organic gardens
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After discussing the statistical basis of the law of mass action, the lecture turns to developing a framework for understanding reaction rates. A potential energy surface that associates energy with polyatomic geometry can be realized physically for a linear, triatomic system, but it is more practical to use collective energies for starting material, transition state, and product, together with Eyring theory, to predict rates. Free-radical...more
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It is important that chemists agree on notation and nomenclature in order to communicate molecular constitution and configuration. It is best when a diagram is as faithful as possible to the 3-dimensional shape of a molecule, but the conventional Fischer projection, which has been indispensable in understanding sugar configurations for over a century, involves highly distorted bonds. Ambiguity in diagrams or words has led to multibillion-d...more
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This lecture traces the development of elemental analysis as a technique for the determination of the composition of organic compounds beginning with Lavoisier's early combustion and fermentation experiments, which showed a new, if naïve, attitude toward handling experimental data. Dalton's atomic theory was consistent with the empirical laws of definite, equivalent, and multiple proportions. The basis of our current notation and of precis...more
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Half a century before direct experimental observation became possible, most structures of organic molecules were assigned by inspired guessing based on plausibility. But Wilhelm Körner developed a strictly logical system for proving the structure of benzene and its derivatives based on isomer counting and chemical transformation. His proof that the six hydrogen positions in benzene are equivalent is the outstanding example of this chemical...more
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Fundamental Growth - EPS versus Net Income - Organic vs Efficiency Growth -Operating Income Growth -Growth with money losing companies Terminal Value -Why multiples don't work - Consistency rules (Growth rate, Length of growth, Excess Returns)
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Thompson talks about how the cheapest form of growth is organic growth. We will be in the market again soon, he adds.
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Cahn-Ingold-Prelog System for Naming Enantiomers.
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Aldol Reaction.
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Markovnikov's Rule and Carbocations. Figuring out which addition reaction is more likely.
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Newman Projections.
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Sn2 Stereochemistry.
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Naming Simple Alkanes.
