Synthesis of enantiomerically pure (Z)-(2′R)-1-O-(2′-methoxyhexadec-4′-enyl)-sn-glycerol present in the liver oil of cartilaginous fish |
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Authors: | Carlos D Magnusson Gudmundur G Haraldsson |
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Institution: | 1. Science Institute, University of Iceland, Dunhaga 3, 107 Reykjavik, Iceland |
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Abstract: | Synthesis of enantiopure (Z)-(2′R)-1-O-(2′-methoxyhexadec-4′-enyl)-sn-glycerol 1, the principal methoxylated glyceryl ether found in Nature, is described by a highly convergent five-step process taking place in 27% overall yield. The synthesis is based on an ether bond formation between the chiral synthon (R)-2,3-O-isopropylidene-sn-glycerol and (Z)-(R)-1-chlorohexadec-4-en-2-ol employing ground potassium hydroxide and tetra-n-butylammonium bromide as a catalyst under solvent free conditions. |
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