Open Yale CoursesCHEM 125: Freshman Organic ChemistryLecture 25 - Models in 3D Space (1869-1877); Optical Isomers<< previous session| next session >>Overview:Despite cautions from their conservative elders, young chemists like Paternó and van't Hoff beganinterpreting molecular graphs in terms of the arrangement of a molecule's atoms in 3-dimensional space.Benzene was one such case, but still more significant was the prediction, based on puzzling isomerisminvolving "optical activity," that molecules could be "chiral," that is, right- or left-handed. Louis Pasteureffected the first artificial separation of racemic acid into tartaric acid and its mirror-image.Problem sets/Reading assignment:Reading assignments, problem sets, PowerPoint presentations, and other resources for this lecture can beaccessed from Professor McBride's on-campus course website, which was developed for his Fall 2008
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