The reaction of the halobicyclobutane derivatives and with LDA in the presence of isoindoles afforded the azapropellanes and via the bicyclobutene intermediates and , respectively.
所述halobicyclobutane衍
生物的反应和用
LDA在异
吲哚的存在下,得到azapropellanes和经由bicyclobutene中间体和分别。