Synthesis of 25-oxygenated D:A-friedooleananes from D:A-friedoolean-7β -ol
作者:Bhanusuta Mitra、Manju Sen、Saktipada Das
DOI:10.1016/s0040-4039(00)88490-7
日期:1988.1
D:A-Friedoolean-25-ol () and 25-al () have been synthesised from D:A-friedoolean-7β -ol (). Substituted tetrahydrofuran rings are opened up on treatment with lithium in ethylene-diamine to yield the corresponding saturated alcohols.