rac-4'β-Ethoxy-1',4',4'a,5',8',8'a-hexahydro-4'aα,6'-dimethylspiro
-5',8'-dion 在
sodium hydroxide 、 双氧水 作用下,
以
甲醇 为溶剂,
生成 rac-7'α-Ethoxy-7',7'a-dihydro-2'ξ-hydroxy-2',7'aβ-dimethylspiro4'(2'H)-indan-1'-on 、 rac-6'β-Ethoxy-1'aξ,6',6'a7'a-tetrahydro-6'aα,7'aξ-dimethylspiro-oxiren>-2',7'-dion