Hydrophobically directed selective reduction of ketones using amine boranes |
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Authors: | Christopher Uyeda Ronald Breslow |
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Institution: | Department of Chemistry, Columbia University, New York, NY 10027, USA |
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Abstract: | Amine boranes bearing hydrophobic substituents were used to reduce aryl ketones in competition with a methyl ketone. Their high stability in protic solvents combined with their ease of preparation made amine boranes useful compounds in the study of hydrophobically directed selective reductions. Several characteristics of the reducing agent were found to be important in determining the reaction selectivity, including available hydrocarbon surface area, degree of fluorination, and proximity of the hydrophobic group to the active hydrides. |
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Keywords: | Substrate selectivity Antihydrophobic effects Fluorocarbons |
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