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Issue 29, 2019
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Stereoselective synthesis of unnatural (2S,3S)-6-hydroxy-4-sphingenine-containing sphingolipids

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6-Hydroxy-(4E)-sphingenine-containing sphingolipids are found in mammalian and bacterial membranes and have multiple intra- and intercellular functions. Most sphingolipids contain a (2S,3R)-2-amino-1,3-diol core structure, but only limited examples of unnatural (2S,3S)-2-amino-1,3-diol derivates have so far been reported. Using an underexplored hydrozirconation–transmetalation reaction and an unusual three-step-one-pot deprotection sequence, we were able to synthesize several unnatural (2S,3S)-6-hydroxy-(4E)-sphingenine-containing sphingolipids in only three (protected) or four (deprotected) consecutive steps, respectively, including a fluoresence-labeled derivative suitable for future biological studies.

Graphical abstract: Stereoselective synthesis of unnatural (2S,3S)-6-hydroxy-4-sphingenine-containing sphingolipids

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The article was received on 30 Apr 2019, accepted on 17 May 2019 and first published on 17 May 2019

Article type: Communication
DOI: 10.1039/C9OB00990F
Org. Biomol. Chem., 2019,17, 6964-6969

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    Stereoselective synthesis of unnatural (2S,3S)-6-hydroxy-4-sphingenine-containing sphingolipids

    D. Leichnitz, S. Pflanze and C. Beemelmanns, Org. Biomol. Chem., 2019, 17, 6964
    DOI: 10.1039/C9OB00990F

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