dolabellane diterpenoids claenone, palominol and dolabellatrienone was conducted from d-mannitol. In each case, formation of the bicyclo[2.2.1]heptane derivative by sequential Michael reaction, preparation of the tetrasubstituted cyclopentane derivative by retro-aldol reaction and cyclization of sulfone were involved as key steps.
海洋dlabellane二
萜类化合物claenone,palominol和dolabellatrienone的合成是由d-
甘露糖醇进行的。在每种情况下,关键步骤包括通过顺序迈克尔反应形成
双环[2.2.1]庚烷衍
生物,通过逆醛醇缩合反应制备四取代的
环戊烷衍
生物和砜环化。