tert-Butyl-(4,4-dimethyl-hex-5-ynyloxy)-diphenyl-silane 在
copper(I) bromide dimethylsulfide complex 、
三氟化硼乙醚 、
叔丁基锂 、 9-bromo-9-borabicyclo[3.3.1]nonane 、 magnesium bromide 作用下,
生成 (1R,2S)-2-[5-(tert-Butyl-diphenyl-silanyloxy)-2,2-dimethyl-1-methylene-pentyl]-5-oxo-cyclopentanecarboxylic acid (1R,2S,3R,4S)-3-[benzenesulfonyl-(3,5-dimethyl-phenyl)-amino]-1,7,7-trimethyl-bicyclo[2.2.1]hept-2-yl ester