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- W2950456095 abstract "Allylation of enolizable α-diketones with allyltrifluorosilanes in the presence of triethylamine gave the corresponding tertiary homoallyl alcohols in good yield in a highly regio- and stereospecific manner. The reaction proceeds as diallylation with allyltrifluorosilanes yielding the 1,2-diols with high diastereoselectivity. The more sterically demanding crotyl- and prenyltrifluorosilanes lead exclusively to monoallylated products with the allyl group being added γ-regioselectively. In addition, highly diastereoselective crotylation was observed in the formation of the monoallylated α-hydroxy ketones. Asymmetric α-diketones were generally allylated at the less enolized ketone group except when both diketone and allylsilane were sterically hindered." @default.
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- W2950456095 date "1996-01-01" @default.
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- W2950456095 title "Highly Regio- and Stereoselective Allylation of α-Diketones via the Fluorosilicate Route" @default.
- W2950456095 doi "https://doi.org/10.1055/s-1996-4151" @default.
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