Inocalophyllins A, B and Their Methyl Esters from the Seeds of Calophyllum inophyllum

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概要

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• Fractionation of the ethanolic extract of the seeds of Calophyllum inophyllum L. has resulted in the isolation of four novel pyranocoumarin derivatives, designated as inocalophyllins A (1), B (2) and their methyl esters (3, 4) in addition to the known calophyllolide. The structures of these compounds have been determined on the basis of spectroscopic analysis including MS, heteronuclear single quantum coherence (HSQC), heteronuclear multiple bond connectivity (HMBC) and two dimensional incredible natural abundance double quantum transfer experiment (2D-INADEQUATE). Two new methylated products, 5 and 6 were also prepared by methylation of compounds 1 and 2, respectively.

• 公益社団法人日本薬学会の論文
• 2003-07-01

著者

• Wang L‐t

  National Sun Yat‐sen Univ. Kaohsiung Twn

• Wang Li-tang

  Institute Of Marine Resources National Sun Yat-sen University

• SHEN Ya-Ching

  Institute of Marine Resources, National Sun Yat-sen University

• HUNG Meng-Chieh

  Institute of Marine Resources, National Sun Yat-sen University

• CHEN Ching-Yu

  Institute of Marine Resources, National Sun Yat-sen University

• Chen Ching-yu

  Institute Of Marine Resources National Sun Yat-sen University

• Shen Ya-ching

  Institute Of Marine Resources National Sun Yat-sen University

• Hung Meng-chieh

  Institute Of Marine Resources National Sun Yat-sen University

関連論文

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• Chromanones and Dihydrocoumarins from Calophyllum blancoi
• A Novel Cytotoxic C-Methylated Bifiavone, Taiwanhomoflavone-B from the Twigs of Cephalotaxus wilsoniana
• A Novel Cytotoxic C-Methylated Biflavone from the Stem of Cephalotaxus wilsoniana
• Inocalophyllins A, B and Their Methyl Esters from the Seeds of Calophyllum inophyllum
• Bioactive Pyranoxanthones from the Roots of Calophyllum blancoi
• Two New Sesquiterpene Lactones from Ixeris chinensis
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• New Taxane Diterpenoids from Taiwanese Taxus sumatrana
• Taxumairols X-Z, New Taxoids from Taiwanese Taxus mairei
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• The Preparation and Evaluation of 1-Substituted 1,2,3,4-Tetrahydro- and 3,4-Dihydro-β-carboline Derivatives as Potential Antitumor Agents
• Storage Behavior of Chionanthus retusus Seed and Asynchronous Development of the Radicle and Shoot Apex during Germination in Relation to Germination Inhibitors, Including Abscisic Acid and Four Phenolic Glucosides
• Taxane Diterpenoids from Seeds of Taxus mairei
• New Bicyclic Taxane Diterpenoids from Taxus sumatrana

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