Nickel-Catalyzed Three-Component Connection Reaction of Dimethylzinc, 1,ω-Ene-Diene, and Acetone: Synthesis of 1,2-Disubstituted Cycloalkanes
作者:Yoshinao Tamaru、Masanari Kimura、Keisuke Kojima
DOI:10.1055/s-2004-834908
日期:——
Under nickel catalysis, 1,3,8-nonatrienes and 1,3,9-decatrienes 3 react at room temperature with dimethylzinc and acetone at the alkene and diene termini, respectively, providing 1,2-disubstituted cycloalkanes 4 in good yield. The stereoselectivities of 4 provide useful information about the mechanistic frameworks for the present reaction and related cyclization reaction of Ï-dienynes 1.
在镍催化下,1,3,8-九三烯和1,3,9-癸三烯3在室温下分别与二甲基锌和丙酮在烯烃和二烯末端反应,以良好的产率提供1,2-二取代的环烷烃4。 4 的立体选择性提供了有关本反应和相关α-二炔 1 环化反应的机理框架的有用信息。