In the presence of a catalytic amount of Ni°, 2-methyl-1,3-dioxep-4-ene (1) reacts with secondary halogen magnesioamides (2) to give mixtures of 4-aminobut-2-enols (3) and 2-aminobut-3-enols (4), arising from α- or γ-substitution to 1. The stereo- and regiochemistry of the reaction is closely related to the structures of 2.
在催化量的Ni°存在下,
2-甲基-1,3-二
氧杂-4-
烯(1)与仲卤
镁硅酰胺(2)反应,生成4-
氨基丁-2-
烯醇的混合物(3)和由α-或γ取代为1的2-aminobut-3-enols(4)。反应的立体
化学和区域
化学与2的结构密切相关。