Observations on selectivity reversal during chiral auxiliary-directed asymmetric nucleophile additions to arene–manganese tricarbonyl complexes

A. Pearson, M. Milletti, P. Zhu
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引用次数: 3

Abstract

A study of hydride nucleophile reactions with η6-(2R, 5R)-dimethylpyrrolidinylbenzene–manganese tricarbonyl hexafluorophosphate 1 reveals an unexpected reversal of selectivity during addition of hydride to the diastereotopic meta carbons, which is explained on the basis of changes in transition state location as the reactivity of the nucleophile is varied.
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手性辅助定向不对称亲核试剂加成芳烃-锰三羰基配合物选择性逆转的观察
对亲核试剂与η6-(2R, 5R)-二甲基吡咯烷二苯-三羰基六氟磷酸锰1的反应进行了研究,发现在非对映位元碳上加氢时,选择性发生了意想之外的逆转,这是由于亲核试剂的反应活性变化导致过渡态位置的变化。
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