Axial delivery of the vinyl group and subsequent axial alkylation with methyl iodide are the direct result of the stereoelectronic preference for axial delivery and enolate-like alkylations.

• 轴交货的乙烯烷基甲基轴集团和随后的直接结果是碘的立体偏爱轴流送烯醇式烷基.