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Unformatted text preview: O O Making A mCPBA H H O H + ,H 2 O O O H OH HO H (acid cat. opening with inversion) H + ,H 2 O (separate H 2 O) (+ enantiomer) exo-brevicomin exo-brevicomin racemic I would not expect you to be able to predict which diastereomer of A was necessary HO O H 3 C HO . I would hope that you would be able to hydrolyze the two acetals to an open-chain structure (without the relative stereochemistry of the diol)....
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- Spring '11