31 chapters, a short preview essay that sits between Chapters 18 and 19, four appendices and an answer key. Every chapter opens with a "Why This Chapter?" paragraph and ends with a Chemistry Matters essay, Key Terms, a Summary and problems; reaction-heavy chapters add a Summary of Reactions. The preface describes a text for a two-semester introductory course, organised by functional group, with biological examples for the many biology and pre-med students taking it.

Chapters 1–2: Structure and Bonding; Polar Covalent Bonds; Acids and Bases

A review of atomic orbitals, electron configurations, valence bond and molecular orbital descriptions, sp3, sp2 and sp hybridisation, and how to draw condensed and skeletal structures. Chapter 2 adds bond polarity, formal charge, resonance forms, Brønsted–Lowry and Lewis acidity, pKa-based prediction of acid–base reactions and noncovalent interactions.

Chapters 3–5: Organic Compounds: Alkanes and Their Stereochemistry; Organic Compounds: Cycloalkanes and Their Stereochemistry; Stereochemistry at Tetrahedral Centers

Alkanes introduce functional groups, isomers, IUPAC naming and conformations (Newman projections). Chapter 4 turns to rings: cis–trans isomerism, ring strain, and axial and equatorial positions in chair cyclohexanes. Chapter 5 treats chirality in full: R/S assignment, diastereomers, meso compounds, resolution and prochirality.

Chapters 6–9: An Overview of Organic Reactions; Alkenes: Structure and Reactivity; Alkenes: Reactions and Synthesis; Alkynes: An Introduction to Organic Synthesis

Chapter 6 supplies the framework for the rest of the book: kinds of reactions, polar and radical mechanisms, curved arrows, free energy, energy diagrams, transition states and intermediates. Chapter 7 covers alkene structure, E/Z designation, electrophilic addition, Markovnikov's rule and the Hammond postulate. Chapter 8 surveys alkene reactions (halogenation, hydration by oxymercuration or hydroboration, hydrogenation, epoxidation, cleavage, carbenes). Chapter 9 uses alkynes as a first introduction to synthesis planning.

Chapters 10–11: Organohalides; Reactions of Alkyl Halides: Nucleophilic Substitutions and Eliminations

Chapter 10 covers preparing alkyl halides, Grignard reagents, coupling reactions, and oxidation and reduction. Chapter 11 is the mechanistic core of the first half: SN2, SN1, E2, E1 and E1cB, their biological counterparts, and Section 11.12 on when each pathway is expected.

Chapters 12–14: Structure Determination: Mass Spectrometry and Infrared Spectroscopy; Structure Determination: Nuclear Magnetic Resonance Spectroscopy; Conjugated Compounds and Ultraviolet Spectroscopy

Mass spectrometry and IR (Chapter 12) and 1H and 13C NMR including DEPT (Chapter 13) form a self-contained spectroscopy unit. Chapter 14 returns to reactivity with conjugated dienes, kinetic versus thermodynamic control, the Diels–Alder reaction, diene polymers and UV spectroscopy.

Chapters 15–16: Benzene and Aromaticity; Chemistry of Benzene: Electrophilic Aromatic Substitution

Aromaticity and the Hückel 4n + 2 rule, then electrophilic substitution (bromination, nitration, Friedel–Crafts), substituent effects, nucleophilic aromatic substitution, benzyne and the synthesis of polysubstituted benzenes.

Chapters 17–18: Alcohols and Phenols; Ethers and Epoxides; Thiols and Sulfides

Alcohols (reduction, Grignard additions, oxidation, protection), phenols, ethers, epoxide ring-opening, thiols and sulfides, each with a spectroscopy section. A short "Preview of Carbonyl Chemistry" then introduces the kinds of carbonyl compounds and their general reactions before the next five chapters.

Chapters 19–23: Aldehydes and Ketones: Nucleophilic Addition Reactions; Carboxylic Acids and Nitriles; Carboxylic Acid Derivatives: Nucleophilic Acyl Substitution Reactions; Carbonyl Alpha-Substitution Reactions; Carbonyl Condensation Reactions

The carbonyl block. The summaries present these as the four fundamental carbonyl reaction types, with the preview as the map. Chapter 19 includes imines, acetals, the Wittig reaction and conjugate addition; Chapters 22–23 cover enols, enolates, and the aldol, Claisen, Michael and Robinson reactions.

Chapter 24: Amines and Heterocycles

Naming, basicity, synthesis and reactions of amines, arylamines and heterocyclic amines.

Chapters 25–29: Biomolecules: Carbohydrates; Biomolecules: Amino Acids, Peptides, and Proteins; Biomolecules: Lipids; Biomolecules: Nucleic Acids; The Organic Chemistry of Metabolic Pathways

These chapters cover anomers, peptide sequencing and synthesis, steroids, replication and PCR, then glycolysis, the citric acid cycle and β-oxidation described through ordinary organic mechanisms.

Chapters 30–31: Orbitals and Organic Chemistry: Pericyclic Reactions; Synthetic Polymers

Electrocyclic, cycloaddition and sigmatropic reactions with the orbital rules that govern their stereochemistry, then chain-growth and step-growth polymers, Ziegler–Natta catalysts and olefin metathesis.

Key Concepts

Chapters 1–5: Bonding, Acids and Bases, Shape

• Hybridisation and sigma/pi bonding: carbon uses sp3, sp2 or sp orbitals depending on whether it forms single, double or triple bonds.
• Resonance and pKa: structures that differ only in electron placement, and the use of pKa values to predict acid–base reactions.
• Conformation and ring strain: staggered versus eclipsed arrangements, the strain-free chair of cyclohexane.
• Chirality centre and R/S configuration: the source of enantiomers, diastereomers and meso compounds.

