Tert-butyl-diphenyl-[3-[29,33,37-tris[3-[tert-butyl(diphenyl)silyl]oxypropyl]-6,12,18,39-tetramethyl-2,4,8,10,14,16,20,22-octaoxanonacyclo[21.15.1.124,38.05,36.07,34.011,32.013,30.017,28.019,26]tetraconta-1(38),5,7(34),11(32),12,17(28),18,23(39),24(40),26,30,35-dodecaen-25-yl]propoxy]silane 在
N-溴代丁二酰亚胺(NBS) 、
偶氮二异丁腈 作用下,
以
四氯化碳 为溶剂,
反应 24.0h,
以74%的产率得到Tert-butyl-diphenyl-[3-[6,12,18,39-tetrakis(bromomethyl)-29,33,37-tris[3-[tert-butyl(diphenyl)silyl]oxypropyl]-2,4,8,10,14,16,20,22-octaoxanonacyclo[21.15.1.124,38.05,36.07,34.011,32.013,30.017,28.019,26]tetraconta-1(38),5,7(34),11(32),12,17(28),18,23(39),24(40),26,30,35-dodecaen-25-yl]propoxy]silane