(1R,5R,12S,16S)-3,14-bis(2-methoxyethoxy)nonacyclo[14.6.6.65,12.02,15.04,13.06,11.017,22.023,28.029,34]tetratriaconta-2,4(13),6,8,10,14,17,19,21,23,25,27,29,31,33-pentadecaene-8,9,19,20-tetrol 、 1,2-bis{2-[2-(2-tosylethoxy)ethoxy]ethoxy}benzene 在
caesium carbonate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 84.0h,
以0.25 g的产率得到(1S,5S,38R,42R)-3,40-bis(2-methoxyethoxy)-9,12,15,18,25,28,31,34,46,49,52,55,62,65,68,71-hexadecaoxatridecacyclo[40.32.6.65,38.02,41.04,39.06,37.08,35.019,24.043,74.045,72.056,61.075,80.081,86]hexaoctaconta-2,4(39),6,8(35),19,21,23,36,40,43,45(72),56,58,60,73,75,77,79,81,83,85-henicosaene