(1R,16S,17R,18S,19R,20S,21R,24S,25R,26S,27R,28S)-21,22,23,24-tetrachloro-3,14,31,31-tetramethoxy-18,27-dimethyldecacyclo[14.12.1.119,26.121,24.02,15.04,13.06,11.017,28.018,27.020,25]hentriaconta-2,4,6,8,10,12,14,22-octaene 在
sodium 作用下,
以
异丙醇 为溶剂,
反应 24.0h,
以77%的产率得到(1S,16R,17S,18R,19S,20S,21R,24S,25R,26R,27S,28R)-3,14,31,31-tetramethoxy-18,27-dimethyldecacyclo[14.12.1.119,26.121,24.02,15.04,13.06,11.017,28.018,27.020,25]hentriaconta-2,4,6,8,10,12,14,22-octaene