The cyclization of epoxyalkenes to oxabicycloalkanes is catalyzed by stoichiometric quantities of indium tribromide which exhibits excellent selectivity giving the oxabicyclic product in high yield in preference to other cyclized or rearrangement products.
环氧烯烃环化成氧杂双环
烷烃的过程是由一定量的三
溴化
铟催化的,该催化剂具有极佳的选择性,能优先于其他环化或重排产物而高产出氧杂双环产物。