Chapters 6–11: Reaction Mechanisms

• Curved-arrow mechanisms: electron movement from nucleophile to electrophile.
• Free energy and transition states: ΔG, activation energy and the reaction energy diagram.
• Markovnikov's rule and the Hammond postulate: why the more stable carbocation intermediate is formed.
• SN2, SN1, E2, E1, E1cB: five pathways distinguished by kinetics, stereochemistry and conditions.

Chapters 12–16: Spectroscopy and Aromatic Chemistry

• Chemical shift and spin–spin splitting: the information in a 1H NMR spectrum.
• Diels–Alder reaction: a cycloaddition of a diene with a dienophile.
• Aromaticity (4n + 2) and substituent effects in electrophilic aromatic substitution.

Chapters 17–24: Functional Groups and Carbonyl Chemistry

• Nucleophilic acyl substitution: the shared pathway of acid halides, anhydrides, esters and amides.
• Enolate ion: the nucleophile behind alkylation and condensations.
• Aldol, Claisen and Michael reactions: carbon–carbon bond-forming condensations.
• Basicity of amines, and how aryl substitution lowers it.

Chapters 25–31: Biomolecules, Pericyclic Reactions, Polymers

• Anomers and Fischer projections in carbohydrates; peptide bonds and Merrifield synthesis.
• Woodward–Hoffmann rules: orbital symmetry governs the stereochemistry of pericyclic reactions.
• Chain-growth and step-growth polymers.

Critical Analysis

Strengths

• Functional-group organisation that is easy to navigate. After five chapters of foundations and one on reaction principles, the book proceeds group by group (alkenes, alkynes, halides, aromatics, alcohols, carbonyls, amines), so a student can find a reaction by the group it involves. The preface says the functional-group approach and the table of contents are retained from earlier editions.
• Mechanisms are taught before they are needed. Chapter 6 introduces curved arrows, energy diagrams and polar and radical pathways ahead of any specific reaction, and Chapter 11's closing section ties the five substitution and elimination pathways together with a worked example on predicting products.
• A large and varied problem collection. The preface counts more than 1,800 in-text and end-of-chapter problems, with worked examples that give a strategy and a solution, Visualizing Chemistry problems and mechanism problems; many chapters end with a Summary of Reactions.
• Biological context. The "Why This Chapter?" openings and the biomolecule chapters suit biology and pre-health students.
• Free and adaptable. The book is released under a CC BY-NC-SA licence, and the preface says the Study Guide and Student Solutions Manual are now separate, openly licensed digital items.

Limitations

• Length. The PDF runs to 1,245 pages and 31 chapters, so a two-semester course has to choose; the pericyclic and polymer chapters at the end are the natural cuts.
• Answers to end-of-chapter problems are not in the book. The Answer Key at the back covers the in-chapter problems; for the additional problems the preface points to the separate Student Solutions Manual.
• Reactions are grouped by functional group, not by mechanism type. Similar steps recur in different chapters, so students must assemble the mechanistic patterns themselves; the chapter summaries and Section 11.12 help.
• No dedicated chapter on synthesis planning. Synthesis is introduced in Chapter 9 and revisited for substituted benzenes in Section 16.10, but the contents list has no chapter on retrosynthesis.

Applications in the Book

Each chapter closes with a short Chemistry Matters essay on an everyday or industrial topic, among them organic foods and risk, gasoline, chiral drugs, ethanol, vitamin C, β-lactam antibiotics, statin drugs and degradable polymers.

Where It Fits in the Course

McMurry is the main text in this list for the two-semester introductory sequence, and it can be read free online. Clayden, Greeves and Warren's Organic Chemistry is a larger book (1,234 pages, 43 chapters) built, according to its publisher, on explanatory, mechanistic and evidence-based approaches; its chapter order follows ideas and reaction types more than functional groups (carbonyl addition in Chapter 6, delocalisation in Chapter 7, retrosynthesis in Chapter 28), which makes it a useful second view of the same course. David Klein's Organic Chemistry as a Second Language is a companion for first-semester practice, meant to be used alongside a full text such as McMurry's, and Graham Patrick's Organic Chemistry: A Very Short Introduction is a brief overview rather than a course text.

Carey et al.'s Advanced Organic Chemistry: Part A and Anslyn and Dougherty's Modern Physical Organic Chemistry are graduate-level texts on structure and mechanism.

How to Use This Book

Chapter 1 refers to material "you may recall from your general chemistry course", so a general chemistry background is assumed; Chapters 1 and 2 are a review that can be skimmed by students who are secure on bonding and acid–base ideas. The preface addresses the book to a two-semester course with many biology and pre-medicine students.

A workable plan: read Chapters 1–11 in order, as the foundation of the first semester; take Chapters 12–13 (spectroscopy) whenever the course reaches structure determination; follow with Chapters 14–18. Chapters 19–24, the second half, are best read after the Preview of Carbonyl Chemistry. Chapters 25–29 suit courses with a biochemistry emphasis, and Chapters 30–31 are optional. For each chapter, read "Why This Chapter?" and the Summary first, work the in-text problems immediately (the Answer Key covers them), and keep the Additional Problems and Visualizing Chemistry questions for review, checking them against the free Study Guide and Student Solutions Manual. Redraw each mechanism by hand.

Edition and Sources

This guide is based on the free OpenStax edition, Organic Chemistry: A Tenth Edition (CC BY-NC-SA 4.0), read as the official PDF linked from https://openstax.org/details/books/organic-chemistry. The dedication and preface, the complete table of contents, the "Why This Chapter?" opening, section headings, Chemistry Matters essay title, Key Terms and Summary of each of the 31 chapters, the Preview of Carbonyl Chemistry and the answer key were read, and sections 1.1–1.2 and 11.12 were read in full.