Benzoic acid (2R,3S,4S,6S)-2-((E)-(R)-3-hydroxy-oct-1-enyl)-6-methoxy-3-((Z)-6-methoxycarbonyl-hex-2-enyl)-tetrahydro-pyran-4-yl ester 在
potassium carbonate 作用下,
以
甲醇 为溶剂,
反应 96.0h,
以71.5%的产率得到(Z)-7-[(2R,3S,4S,6S)-4-Hydroxy-2-((E)-(R)-3-hydroxy-oct-1-enyl)-6-methoxy-tetrahydro-pyran-3-yl]-hept-5-enoic acid methyl ester