1-(4-Iodohexa-4,5-dien-1-yl)-4-methyl-2,6,7-trioxabicyclo[2.2.2]octane 、 tert-Butyl-[(R)-((1R,2S)-2-ethyl-cyclopropyl)-((1R,2R,3R,5S)-2-ethynyl-6-oxa-bicyclo[3.1.0]hex-3-yl)-methoxy]-dimethyl-silane 在
正丁基锂 、
copper(l) cyanide 作用下,
生成 tert-Butyl-((R)-((1R,2S)-2-ethyl-cyclopropyl)-{(1R,2R,3R,5S)-2-[8-(4-methyl-2,6,7-trioxa-bicyclo[2.2.2]oct-1-yl)-octa-1,4-diynyl]-6-oxa-bicyclo[3.1.0]hex-3-yl}-methoxy)-dimethyl-silane