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NOTES-Classification_of_Stereoisomers - What Kind of...

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What Kind of Stereoisomer? Once we know that a pair of structures is related as stereoisomers, we would then like to know what kind of stereoisomers they are. The two main classes of stereoisomers called enantiomers and diastereomers. The example below illustrates the case of enantiomers – sterereoisomers related as mirror images . A racemic mixture has equal quantities of both enantiomers. Mirror images? By mirror image relationship we mean that each atom projected through a plane will find the equivalent atom on the opposite side and at an equidistant. Stereoisomers that do not have a mirror image relationship are diastereomers .
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An Example of Diastereomers CH 3 H 3 C H 3 C CH 3 and cis-2-butene trans-2-butene same connectivity not superimposable not mirror images therefore stereoisomers isomer classification tests compare therefore diastereomers To summarize, compare the cis and trans isomers of 2-butene. How are they
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