Trifluoro-methanesulfonic acid (2R,3S,5S,6S)-1,4-dimethylene-2,3,5,6-tetrakis-triethylsilanyloxy-8-trimethylsilanyl-oct-7-ynyl ester 在
N-溴代丁二酰亚胺(NBS) 、
silver nitrate 作用下,
以
四氢呋喃 、
丙酮 为溶剂,
反应 22.0h,
生成 (3S,4S,6S,7S)-1,11-Dibromo-5,8-dimethylene-3,4,6,7-tetrakis-triethylsilanyloxy-undeca-1,10-diyne