Kudoh T, Ishikawa T, Shimizu Y, Saito S. Intramolecular cycloaddition reactions of silyl nitronate tethered to vinylsilyl group: 2-nitroalkanols as precursors for amino polyols.
Org Lett 2004;
5:3875-8. [PMID:
14535732 DOI:
10.1021/ol035423v]
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Abstract
[reaction: see text] A method for converting 2-nitroalkanols to precursors for stereodefined amino polyols is described. Diphenylvinylsilylation of the 2-nitroalkanols' hydroxy groups and subsequent silyl nitronate generation by using TMS-Cl and Et(3)N in CH(3)CN at 0 degrees C to room temperature led to fused-bicyclic heterocycles through stereoselective intramolecular nitronate-olefin [3 + 2] cycloaddition reaction. Some examples for transforming the cycloadducts to amino polyols are also presented.
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