(3aS,5aR,9aR)-7-Hydroxy-2,2,5a,6,7-pentamethyl-2,3,3a,4,6,7-hexahydro-5aH-cyclopenta[c]indene-1,5-dione 在
jones reagent 、
臭氧 作用下,
生成 (3aS,4S,6aR)-4-(2-Carboxy-2-hydroxy-1-methyl-propyl)-2,2,4-trimethyl-3,5-dioxo-hexahydro-pentalene-3a-carboxylic acid