Studies on the total synthesis of the sa
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Giovanni Vidari; Gianluigi Lanfranchi; Natalina Pazzi; Stefano Serra
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Article
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1999
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Elsevier Science
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French
โ 214 KB
An asymmetric synthesis of the tricyclic spiroketal subunit of the saponaceolides is described in which the absolute stereochemistry at C-2' and C-6' is established through a conformationally and stereoelectronically controlled cyclization ofa dihydroxyketone pyran intermediate.