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Intramolecular Nitrogen Delivery For The Synthesis Of C-Glycosphingolipids. Application To The C-Glycoside Of The Immunostimulant Krn7000, Ahmad Sabri Altiti, David R. Mootoo
Intramolecular Nitrogen Delivery For The Synthesis Of C-Glycosphingolipids. Application To The C-Glycoside Of The Immunostimulant Krn7000, Ahmad Sabri Altiti, David R. Mootoo
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The key reaction in this approach to C-glycosphingolipids is the stereoselective iodocyclization of a sugar-linked homoallylic carbonimidothioate. E and Z reaction substrates were assembled in a convergent fashion via an alkene metathesis strategy and exhibited the same alkene facial selectivity in the iodocyclization irrespective of alkene geometry, although the E alkene was found to be less reactive.