Shi, Zugui Tan, Bin Wen Yi Leong, Wendy Zeng, Xiaofei Lu, Min Zhong, Guofu Catalytic Asymmetric Formal [4 + 1] Annulation Leading to Optically Active <i>cis</i>-Isoxazoline <i>N</i>-Oxides The catalytic asymmetric synthesis of densely functionalized <i>cis</i>-isoxazoline <i>N</i>-oxides was realized with novel use of an organocatalyst, (<i>S</i>)-2-(azidodiphenylmethyl)pyrrolidine (<b>4e</b>) (Tan, B.; Zhu, D.; Zhang, L.; Chua, P. J.; Zeng, X.; Zhong, G. <i>Chem.−Eur. J.</i> <b>2010</b>, <i>16</i>, 3842; Olivares-Romero, J. L.; Juaristi, E. <i>Tetrahedron</i> <b>2008</b>, <i>64</i>, 9992), via an elegant formal [4 + 1] annulation strategy using readily available 2-nitroacrylates and α-iodoaldehydes. novel use;Catalytic;functionalized;Zhong;Tetrahedron;Annulation;Optically;Juaristi;Zhang;Asymmetric;annulation;strategy;nitroacrylate;Chem;synthesis;Zhu;iodoaldehyde;Chua;Zeng;organocatalyst;Tan;Formal 2010-12-03
    https://acs.figshare.com/articles/journal_contribution/Catalytic_Asymmetric_Formal_4_1_Annulation_Leading_to_Optically_Active_i_cis_i_Isoxazoline_i_N_i_Oxides/2707711
10.1021/ol102181r.s001