An originally designed Rh-catalyzed [4 + 2] cycloaddition reaction of nitrogen-tethered 1,7-ene-dienes turned out to be a cycloisomerization reaction, which involves allylic C-H activation/alkene insertion into Rh-H bond/reductive elimination processes. Deuterium labeling experiments gave support to the proposed mechanism. This unexpected cycloisomerization reaction provides an efficient way to synthesize
最初设计的氮束缚的1,7-烯二烯的Rh催化的[4 + 2]环加成反应是一种环异构化反应,涉及烯丙基CH活化/烯烃插入Rh-H键/还原消除过程。
氘标记实验为拟议的机制提供了支持。这种意想不到的环异构化反应提供了一种从容易获得的线性1,7-烯二烯合成反式二
乙烯基哌啶的有效方法。