Transcription of STUDY GUIDE LINK 7 - Sapling Learning
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STUDY GUIDE LINK 7 - Sapling Learning
STEREOCHEMISTRY OF CHEMICAL REACTIONS305 The trans diastereomer can exist as a pair of enantiomers, and the two enantiomers of the cis di-astereomer are rapidly equilibrated by the chair interconversion and cannot be separated ( ). Hence, three potentially separable stereoisomers could be formed: the cis isomer and thetwo enantiomers of the trans isomer. Because the cis and trans isomers are diastereomers, they areformed in different amounts. (You can t predict at this point which one predominates, but we ll re-turn to that issue in Sec. ) The two enantiomers of the trans diastereomer must be formed inidentical amounts. Thus, whatever the amount of the trans isomer we obtain from the reaction, itis obtained as the racemate a 50:50 mixture of the two OF CHEMICAL REACTIONSAt this point, it may seem that stereochemistry adds a complicated new dimension to the studyand practice of organic chemistry. To some extent, this is true.
7.9 STEREOCHEMISTRY OF CHEMICAL REACTIONS 307 The oxidation step of hydroboration–oxidation is also a substitution reaction in which the boron is …
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