A novel neolignan, mansoxetane, and two new sesquiterpenes, mansonones R and S, from Mansonia gagei |
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| Authors: | Pattara Tiew Hiromitsu TakayamaMariko Kitajima Norio AimiUdom Kokpol Warinthorn Chavasiri |
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| Institution: | a Natural Products Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
b Graduate School of Pharmaceutical Sciences, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan |
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| Abstract: | Three new compounds, mansoxetane; 4′-(3-hydroxy-1,2-oxetanyl)-2′,2-dihydroxy-4-(2-formyl-1-ethyl)-6′,6-dimethoxy biphenyl, and mansonones R and S, together with two previously reported coumarins, mansorins A and C, and four known mansonones, mansonones C, E, G and H, were obtained from the methanolic extract of the heartwood from Mansonia gagei Drumm. Their structures were established by spectroscopic methods. |
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