alkaline earth salt of/the/ methylsulfuric acid 在
lithium amide 、
氨 作用下,
生成
(+-)-7-methoxy-2c,8,10a-trimethyl-(4ar,10at)-1,4,4a,9,10,10a-hexahydro-2H-phenanthren-3-one 、 (+-)-7-methoxy-2c,8,10a-trimethyl-(4ar,10at)-1,4,4a,9,10,10a-hexahydro-2H-phenanthren-3-one