Rhodium(Ⅰ)-Catalyzed [4+2] Cycloaddition Reactions of 2-Alkylenecyclobutanols with Alkynes and (E)+-2-Nitroethenylbenzene through C(sp2)-C(sp3) Bond Cleavage
Rhodium(Ⅰ)-Catalyzed [4+2] Cycloaddition Reactions of 2-Alkylenecyclobutanols with Alkynes and (E)+-2-Nitroethenylbenzene through C(sp2)-C(sp3) Bond Cleavage