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Stereochemical control in reactions of chiral ketone with 2-lithiated substituted ferrocene derivatives

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Abstract

The formation of a new chiral center in the reactions of ketone 4-MeOC6H4CH(Et)C(O)Et with planar-chiral 2-lithio-1-methyl- and 1-chloro-2-lithioferrocenes proceeded stereoselectively to give two diastereomers in a ratio of ∼3 : 2 or a single diastereomer, respectively, out of four possible diastereomeric 4-aryl-3-ferrocenylhexan-3-ols. The replacement of the hydroxy group in the resulting compounds by hydrogen under the conditions of ionic hydrogenation was studied. The configurations of the reaction products were established by X-ray diffraction analysis and 1H NMR spectroscopy.

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Troitskaya, L.L., Demeshchik, T.V., Ovseenko, S.T. et al. Stereochemical control in reactions of chiral ketone with 2-lithiated substituted ferrocene derivatives. Russian Chemical Bulletin 52, 616–623 (2003). https://doi.org/10.1023/A:1023950505008

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  • DOI: https://doi.org/10.1023/A:1023950505008

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