Explain why the ether obtained by treating an optically active alcohol with PBr 3
Chapter 11, Problem 8(choose chapter or problem)
Explain why the ether obtained by treating an optically active alcohol with PBr 3 followed by sodium methoxide has the same configuration as the alcohol, whereas the ether obtained by treating the alcohol with tosyl chloride followed by sodium methoxide has a configuration opposite to that of the alcohol.
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