Scheme 31.
Cu(II)-Catalyzed Formation of CF3-Substituted Vinylic Cyclopropanes 75 from 2,3-Butadienyl Malonates 74 with Togni Reagent II
Cu(II)-Catalyzed Formation of CF3-Substituted Vinylic Cyclopropanes 75 from 2,3-Butadienyl Malonates 74 with Togni Reagent II