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We and others have demonstrated the utility of the permanganate-promoted oxidative cyclization of 1,5-dienes for synthesis of structural fragments found in oxygenated natural productsla'b•2 and materials of medicinal importance.3 In the standard implementation of this reaction, a structurally complex product possessing four new tetrahedral stereocenters is created stereospecifically from a simple achiral diene precursor in a single transformation. Of course under these circumstances racemic

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