Acetic acid (6Z,11Z)-(1S,2S,3R,8S,9S,10S)-3,9-bis-(4-methoxy-benzyloxy)-2,8,10-trimethyl-1-((Z)-(S)-1-methyl-penta-2,4-dienyl)-15-(tetrahydro-pyran-2-yloxy)-pentadeca-6,11-dienyl ester 在
4-甲基苯磺酸吡啶 作用下,
以
乙醇 为溶剂,
以84%的产率得到Acetic acid (6Z,11Z)-(1S,2S,3R,8S,9S,10S)-15-hydroxy-3,9-bis-(4-methoxy-benzyloxy)-2,8,10-trimethyl-1-((Z)-(S)-1-methyl-penta-2,4-dienyl)-pentadeca-6,11-dienyl ester