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2/C98% ee.
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40
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29144475057
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note
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Differently substituted oxazolidinones can be used in this process. It was found that tBu substitution often results in slightly improved ee values relative to those obtained with a iPr group. Phenyl and Benzyl substitution also result in high selectivities, however, these substituents are not inert under reaction conditions, resulting in the formation of reduced oxazolidinones.
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