PubMed · 2292172
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E Lee, K Williams. 1990. Need for precise chiral nomenclature.. https://doi.org/10.2165/00003088-199019060-00007
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A simple one-pot procedure for the Sakurai-Prins-Ritter sequence allows rapid assembly of 4-acylamino-2,6-substituted tetrahydropyrans in high yields and with excellent diastereoselectivity from readily available 4-acetoxy-1,3-dioxanes, allylsilanes, and nitriles. A variety of nitriles have been shown to participate. Diastereoselectivities are uniformly high and observed stereochemistry of cation trapping proceeds according to Alder's model of the 4-tetrahydropyranyl cation.
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