5.3 Molecules with Multiple Chiral Centers | Enantiomers, Diastereomers, and Meso Compounds | OChem
Автор: Chad's Prep
Загружено: 2020-10-07
Просмотров: 99262
Chad covers the possible relationships between the different stereoisomers that are possible in structures having multiple chiral centers. He starts by showing how to determine the number of possible stereoisomers based upon the number of chiral centers present. He then shows how to determine when two stereoisomers are enantiomers and when they are diastereomers.
He then introduces Meso compounds, compounds that are achiral even though they have chiral centers. He shows how an internal mirror plane (a sigma plane) helps identify achiral compounds and can help identify Meso compounds as well. Chad concludes the lesson by showing how to identify Meso compounds even when they are drawn in rotational conformations that make it difficult to see the presence of sigma planes.
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00:00 Lesson Introduction
00:56 How to Determine the Number of Stereoisomers
03:44 Enantiomers and Diastereomers when there are Two Chiral Centers
11:05 Introduction to Meso Compounds
18:17 How to Identify Meso Compounds
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