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[摘要]:Dimethylaluminium methaneselenolate (Me2AlSeMe, 1) acts as an acyl transfer agent for esterification. In cases of direct macrolactonisation (n = 10-12), this selenium-aluminium complex preferentially creates symmetric macrodiolides rather than macrolides. The factors determining macrodilactonisation were investigated and applied toward the total synthesis of norpyrenophorin, which result in a macrodilactonisation yield of 64%. |
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