alkaline earth salt of/the/ methylsulfuric acid 、 alkaline earth salt of/the/ methylsulfuric acid 在
lithium aluminium tetrahydride 、
乙醚 作用下,
生成
(20,20-ethanediyldimercapto-A-nor-5α-pregnan-3ξ-yl)-methanol 、
20,20-ethanediyldimercapto-3ξH,5α-1(2=>3)-abeo-pregnan-2-ol