5-dicarboxylate with 2-halomethylallyl halides to give cycloheptane derivatives was reported quite recently by Rodriguez et a l . (Eq. Our interest in double ring enlargements of substituted bicyclo[3.3.0]octanes to bicyclo[5.5.0]dodecanes as possible intermediates for certain polycycles,3.4 prompted us to apply this new reaction to compound l.s
Rodriguez 等人最近报道了一种优雅的三步一锅环扩大
环戊酮-2,5-二
羧酸二甲酯与 2-卤代甲基烯丙基卤化物的
环庚烷衍
生物。(方程式:我们对取代双环 [3.3.0]
辛烷双环扩大为双环 [5.5.0]
十二烷作为某些多环的可能中间体的兴趣,3.4 促使我们将这种新反应应用于化合物 ls