[(2R,3R,4S,5S,6R)-2-[(E)-1-iodoprop-1-en-2-yl]-3,5-dimethyl-6-[(E)-3-[4-[(2S,4S)-4-[[(2R,6R)-4-methylidene-6-(2-oxoethyl)oxan-2-yl]methyl]-1,3-dioxan-2-yl]-1,3-oxazol-2-yl]prop-2-enyl]oxan-4-yl] 2-[bis(2,2,2-trifluoroethoxy)phosphoryl]acetate 在
18-冠醚-6 potassium carbonate 作用下,
以
甲苯 为溶剂,
反应 5.0h,
以57%的产率得到(1S,6E,9R,11R,12R,13S,16Z,19S,23R,25S,31S)-11-[(E)-1-iodoprop-1-en-2-yl]-12,31-dimethyl-21-methylidene-4,10,14,28,29,30-hexaoxa-32-azapentacyclo[23.3.1.12,5.19,13.119,23]dotriaconta-2,5(32),6,16-tetraen-15-one