四甲基二乙烯基二硅氧烷 、
ethenyl-[[(5R)-3-[4-[(5S)-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35%的产率得到(5S,9S,20R,24R)-6,6,8,8,21,21,23,23-octamethyl-4,7,10,19,22,25-hexaoxa-3,11,18,26-tetraza-6,8,21,23-tetrasilaheptacyclo[26.2.2.213,16.12,5.19,12.117,20.124,27]octatriaconta-1(31),2,11,13,15,17,26,28(32),29,35-decaene