[(2S,3S,4E,6S,7R,10R)-7-hydroxy-3,7-dimethyl-2-[(2E,4E,6R)-6-methyl-6-triethylsilyloxy-7-[(2R,3R)-3-[(2S,3S)-3-triethylsilyloxypentan-2-yl]oxiran-2-yl]hepta-2,4-dien-2-yl]-12-oxo-10-triethylsilyloxy-1-oxacyclododec-4-en-6-yl] 4-cycloheptylpiperazine-1-carboxylate 在
sodium hydride 、
氟化氢吡啶 、
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 、 mineral oil 为溶剂,
生成 [(2S,3S,4E,6S,7R,10R)-10-hydroxy-2-[(2E,4E,6R)-6-hydroxy-7-[(2R,3R)-3-[(2R,3S)-3-hydroxypentan-2-yl]oxiran-2-yl]-6-methylhepta-2,4-dien-2-yl]-7-methoxy-3,7-dimethyl-12-oxo-1-oxacyclododec-4-en-6-yl] 4-cycloheptyl-4-methylpiperazin-4-ium-1-carboxylate;iodide