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| Studies on Agarofurans Ⅰ. New Synthesis of Nor-Ketoagarofuran and 4-Hydroxydihydroagarofuran | |
| 摘 要： | Nor-ketmpofuran(1)and4hydroxydih~(2)areboofthehanoidsisoatedfrOIn~~oil,~nedfromthetwinfectedPlanAguiIboaagaIIOCaROxb(1).AlthoUgbtheSynthesisOfnor-ket-ran(1)hasthendescrind'),itishighlyrestriCtedtyitsPr~r,p-grofiiran.ThebiOaCtivityofmp-onthenervous-SystemhasbenfoundQ).Nor-ketOagarOfuran(1)InayalsoPOSSeSshi~vity,anditisaedintermAnatefOrfurthermedcation.Thusitwasdeemedwerth-chletOsearhfOrnewroUtestonor-ket~ran(1).Schemel.afM-CPBA,CH-2Cl2,btLmEtO,cfPCC,ChiCl2,d'LmAlC1$EtOOUr… |
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