2,2-Dimethyl-propionic acid (3aS,3bS,4R,6R,6aS,6bR)-6-[(1R,2S)-2-((E)-2,6-dimethyl-hepta-1,5-dienyl)-1-formyl-cyclopropyl]-2-oxo-hexahydro-1,3-dioxa-cyclobutadicyclopenten-4-yl ester 在
potassium carbonate 作用下,
以
甲醇 为溶剂,
生成 2,2-Dimethyl-propionic acid (1R,2R,4R,5S,6R,7S)-4-[(1R,2S)-2-((E)-2,6-dimethyl-hepta-1,5-dienyl)-1-formyl-cyclopropyl]-6,7-dihydroxy-bicyclo[3.2.0]hept-2-yl ester