Dieskau, André P. Holzwarth, Michael S. Plietker, Bernd Fe-Catalyzed Allylic C–C-Bond Activation: Vinylcyclopropanes As Versatile a1,a3,d5-Synthons in Traceless Allylic Substitutions and [3 + 2]-Cycloadditions The low-valent iron complex Bu<sub>4</sub>N­[Fe­(CO)<sub>3</sub>(NO)] (<i>TBAFe</i>) catalyzes the allylic C–C-bond activation of electron-poor vinyl cyclopropanes to generate synthetically useful a1,a3,d5-synthons which are prone to undergo multiple consecutive reactions. The versatility of this approach is demonstrated by a traceless allylic substitution and a formal [3 + 2] cycloaddition to give either functionalized acyclic products or densely substituted cyclopentanes and pyrrolidines in high yields and regioselectivities. regioselectivitie;catalyze;yield;cycloaddition;TBAFe;traceless allylic substitution;pyrrolidine;Activation;Traceless Allylic Substitutions;approach;Versatile;activation;cyclopentane;cyclopropane;Bu 4N;versatility;Vinylcyclopropane;functionalized acyclic products;CycloadditionsThe;synthetically 2012-03-21
    https://acs.figshare.com/articles/dataset/Fe_Catalyzed_Allylic_C_C_Bond_Activation_Vinylcyclopropanes_As_Versatile_a1_a3_d5_Synthons_in_Traceless_Allylic_Substitutions_and_3_2_Cycloadditions/2538244
10.1021/ja300294a.s004