Conformational control in the SuperQuat chiral auxiliary 5,5-dimethyl-4-iso-propyloxazolidin-2-one induces the iso-propyl group to mimic a tert-butyl group
1H NMR nOe spectroscopic studies reveal that conformational control in the enolates of N-acyl-5,5-dimethyl-4-iso-propyloxazolidin-2-ones ensures that the stereodirecting effect of its 4-iso-propyl-5,5-dimethyl functional group affords superior levels of facial selectivity normally associated with en...
Asıl Yazarlar: | Bull, S, Davies, S, Key, MS, Nicholson, R, Savory, E |
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Materyal Türü: | Journal article |
Dil: | English |
Baskı/Yayın Bilgisi: |
2000
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