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Fremgangsmåde til fremstilling af 17-monocyclohexylcarbonater af 17-hydroxysteroider af androstaneller østranrækken, 3-monocyclohexylcarbonater af 3-hydroxysteroider af østranrækken eller 3,17-dicyclohexylcarbonater af 3,17-dihydroxysteroider af østranrækken.
Fremgangsmåde til fremstilling af 16-halogenmethylen-17α-hydroxy-20-keto-steroider af pregnan-, 19-norpregnan- eller iso-pregnanrækken eller 17α-estere deraf.