(3R,3aS,4R,5R,7S,9R,9aR,12R)-3-methoxy-4,7,9,12-tetramethyl-8-oxo-7-vinyldecahydro-4,9a-propanocyclopenta[8]annulen-5-yl 2-hydroxyacetate 在
臭氧 、
溶剂黄146 、 potassium iodide 作用下,
以82%的产率得到8-Glykoyl-1-methoxy-octahydro-4,6,9,10-tetramethyl-6-formyl-3a,9-propano-3aH-cyclopentacycloocten-5(4H)-on