sodium thiocyanide 、 1-[(1S,2S,3S,4R)-4-Bromo-3-(tert-butyl-diphenyl-silanyloxymethyl)-2-fluoro-cyclopentyl]-3-((E)-3-methoxy-2-methyl-acryloyl)-urea 以83%的产率得到1-[(1R,2R,3R,4R)-3-(tert-Butyl-diphenyl-silanyloxymethyl)-2-fluoro-4-thiocyanato-cyclopentyl]-3-((E)-3-methoxy-2-methyl-acryloyl)-urea