Lecture 26 - Van't Hoff's Tetrahedral Carbon and Chirality
recorded by: Yale University
published: June 10, 2010, recorded: November 2008, views: 2917
released under terms of: Creative Commons Attribution No Derivatives (CC-BY-ND)
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With his tetrahedral carbon models van't Hoff explained the mysteries of known optical isomers possessing stereogenic centers and predicted the existence of chiral allenes, a class of molecules that would not be observed for another sixty-one years. Symmetry operations that involve inverting an odd number of coordinate axes interconvert mirror-images. Like printed words, only a small fraction of molecules are achiral. Verbal and pictorial notation for stereochemistry are discussed.
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Reading assignments, problem sets, PowerPoint presentations, and other resources for this lecture can be accessed from Professor McBride's on-campus course website, which was developed for his Fall 2008 students. Please see Resources section below.
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