(+)(Ξ)-((1S)-10,10-dimethyl-2,6-dimethylene-(1r,9t)-bicyclo[7.2.0]undec-5c-yl)-succinic acid-anhydride 在
sodium hydroxide 、 sodium tetrahydroborate 、
mercury(II) diacetate 作用下,
生成 3-oxo-9,12,12-trimethyl-2-oxatetracyclo<7,6,1,0
1,60
10,13>hexadecane-5-carboxylic acid