A novel neolignan, mansoxetane, and two new sesquiterpenes, mansonones R and S, from Mansonia gagei

• Published in: Tetrahedron letters Vol. 44; no. 35; pp. 6759 - 6761
• Main Authors: Tiew, Pattara, Takayama, Hiromitsu, Kitajima, Mariko, Aimi, Norio, Kokpol, Udom, Chavasiri, Warinthorn
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 25-08-2003
• ISSN: 0040-4039; 1873-3581
• DOI: 10.1016/S0040-4039(03)01616-2

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.
Three new compounds, mansoxetane and mansonones R and S, were obtained from the heartwood of
Mansonia gagei.