The present invention relates to a process for preparing 17α-acetoxy-6-methylenepregn-4-ene-3,20-dione (4) as an intermediate, and to processes for preparing medroxyprogesterone acetate (1) (17α-acetoxy-6α-methylpregn-4-ene-3,20-dione) and megestrol acetate (2) (17α-acetoxy-6-methylpregna-4,6-diene-3,20-dione) via this intermediate (4).
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