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C07J5/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom, i.e. only one oxygen bound to position 21 by a single bond
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07J—STEROIDS
C07J1/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07J—STEROIDS
C07J75/00—Processes for the preparation of steroids in general
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DK455661A1960-11-231961-11-15
Process for the preparation of Δ <1>, Δ <4> or Δ <1,4> steroids of the androstane or pregnane series.
DK114266B
(en)
Process for the preparation of 3-enol ethers of 6-methyl-3-oxo-Δ <4> -steroids of the androstane, 19-norandrostane, pregnane or 19-norpregane series.
Δ <4> -3-Oxo-6Β, 19-oxido-steroids of the androstane and pregnane series for use as intermediates in the preparation of the corresponding Δ <4> -3-oxo-19-nor steroids of the androstane and pregnane series.
Process for the preparation of 17α-acyloxy-16α-methyl-4-pregnene-3,20-dione derivatives or 17α-acyloxy-16α-methyl-4,6-pregnadiene-3,20-dione derivatives.