Homoallyl radical, e.g. , reacts with an electron-deficient olefinic bond with a new CC bond forming and arising of a 5-hexenyl radical which further undergoes to cyclization with a cyclopentane ring () annulation.
均烯丙基例如与具有新的CC键的缺电子的烯键反应,并由5-己烯基产生,该5-己烯基进一步用
环戊烷环()环化进行环化。