An enantioselective synthesis of the CE ring system of the alkaloids manzamine A, E and F, and ircinal a
作者:J. Stephen Clark、Paul B. Hodgson
DOI:10.1016/0040-4039(95)00296-o
日期:1995.4
An efficient enantioselective synthesis of the azabicyclo[6.3.0]-undecane 6, corresponding to the CE ring system found in the manzamines A, E, and F, and ircinal A, from (S)-prolinol is described. The key step in the route to 6 was the intramolecular generation and rearrangement of the spiro-fused bicyclic ylide 5 from a copper carbenoid.
描述了一种有效的对映选择性合成氮杂双环[6.3.0]-十一烷6的方法,该方法对应于从(S)-脯氨醇中的甘露糖胺A,E和F中以及CE环中发现的CE环系统。通往6的关键步骤是分子内生成和重排铜类化合物形成的螺环稠合双环叶立德5。