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Avsnitt
- S1 A1 – Why Carbon?25 september 201434minStart exploring organic chemistry's foundations with a review of the basic science of chemistry (including atomic structure and the periodic table). Then, get an engaging introduction to organic chemistry: its origin, its evolution, its relationship to carbon, and its fascinating applications in everything from food to fuel to medicine. #Science & MathematicsKostnadsfri provperiod på The Great Courses Signature Collection eller köp
- S1 A2 – Structure of the Atom and Chemical Bonding25 september 201435minTake a more detailed look at atomic structure and chemical bonding. What exactly drives an atom's desire to bond? What are the differences between ionic bonds, covalent bonds, and polar covalent bonds? How does the hybridization of atomic orbitals work, and how does it explain the complex geometries of carbon frameworks?Kostnadsfri provperiod på The Great Courses Signature Collection eller köp
- S1 A3 – Drawing Chemical Structures25 september 201431minInvestigate some of the key methods scientists employ to communicate the right structural information about molecular compounds, including their identity, the ratio of elements that comprise them, and their connectivity. Explore Fischer projections, Newman projections, and stereoimages - all of which help us overcome the challenges of conveying the three-dimensional positions of atoms.Kostnadsfri provperiod på The Great Courses Signature Collection eller köp
- S1 A4 – Drawing Chemical Reactions25 september 201431minYou've learned how to depict molecules as they exist at a single point in time. How about as time passes? The answer: much like a cartoonist. Here, learn about this scientific art form, including writing reaction schemes, expanding them into elementary steps, using curved arrows to chart molecular progress, and more.Kostnadsfri provperiod på The Great Courses Signature Collection eller köp
- S1 A5 – Acid-Base Chemistry25 september 201430minFocus on the first of several fundamental classes of reactions you'll encounter throughout this course: the proton transfer reaction. You'll learn the three classifications of acids and bases; the Arrhenius, Bronsted-Lowry, and Lewis definitions; how chemists predict proton transfer reaction outcomes; two kinds of intramolecular proton transfer reactions; and more.Kostnadsfri provperiod på The Great Courses Signature Collection eller köp
- S1 A6 – Stereochemistry - Molecular Handedness25 september 201429minMake sense of a crucial concept in organic chemistry: the handedness of molecules, or, as chemists call it, "chirality." Topics include the definition of chiral tetrahedral centers; the creation of stereoisomer sets via inversion of handedness; and intriguing examples of stereoisomers (including enantiomers and double-bonded stereoisomers) and their unique chiral centers.Kostnadsfri provperiod på The Great Courses Signature Collection eller köp
- S1 A7 – Alkanes - The Simplest Hydrocarbons25 september 201434minStart examining various classes of organic compounds with alkanes, whose hydrocarbons consist entirely of hydrogen and carbon. How can a few simple carbon atoms lead to millions of possible alkane structures? How does structure affect their physical properties? And what curious role did they play in 19th-century whaling?Kostnadsfri provperiod på The Great Courses Signature Collection eller köp
- S1 A8 – Cyclic Alkanes25 september 201431minTurn now to cyclic alkanes, in which the closing of a loop of carbons forms a whole new class of alkanes with properties all their own. As you learn more about this new class of hydrocarbons, you'll cover the phenomenon of ring strain, the equilibrium between chair conformers, and bicyclic hydrocarbons.Kostnadsfri provperiod på The Great Courses Signature Collection eller köp
- S1 A9 – Alkenes and Alkynes25 september 201435minHow can pi bonds change the chemistry of hydrocarbons? How did one of the greatest rivalries in chemistry lead to an understanding of trends in stability among regio- and stereoisomers with the same molecular formula? Why do terminal alkynes have such unusual acidity? Professor Davis has the answers to these and other questions.Kostnadsfri provperiod på The Great Courses Signature Collection eller köp
- S1 A10 – Alkyl Halides25 september 201433minExplore alkyl halides, hydrocarbons where one or more hydrogen atoms are replaced by a halogen atom. You'll examine how larger halogen atoms decrease the volatility of alkyl halides compared to their alkane counterparts (which radically changed the science of refrigeration). You'll also learn about the reactivity of alkyl halides and the phenomenon of carbocation rearrangements.Kostnadsfri provperiod på The Great Courses Signature Collection eller köp
- S1 A11 – Substitution Reactions25 september 201432minInvestigate substitution reactions: one of the fundamental mechanisms by which one compound becomes another. The simple molecules you've encountered so far can be altered in targeted ways and once you understand how these reactions work, Professor Davis says you've reached "a palpable threshold in the study of organic chemistry."Kostnadsfri provperiod på The Great Courses Signature Collection eller köp
- S1 A12 – Elimination Reactions25 september 201428minCover the second class of organic reaction: eliminations, the primary method for producing alkenes. As you'll learn, elimination reactions proceed with the production of a byproduct formed by the leaving group; in contrast to substitution reactions, they involve a significant increase in entropy because they make more molecules than they consume.Kostnadsfri provperiod på The Great Courses Signature Collection eller köp
- S1 A13 – Addition Reactions25 september 201432minComplete your mastery of the trifecta of fundamental organic reactions with a lecture on addition, which adds new groups to unsaturated molecules by sacrificing pi bonds for more stable sigma bonds. You'll explore the basics of addition reactions; the hydrogenation of alkenes and alkines; the ways addition has helped create food additives; and much more.Kostnadsfri provperiod på The Great Courses Signature Collection eller köp
