2,4b-Dimethyl-2-methallyl-7-ethylendioxy-1,2,3,4,4a,4b,5,6,7,8,10,10a-dodecahydro-phenanthrendion-(1,4) 在
乙醚 、
magnesium,ethynoxyethane,bromide 、
苯 作用下,
生成
1-Hydroxy-7-ethylendioxy-2,4b-dimethyl-2-methallyl-1-ethoxyethinyl-1,2,3,4,4a,4b,5,6,7,8,10,10a-dodecahydro-phenanthrenon-(4) 、 1-Hydroxy-7-ethylendioxy-2,4b-dimethyl-2-methallyl-1-ethoxyethinyl-1,2,3,4,4a,4b,5,6,7,8,10,10a-dodecahydro-phenanthrenon-(4)