rac-(18Ξ)-3,3-ethanediyldioxy-11β,18-epoxy-14-hydroxy-18-((Ξ)-tetrahydropyran-2-yloxy)-14ξ-androst-5-en-16-one 在
aluminum oxide 、 palladium on activated charcoal 、 Lindlar's catalyst 、
乙醇 、
苯 作用下,
生成
(+/-)-3-Ethylendioxy-11β.18-epoxy-16-oxo-18-tetrahydropyranyloxy-androst-5-en