- S1 A14 – Alcohols and Ethers25 september 201434minIn this lecture, consider the important role of oxygen in organic chemistry. Among the topics you'll learn about here: the oxygen atom in sp3 hybridization states; techniques for synthesizing alcohols and ethers; and methods for activating alcohols into more reactive leaving groups (specifically sulfonate esters, phosphinate esters, and tosylates).Kostnadsfri provperiod på The Great Courses Signature Collection eller köp
- S1 A15 – Aldehydes and Ketones25 september 201432minContinue exploring oxygen's role in organic chemistry. Here, Professor Davis introduces you to the properties and reactivity of two simple carbonyl compounds: aldehydes and ketones. What do we know about these oxygen-containing compounds and their chemistry? And what's their curious connection with how you feel after a night of heavy drinking?Kostnadsfri provperiod på The Great Courses Signature Collection eller köp
- S1 A16 – Organic Acids and Esters25 september 201435minCarboxylic acids and esters are two oxygen-containing compounds that possess multiple oxygen atoms with different hybridization states. First, look at two ways to prepare carboxylic acids. Then, examine how Fischer esterification produces esters. Finally, learn about retrosynthetic analysis, a tool that helps organic chemists address synthetic challenges.Kostnadsfri provperiod på The Great Courses Signature Collection eller köp
- S1 A17 – Amines, Imines, and Nitriles25 september 201430minTurn now to nitrogen, which has played an important role in the chemistry of life since it began. Learn the chemistry of primary, secondary, and tertiary amines, the simplest of nitrogen-containing compounds. Also, consider imines (containing a pi-bond to nitrogen) and nitriles (where two pi bonds are present), including the simplest and most well-known nitrile: hydrogen cyanide.Kostnadsfri provperiod på The Great Courses Signature Collection eller köp
- S1 A18 – Nitrates, Amino Acids, and Amides25 september 201427minNitroglycerine, dynamite, TNT. What do these explosives have in common? They all contain highly reactive compounds that combine nitrogen and oxygen in organics. Look closely at these and other materials in this in-depth lecture on functional groups containing nitrogen and oxygen that covers everything from nitrate esters to trinitrotoluene to amino acids.Kostnadsfri provperiod på The Great Courses Signature Collection eller köp
- S1 A19 – Conjugation and the Diels-Alder Reaction25 september 201431minStart by examining the phenomenon of conjugation involving multiple, resonating pi bonds and the extra stability that they endow on organic compounds. Then, explore two reactions (including one that resulted in a Nobel Prize) involved in conjugated diene reactivity. Finally, spend some time investigating the relationship between frontier molecular orbits and thermally activated reactions.Kostnadsfri provperiod på The Great Courses Signature Collection eller köp
- S1 A20 – Benzene and Aromatic Compounds25 september 201429minGet better acquainted with benzene and a class of compounds known as aromatics, as well as the role aromaticity plays in dictating the acid-base properties of organics. Also, learn about polynuclear aromatics, buckminsterfullerenes, carbon nanotubes, and carbon fibers - all at the forefront of cutting-edge research going on in labs around the world.Kostnadsfri provperiod på The Great Courses Signature Collection eller köp
- S1 A21 – Modifying Benzene - Aromatic Substitution25 september 201430minBuild on your understanding of aromatics by investigating a very useful class of reactions: electrophilic aromatic substitution. What's the general mechanism by which these reactions occur? What are some of the many modifications chemists can make to benzene? What role did this reaction play in the synthesis of one of the most infamous organic compounds of all time, DDT?Kostnadsfri provperiod på The Great Courses Signature Collection eller köp
- S1 A22 – Sugars and Carbohydrates25 september 201431minStart taking a more biologically oriented look at the foundations of organic chemistry by investigating compounds known as carbohydrates. Examine Fischer projections of their two main classes, aldoses and ketoses; learn how cyclic sugars help create disaccharides and polysaccharides used in everything from fruit preserves to body armor; and more.Kostnadsfri provperiod på The Great Courses Signature Collection eller köp
- S1 A23 – DNA and Nucleic Acids25 september 201430minProfessor Davis introduces you to ribose, the central component of both RNA and DNA. Starting from individual molecules and motifs, you'll progressively work your way up toward a full model for the structure of the sub-units involved in our genetic code. This lecture is proof of organic chemistry's powerful role in establishing who you are.Kostnadsfri provperiod på The Great Courses Signature Collection eller köp
- S1 A24 – Amino Acids, Peptides, and Proteins25 september 201429minProteins make up 20 percent of your body's mass. They mediate almost every chemical reaction in the human body, and they're found in everything from medicine to detergents. Here, make sense of the intricate, beautiful structures and interactions of proteins. Also, take a peek at how they're created in labs for further study.Kostnadsfri provperiod på The Great Courses Signature Collection eller köp
- S1 A25 – Metals in Organic Chemistry25 september 201427minProbe the connections between biology and metals with this lecture on some compounds and reactions in the field of organometallic chemistry. As you'll quickly learn, organometallics have a range of practical applications; one example you'll encounter is Dotarem, an organometallic compound used to help detect tumors in cancer patients.Kostnadsfri provperiod på The Great Courses Signature Collection eller köp
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Detaljer
Mer information
- Ljudspråk
- English
- Undertexter
- English [CC]
- Producenter
- The Great Courses
- Rollbesättning
- Ron B. Davis Jr.
- Studio
- The Great Courses
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