结果表明反应是一个H17带正电迁移引发的途经六元环过渡态的单分子热消除反应。
The results obtained show that these compounds undergo unimolecular first-order pyrolytic reaction via a six-center cyclic transition state . This kind of the reaction is controlled by migrating of the atom H 17 with positive charge .
单分子消除反应