Lecture 12- end Ch.3 - CH310/318MSp.2011 Lecture12...

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Lecture 12 Exam Results Chirality Meso Compounds Polarimetry/ Optical Rotation Physical Properties End Ch. 3!! Begin Ch. 4: Acids and Bases : : : Announcements : : : CH 310/318M – Sp.2011
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Last Time: V. Patman 2 Tues 3.01.11 Diastereomers : same molecular formula, same connectivity, different  orientations in space, isomers cannot be interconverted through rotation  about  σ -bonds, and not a mirror image isomer. CH 310/318M – Sp.2011
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Multiple Stereocenters 2,3-dihydroxybutanedioc acid (tartaric acid) – How many stereoisomers?  Draw them.  Tues 3.01.11 V. Patman 3 CH 310/318M – Sp.2011
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Meso Compounds Meso:  an achiral compound with two or more chiral centers and an internal  mirror plane of symmetry.  Tues 3.01.11 V. Patman 4 CH 310/318M – Sp.2011 Br Br NH 2 NH 2 Me OH Me OH CH 3 Cl Cl Me H Cl H Me i ii iii iv v OH Me Me vi
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Identification Practice identifying meso compounds and determining relationships between 
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Lecture 12- end Ch.3 - CH310/318MSp.2011 Lecture12...

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