Lewis acid-mediated radical cyclization: stereocontrol in cascade radical addition–cyclization–trapping reactions
作者:Hideto Miyabe、Ryuta Asada、Yoshiji Takemoto
DOI:10.1039/c2ob25073j
日期:——
An efficient approach for achieving radical cyclizations by using hydroxamate ester as a coordination tether with Lewis acid was studied. The chiral Lewis acid-mediated cascaderadicaladdition–cyclization–trappingreaction proceeded smoothly with good enantio- and diastereoselectivities, providing various chiral γ-lactams.