、 19-Hydroxy-1alpha-methyl-5-androstene-3,17-dione 、 、 、
3β,17β-Di(triphenylsiloxy)androst-5-en-19-ol 、 在
17β-hydroxy-1α,17α-dimethyl-5-androstene-3,19-dione 、 17β-hydroxy-4α,6,17α-trimethyl-5-androstene-3,19-dione 作用下,
以above results in the preparation of 17β-hydroxy-1α,17α-dimethyl-5-androstene-3,19-dione, 1α-methyl-5-androstene-3,17,19-trione, 17β-hydroxy-4α,6,17α-trimethyl-5-androstene-3,19-dione, 17β-(2'-tetrahydropyranyloxy)-5-androsten-19-one and 3β,17β-di(triphenylsiloxy)-5-androsten-19-one的产率得到1alpha-Methyl-5-androstene-3,17,19-trione