四甲基二乙烯基二硅氧烷 、
ethenyl-[[(5S)-3-[3-[(5R)-5-[[ethenyl(dimethyl)silyl]oxy-dimethylsilyl]-4,5-dihydro-1,2-oxazol-3-yl]phenyl]-4,5-dihydro-1,2-oxazol-5-yl]-dimethylsilyl]oxy-dimethylsilane 在
三乙胺 作用下,
以
二氯甲烷 为溶剂,
以48%的产率得到(5S,9S,21R,25R)-6,6,8,8,22,22,24,24-octamethyl-4,7,10,20,23,26-hexaoxa-3,11,19,27-tetraza-6,8,22,24-tetrasilaheptacyclo[27.3.1.12,5.19,12.113,17.118,21.125,28]octatriaconta-1(33),2,11,13(36),14,16,18,27,29,31-decaene