C - Chemistry – Metallurgy – 07 – J
Patent
C - Chemistry, Metallurgy
07
J
260/21
C07J 21/00 (2006.01) C07J 1/00 (2006.01) C07J 19/00 (2006.01) C07J 53/00 (2006.01)
Patent
CA 1267888
Abstract 6,6-ethylene-15,16-methylene-3-oxo-17.alpha.-pregn-4- ene-21,17.alpha.-carbolactones of general Formula I Image (I) wherein Image is a CC-single of CC-double bond, R1 is a hydrogen atom or a methyl group, R2 is a methyl or ethyl group, and Image is Image or Image , exhibit strong gestagen potency and an aldo- sterone-antagonistic activity.
472508
Beier Sybille
Bittler Dieter
Elger Walter
Laurent Henry
Nickisch Klaus
Marks & Clerk
Schering Aktiengesellschaft
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