乙酸酐 、 clementein B 在
吡啶 作用下,
反应 24.0h,
生成
2-Acetoxymethyl-acrylic acid (3S,3aR,4S,6aR,8S,9aR,9bR)-8-acetoxy-3-((R)-2-acetoxy-propyl)-3-hydroxy-6,9-dimethylene-2-oxo-dodecahydro-azuleno[4,5-b]furan-4-yl ester 、 2-Acetoxymethyl-acrylic acid (3S,3aR,4S,6aR,8S,9aR,9bR)-3,8-diacetoxy-3-((R)-2-acetoxy-propyl)-6,9-dimethylene-2-oxo-dodecahydro-azuleno[4,5-b]furan-4-yl ester