Abstract : Treatment of γ-unsaturated oxime esters with cupric acetate or ferric chloride in acetic acid / t-butanol or in t-butanol alone leads to the formation of vinyl- or chloroalkyl- substituted Δ1-pyrrolines in moderate to good yield.
Mathilde Bingham, Cécille Moutrille, Samir Zard. A Simple Route to Functionalized Δ1-Pyrrolenines. Heterocycles, The Japan Institute of Heterocyclic Chemistry, 2014, 88 (2), pp.953-960. ⟨10.3987/COM-13-S(S)94⟩. ⟨hal-00951312⟩