complex. When a cyclobutanone bearing a hydrogen atom at the 3-position was used, appropriate choice of the catalyst system led to the selective formation of either a cyclopropane or an alkene. Breaking of the carbon−carbon bond was next combined with hydrogenolysis. When cyclobutanone was treated under hydrogen pressure with a catalytic amount of a rhodium(I) complex having a bidentate diphos...
描述了
铑 (I) 催化合成转化的研究,包括选择性断裂 C-C 键 α 到
环丁酮的羰基。用等摩尔量的 (Ph3P)3RhCl 在
甲苯中回流处理
环丁酮时发生
脱羰,得到相应的
环丙烷。
环丙烷的形成表明,Rh(I) 在初始步骤中插入了羰基
碳和 α-
碳之间的键。还实现了
环丁酮的催化
脱羰。反应的模式和速率很大程度上取决于
铑(I)配合物的
配体。When a cyclobutanone bearing a hydrogen atom at the 3-position was used, appropriate choice of the catalyst system led to the selective formation of either a cyclopropane or an alkene.
碳-
碳键的断裂接下来与
氢解结合。当
环丁酮在
氢气压力下用催化量的具有双齿
双膦的
铑(I)配合物处理时..