📜3,4,6,7-Tetrahydroxanthyletin置于2,3-二氯-5,6-二氰基-1,4-苯醌体系中,用 苯 作为反应溶剂,化学反应 36.0H,以82%的收率获得产物美洲花椒素 参考文献:An Efficient Synthesis Of (+)-Decursinol From Umbelliferone 标题:An Efficient Synthesis Of (+)-Decursinol From Umbelliferone 摘要:An Efficient,Practical And Enantioselective Total Synthesis Of (+)-Decursinol,Which Has Diverse Range Of Biological Properties Including Anti-Cancer,Anti-Helicobacter Pylori,And Strong Antinociceptive Activities,Has Been Achieved In Five Steps With 41.4% Overall Yield From Umbelliferone. The Improved Ring Construction From Coumarin To Linear Pyranocoumarin Has Been Obtained Through Quinonemethide Intermediate By Using Phenylboronic Acid With Propionic Acid. (C) 2007 Elsevier Ltd. All Rights Reserved. DOI:10.1016/j.Tetlet.2007.02.088
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合成参考文献
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