Verticillane Derivatives from <i>Bursera</i> <i>s</i><i>untui </i>and <i>Bursera </i><i>k</i><i>erberi</i>
作者:Juan D. Hernández-Hernández、Luisa U. Román-Marín、Carlos M. Cerda-García-Rojas、Pedro Joseph-Nathan
DOI:10.1021/np050323e
日期:2005.11.1
rotatory dispersion data with that of recently revised (1S,3E,7E,11S,12S)-(+)-verticilla-3,7-dien-12-ol (6), obtained from Sciadopitys verticillata, and those of (1R,3E,7E,11R,12R)-(-)-verticilla-3,7-dien-12-ol (8) and (1R,3E,7E,11R,12S)-(-)-verticilla-3,7-dien-12-ol (9), isolated from the liverwort Jackiella javanica. The conformational preferences of 1-7 were studied by molecular mechanics modeling employing
Suntui bursera的茎提供了两种新的藜芦衍生物,(1S,3Z,7E,11S,12S)-(+)-verticilla-3,7-dien-12,20-二醇(1)和(1S,3Z,7E ,11S,12S)-(+)-verticilla-3,7-dien-12,20-diol 20-acetate(2)和(1S,3E,7E,11R)-(+)-verticilla-3, 7,12(18)-三烯(3),(1R,3E,7E,11R,12Z)-(+)-verticilla-3,7,12-三烯(4),(1R,7E,11Z)-( -)-verticilla-4(20),7,11-三烯(5)和(1S,3E,7E,11S,12S)-(+)-verticilla-3,7-dien-12-ol(6) 。化合物3和4是新的对映体纯天然产物,其外消旋混合物是先前从紫杉烷骨架的合成方法获得的。柏树的茎提供了新的(1